{"title":"Automatic Transfer Switches","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eShop automatic transfer switches designed to maintain power continuity by switching connected equipment between primary and secondary power sources. Ideal for network devices, servers, and other critical equipment requiring dependable power redundancy.\u003c\/p\u003e","products":[{"product_id":"apc-netshelter-rack-ats-30a-120v-2u-rackmount-10ms-transfer-nmc3","title":"APC NetShelter Rack ATS — 30A 120V, 2U Rackmount, 10ms Transfer, NMC3","description":"\u003ch2\u003eAPC NetShelter Rack ATS AP4453A — 30A \/ 120V Automatic Transfer Switch\u003c\/h2\u003e\n\u003cp\u003eThe AP4453A is an APC NetShelter Rack Automatic Transfer Switch (ATS) — a key component in fault-tolerant power architectures. It accepts two independent power inputs (A and B feeds) and automatically transfers to the secondary input if the primary fails. Transfer time is under 10 milliseconds — fast enough to be invisible to virtually all connected equipment.\u003c\/p\u003e\n\n\u003ch3\u003eWhy a Rack ATS\u003c\/h3\u003e\n\u003cp\u003eMost servers, switches, and other rack equipment have a single power supply (single-corded loads). In a redundant power architecture with two UPS feeds (A+B), single-corded equipment can only connect to one feed — defeating the redundancy. A Rack ATS solves this: two upstream feeds in, one downstream feed to single-corded equipment, automatic transfer to whichever input is healthy.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e10ms Transfer Time:\u003c\/strong\u003e Fast enough to be transparent to connected equipment; well under the typical hold-up time of server power supplies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eField-Replaceable NMC3:\u003c\/strong\u003e Upgrade firmware or replace the network management card without taking the ATS offline.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Monitoring Port:\u003c\/strong\u003e Add APC temperature\/humidity sensors directly to the ATS for combined power and environmental monitoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDaisy-Chain Management:\u003c\/strong\u003e Up to 32 Rack ATSs on a single IP address — consolidated network management and reduced switch port consumption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure NMC3 Management:\u003c\/strong\u003e SNMP v3, web\/CLI, EcoStruxure IT — same management interface as APC PDUs and UPS units for unified operations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5th-Generation Reliability:\u003c\/strong\u003e Mature platform with industry-leading reliability metrics for rack-level redundancy.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Rating\u003c\/td\u003e\n\u003ctd\u003e30A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e120V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForm Factor\u003c\/td\u003e\n\u003ctd\u003e2U Rackmount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Outlets\u003c\/td\u003e\n\u003ctd\u003e16 5-20R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransfer Time\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 10ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork\u003c\/td\u003e\n\u003ctd\u003eNMC3 (field-replaceable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManagement\u003c\/td\u003e\n\u003ctd\u003eSNMP v3, Web\/CLI, EcoStruxure IT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDaisy-Chain\u003c\/td\u003e\n\u003ctd\u003eUp to 32 ATSs per IP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e2-year standard (5-year extended available)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eData Centers with Dual Power Feeds:\u003c\/strong\u003e Provide redundancy to single-corded servers in A+B power architectures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHealthcare Critical Systems:\u003c\/strong\u003e Redundant power for patient monitoring, EMR systems, and imaging control — critical loads where A+B redundancy is required for compliance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinancial Services Infrastructure:\u003c\/strong\u003e Trading systems, transaction processing, and banking transaction infrastructure where every transfer event must be transparent.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGovernment Mission Systems:\u003c\/strong\u003e Federal IT environments specifying N+1 power architectures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTelecom and Carrier Facilities:\u003c\/strong\u003e Dual-feed redundancy for single-corded edge equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDesigning a Redundant Power Architecture — Questyme Can Help\u003c\/h3\u003e\n\u003cp\u003eA+B power architecture involves more than the ATS itself: upstream UPS sizing, PDU configuration, breaker coordination, and integration with existing power monitoring. Questyme has scoped redundant power deployments for data centers, healthcare facilities, and government IT environments. \u003ca href=\"\/contact-us\/\"\u003eContact a Questyme power expert\u003c\/a\u003e to design your redundant power architecture.\u003c\/p\u003e","brand":"APC","offers":[{"title":"Default Title","offer_id":44388601888856,"sku":"AP4453A","price":2081.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/7845\/4872\/files\/AP4453A-A.jpg?v=1784202768"},{"product_id":"apc-netshelter-rack-ats-20a-120v-1u-rackmount-10ms-transfer-nmc3","title":"APC NetShelter Rack ATS — 20A 120V, 1U Rackmount, 10ms Transfer, NMC3","description":"\u003ch2\u003eAPC NetShelter Rack ATS AP4452A — 20A \/ 120V Automatic Transfer Switch\u003c\/h2\u003e\n\u003cp\u003eThe AP4452A is an APC NetShelter Rack Automatic Transfer Switch (ATS) — a key component in fault-tolerant power architectures. It accepts two independent power inputs (A and B feeds) and automatically transfers to the secondary input if the primary fails. Transfer time is under 10 milliseconds — fast enough to be invisible to virtually all connected equipment.\u003c\/p\u003e\n\n\u003ch3\u003eWhy a Rack ATS\u003c\/h3\u003e\n\u003cp\u003eMost servers, switches, and other rack equipment have a single power supply (single-corded loads). In a redundant power architecture with two UPS feeds (A+B), single-corded equipment can only connect to one feed — defeating the redundancy. A Rack ATS solves this: two upstream feeds in, one downstream feed to single-corded equipment, automatic transfer to whichever input is healthy.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e10ms Transfer Time:\u003c\/strong\u003e Fast enough to be transparent to connected equipment; well under the typical hold-up time of server power supplies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eField-Replaceable NMC3:\u003c\/strong\u003e Upgrade firmware or replace the network management card without taking the ATS offline.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Monitoring Port:\u003c\/strong\u003e Add APC temperature\/humidity sensors directly to the ATS for combined power and environmental monitoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDaisy-Chain Management:\u003c\/strong\u003e Up to 32 Rack ATSs on a single IP address — consolidated network management and reduced switch port consumption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure NMC3 Management:\u003c\/strong\u003e SNMP v3, web\/CLI, EcoStruxure IT — same management interface as APC PDUs and UPS units for unified operations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5th-Generation Reliability:\u003c\/strong\u003e Mature platform with industry-leading reliability metrics for rack-level redundancy.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Rating\u003c\/td\u003e\n\u003ctd\u003e20A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e120V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForm Factor\u003c\/td\u003e\n\u003ctd\u003e1U Rackmount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Outlets\u003c\/td\u003e\n\u003ctd\u003e10 5-20R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransfer Time\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 10ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork\u003c\/td\u003e\n\u003ctd\u003eNMC3 (field-replaceable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManagement\u003c\/td\u003e\n\u003ctd\u003eSNMP v3, Web\/CLI, EcoStruxure IT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDaisy-Chain\u003c\/td\u003e\n\u003ctd\u003eUp to 32 ATSs per IP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e2-year standard (5-year extended available)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eData Centers with Dual Power Feeds:\u003c\/strong\u003e Provide redundancy to single-corded servers in A+B power architectures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHealthcare Critical Systems:\u003c\/strong\u003e Redundant power for patient monitoring, EMR systems, and imaging control — critical loads where A+B redundancy is required for compliance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinancial Services Infrastructure:\u003c\/strong\u003e Trading systems, transaction processing, and banking transaction infrastructure where every transfer event must be transparent.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGovernment Mission Systems:\u003c\/strong\u003e Federal IT environments specifying N+1 power architectures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTelecom and Carrier Facilities:\u003c\/strong\u003e Dual-feed redundancy for single-corded edge equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDesigning a Redundant Power Architecture — Questyme Can Help\u003c\/h3\u003e\n\u003cp\u003eA+B power architecture involves more than the ATS itself: upstream UPS sizing, PDU configuration, breaker coordination, and integration with existing power monitoring. Questyme has scoped redundant power deployments for data centers, healthcare facilities, and government IT environments. \u003ca href=\"\/contact-us\/\"\u003eContact a Questyme power expert\u003c\/a\u003e to design your redundant power architecture.\u003c\/p\u003e","brand":"APC","offers":[{"title":"Default Title","offer_id":44388602151000,"sku":"AP4452A","price":1554.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/7845\/4872\/files\/AP4452A-A.jpg?v=1784202770"},{"product_id":"apc-netshelter-rack-ats-15a-120v-1u-rackmount-10ms-transfer-nmc3","title":"APC NetShelter Rack ATS — 15A 120V, 1U Rackmount, 10ms Transfer, NMC3","description":"\u003ch2\u003eAPC NetShelter Rack ATS AP4450A — 15A \/ 120V Automatic Transfer Switch\u003c\/h2\u003e\n\u003cp\u003eThe AP4450A is an APC NetShelter Rack Automatic Transfer Switch (ATS) — a key component in fault-tolerant power architectures. It accepts two independent power inputs (A and B feeds) and automatically transfers to the secondary input if the primary fails. Transfer time is under 10 milliseconds — fast enough to be invisible to virtually all connected equipment.\u003c\/p\u003e\n\n\u003ch3\u003eWhy a Rack ATS\u003c\/h3\u003e\n\u003cp\u003eMost servers, switches, and other rack equipment have a single power supply (single-corded loads). In a redundant power architecture with two UPS feeds (A+B), single-corded equipment can only connect to one feed — defeating the redundancy. A Rack ATS solves this: two upstream feeds in, one downstream feed to single-corded equipment, automatic transfer to whichever input is healthy.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e10ms Transfer Time:\u003c\/strong\u003e Fast enough to be transparent to connected equipment; well under the typical hold-up time of server power supplies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eField-Replaceable NMC3:\u003c\/strong\u003e Upgrade firmware or replace the network management card without taking the ATS offline.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Monitoring Port:\u003c\/strong\u003e Add APC temperature\/humidity sensors directly to the ATS for combined power and environmental monitoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDaisy-Chain Management:\u003c\/strong\u003e Up to 32 Rack ATSs on a single IP address — consolidated network management and reduced switch port consumption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure NMC3 Management:\u003c\/strong\u003e SNMP v3, web\/CLI, EcoStruxure IT — same management interface as APC PDUs and UPS units for unified operations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5th-Generation Reliability:\u003c\/strong\u003e Mature platform with industry-leading reliability metrics for rack-level redundancy.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Rating\u003c\/td\u003e\n\u003ctd\u003e15A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e120V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForm Factor\u003c\/td\u003e\n\u003ctd\u003e1U Rackmount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Outlets\u003c\/td\u003e\n\u003ctd\u003e10 5-15R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransfer Time\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 10ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork\u003c\/td\u003e\n\u003ctd\u003eNMC3 (field-replaceable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManagement\u003c\/td\u003e\n\u003ctd\u003eSNMP v3, Web\/CLI, EcoStruxure IT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDaisy-Chain\u003c\/td\u003e\n\u003ctd\u003eUp to 32 ATSs per IP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e2-year standard (5-year extended available)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eData Centers with Dual Power Feeds:\u003c\/strong\u003e Provide redundancy to single-corded servers in A+B power architectures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHealthcare Critical Systems:\u003c\/strong\u003e Redundant power for patient monitoring, EMR systems, and imaging control — critical loads where A+B redundancy is required for compliance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinancial Services Infrastructure:\u003c\/strong\u003e Trading systems, transaction processing, and banking transaction infrastructure where every transfer event must be transparent.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGovernment Mission Systems:\u003c\/strong\u003e Federal IT environments specifying N+1 power architectures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTelecom and Carrier Facilities:\u003c\/strong\u003e Dual-feed redundancy for single-corded edge equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDesigning a Redundant Power Architecture — Questyme Can Help\u003c\/h3\u003e\n\u003cp\u003eA+B power architecture involves more than the ATS itself: upstream UPS sizing, PDU configuration, breaker coordination, and integration with existing power monitoring. Questyme has scoped redundant power deployments for data centers, healthcare facilities, and government IT environments. \u003ca href=\"\/contact-us\/\"\u003eContact a Questyme power expert\u003c\/a\u003e to design your redundant power architecture.\u003c\/p\u003e","brand":"APC","offers":[{"title":"Default Title","offer_id":44388602183768,"sku":"AP4450A","price":1387.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/7845\/4872\/files\/AP4450A-A.jpg?v=1784202771"},{"product_id":"apc-netshelter-rack-ats-208v-1u-rackmount-10ms-transfer-nmc3","title":"APC NetShelter Rack ATS —  208V, 1U Rackmount, 10ms Transfer, NMC3","description":"\u003ch2\u003eAPC NetShelter Rack ATS AP4434A —  \/ 208V Automatic Transfer Switch\u003c\/h2\u003e\n\u003cp\u003eThe AP4434A is an APC NetShelter Rack Automatic Transfer Switch (ATS) — a key component in fault-tolerant power architectures. It accepts two independent power inputs (A and B feeds) and automatically transfers to the secondary input if the primary fails. Transfer time is under 10 milliseconds — fast enough to be invisible to virtually all connected equipment.\u003c\/p\u003e\n\n\u003ch3\u003eWhy a Rack ATS\u003c\/h3\u003e\n\u003cp\u003eMost servers, switches, and other rack equipment have a single power supply (single-corded loads). In a redundant power architecture with two UPS feeds (A+B), single-corded equipment can only connect to one feed — defeating the redundancy. A Rack ATS solves this: two upstream feeds in, one downstream feed to single-corded equipment, automatic transfer to whichever input is healthy.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e10ms Transfer Time:\u003c\/strong\u003e Fast enough to be transparent to connected equipment; well under the typical hold-up time of server power supplies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eField-Replaceable NMC3:\u003c\/strong\u003e Upgrade firmware or replace the network management card without taking the ATS offline.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Monitoring Port:\u003c\/strong\u003e Add APC temperature\/humidity sensors directly to the ATS for combined power and environmental monitoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDaisy-Chain Management:\u003c\/strong\u003e Up to 32 Rack ATSs on a single IP address — consolidated network management and reduced switch port consumption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure NMC3 Management:\u003c\/strong\u003e SNMP v3, web\/CLI, EcoStruxure IT — same management interface as APC PDUs and UPS units for unified operations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5th-Generation Reliability:\u003c\/strong\u003e Mature platform with industry-leading reliability metrics for rack-level redundancy.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Rating\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e208V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForm Factor\u003c\/td\u003e\n\u003ctd\u003e1U Rackmount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Outlets\u003c\/td\u003e\n\u003ctd\u003e2 C20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransfer Time\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 10ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork\u003c\/td\u003e\n\u003ctd\u003eNMC3 (field-replaceable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManagement\u003c\/td\u003e\n\u003ctd\u003eSNMP v3, Web\/CLI, EcoStruxure IT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDaisy-Chain\u003c\/td\u003e\n\u003ctd\u003eUp to 32 ATSs per IP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e2-year standard (5-year extended available)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eData Centers with Dual Power Feeds:\u003c\/strong\u003e Provide redundancy to single-corded servers in A+B power architectures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHealthcare Critical Systems:\u003c\/strong\u003e Redundant power for patient monitoring, EMR systems, and imaging control — critical loads where A+B redundancy is required for compliance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinancial Services Infrastructure:\u003c\/strong\u003e Trading systems, transaction processing, and banking transaction infrastructure where every transfer event must be transparent.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGovernment Mission Systems:\u003c\/strong\u003e Federal IT environments specifying N+1 power architectures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTelecom and Carrier Facilities:\u003c\/strong\u003e Dual-feed redundancy for single-corded edge equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDesigning a Redundant Power Architecture — Questyme Can Help\u003c\/h3\u003e\n\u003cp\u003eA+B power architecture involves more than the ATS itself: upstream UPS sizing, PDU configuration, breaker coordination, and integration with existing power monitoring. Questyme has scoped redundant power deployments for data centers, healthcare facilities, and government IT environments. \u003ca href=\"\/contact-us\/\"\u003eContact a Questyme power expert\u003c\/a\u003e to design your redundant power architecture.\u003c\/p\u003e","brand":"APC","offers":[{"title":"Default Title","offer_id":44388602216536,"sku":"AP4434A","price":1637.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/7845\/4872\/files\/AP4434A-A.jpg?v=1784202773"},{"product_id":"apc-netshelter-rack-ats-12a-208v-1u-rackmount-10ms-transfer-nmc3","title":"APC NetShelter Rack ATS — 12A 208V, 1U Rackmount, 10ms Transfer, NMC3","description":"\u003ch2\u003eAPC NetShelter Rack ATS AP4433A — 12A \/ 208V Automatic Transfer Switch\u003c\/h2\u003e\n\u003cp\u003eThe AP4433A is an APC NetShelter Rack Automatic Transfer Switch (ATS) — a key component in fault-tolerant power architectures. It accepts two independent power inputs (A and B feeds) and automatically transfers to the secondary input if the primary fails. Transfer time is under 10 milliseconds — fast enough to be invisible to virtually all connected equipment.\u003c\/p\u003e\n\n\u003ch3\u003eWhy a Rack ATS\u003c\/h3\u003e\n\u003cp\u003eMost servers, switches, and other rack equipment have a single power supply (single-corded loads). In a redundant power architecture with two UPS feeds (A+B), single-corded equipment can only connect to one feed — defeating the redundancy. A Rack ATS solves this: two upstream feeds in, one downstream feed to single-corded equipment, automatic transfer to whichever input is healthy.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e10ms Transfer Time:\u003c\/strong\u003e Fast enough to be transparent to connected equipment; well under the typical hold-up time of server power supplies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eField-Replaceable NMC3:\u003c\/strong\u003e Upgrade firmware or replace the network management card without taking the ATS offline.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Monitoring Port:\u003c\/strong\u003e Add APC temperature\/humidity sensors directly to the ATS for combined power and environmental monitoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDaisy-Chain Management:\u003c\/strong\u003e Up to 32 Rack ATSs on a single IP address — consolidated network management and reduced switch port consumption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure NMC3 Management:\u003c\/strong\u003e SNMP v3, web\/CLI, EcoStruxure IT — same management interface as APC PDUs and UPS units for unified operations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5th-Generation Reliability:\u003c\/strong\u003e Mature platform with industry-leading reliability metrics for rack-level redundancy.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Rating\u003c\/td\u003e\n\u003ctd\u003e12A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e208V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForm Factor\u003c\/td\u003e\n\u003ctd\u003e1U Rackmount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Outlets\u003c\/td\u003e\n\u003ctd\u003e12 C13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransfer Time\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 10ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork\u003c\/td\u003e\n\u003ctd\u003eNMC3 (field-replaceable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManagement\u003c\/td\u003e\n\u003ctd\u003eSNMP v3, Web\/CLI, EcoStruxure IT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDaisy-Chain\u003c\/td\u003e\n\u003ctd\u003eUp to 32 ATSs per IP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e2-year standard (5-year extended available)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eData Centers with Dual Power Feeds:\u003c\/strong\u003e Provide redundancy to single-corded servers in A+B power architectures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHealthcare Critical Systems:\u003c\/strong\u003e Redundant power for patient monitoring, EMR systems, and imaging control — critical loads where A+B redundancy is required for compliance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinancial Services Infrastructure:\u003c\/strong\u003e Trading systems, transaction processing, and banking transaction infrastructure where every transfer event must be transparent.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGovernment Mission Systems:\u003c\/strong\u003e Federal IT environments specifying N+1 power architectures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTelecom and Carrier Facilities:\u003c\/strong\u003e Dual-feed redundancy for single-corded edge equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDesigning a Redundant Power Architecture — Questyme Can Help\u003c\/h3\u003e\n\u003cp\u003eA+B power architecture involves more than the ATS itself: upstream UPS sizing, PDU configuration, breaker coordination, and integration with existing power monitoring. Questyme has scoped redundant power deployments for data centers, healthcare facilities, and government IT environments. \u003ca href=\"\/contact-us\/\"\u003eContact a Questyme power expert\u003c\/a\u003e to design your redundant power architecture.\u003c\/p\u003e","brand":"APC","offers":[{"title":"Default Title","offer_id":44388602249304,"sku":"AP4433A","price":1581.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/7845\/4872\/files\/AP4433A-A.jpg?v=1784202774"},{"product_id":"apc-netshelter-rack-ats-30a-208v-2u-rackmount-10ms-transfer-nmc3-2","title":"APC NetShelter Rack ATS — 30A 208V, 2U Rackmount, 10ms Transfer, NMC3","description":"\u003ch2\u003eAPC NetShelter Rack ATS AP4432A — 30A \/ 208V Automatic Transfer Switch\u003c\/h2\u003e\n\u003cp\u003eThe AP4432A is an APC NetShelter Rack Automatic Transfer Switch (ATS) — a key component in fault-tolerant power architectures. It accepts two independent power inputs (A and B feeds) and automatically transfers to the secondary input if the primary fails. Transfer time is under 10 milliseconds — fast enough to be invisible to virtually all connected equipment.\u003c\/p\u003e\n\n\u003ch3\u003eWhy a Rack ATS\u003c\/h3\u003e\n\u003cp\u003eMost servers, switches, and other rack equipment have a single power supply (single-corded loads). In a redundant power architecture with two UPS feeds (A+B), single-corded equipment can only connect to one feed — defeating the redundancy. A Rack ATS solves this: two upstream feeds in, one downstream feed to single-corded equipment, automatic transfer to whichever input is healthy.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e10ms Transfer Time:\u003c\/strong\u003e Fast enough to be transparent to connected equipment; well under the typical hold-up time of server power supplies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eField-Replaceable NMC3:\u003c\/strong\u003e Upgrade firmware or replace the network management card without taking the ATS offline.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Monitoring Port:\u003c\/strong\u003e Add APC temperature\/humidity sensors directly to the ATS for combined power and environmental monitoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDaisy-Chain Management:\u003c\/strong\u003e Up to 32 Rack ATSs on a single IP address — consolidated network management and reduced switch port consumption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure NMC3 Management:\u003c\/strong\u003e SNMP v3, web\/CLI, EcoStruxure IT — same management interface as APC PDUs and UPS units for unified operations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5th-Generation Reliability:\u003c\/strong\u003e Mature platform with industry-leading reliability metrics for rack-level redundancy.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Rating\u003c\/td\u003e\n\u003ctd\u003e30A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e208V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForm Factor\u003c\/td\u003e\n\u003ctd\u003e2U Rackmount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Outlets\u003c\/td\u003e\n\u003ctd\u003e16 C13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransfer Time\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 10ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork\u003c\/td\u003e\n\u003ctd\u003eNMC3 (field-replaceable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManagement\u003c\/td\u003e\n\u003ctd\u003eSNMP v3, Web\/CLI, EcoStruxure IT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDaisy-Chain\u003c\/td\u003e\n\u003ctd\u003eUp to 32 ATSs per IP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e2-year standard (5-year extended available)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eData Centers with Dual Power Feeds:\u003c\/strong\u003e Provide redundancy to single-corded servers in A+B power architectures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHealthcare Critical Systems:\u003c\/strong\u003e Redundant power for patient monitoring, EMR systems, and imaging control — critical loads where A+B redundancy is required for compliance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinancial Services Infrastructure:\u003c\/strong\u003e Trading systems, transaction processing, and banking transaction infrastructure where every transfer event must be transparent.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGovernment Mission Systems:\u003c\/strong\u003e Federal IT environments specifying N+1 power architectures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTelecom and Carrier Facilities:\u003c\/strong\u003e Dual-feed redundancy for single-corded edge equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDesigning a Redundant Power Architecture — Questyme Can Help\u003c\/h3\u003e\n\u003cp\u003eA+B power architecture involves more than the ATS itself: upstream UPS sizing, PDU configuration, breaker coordination, and integration with existing power monitoring. Questyme has scoped redundant power deployments for data centers, healthcare facilities, and government IT environments. \u003ca href=\"\/contact-us\/\"\u003eContact a Questyme power expert\u003c\/a\u003e to design your redundant power architecture.\u003c\/p\u003e","brand":"APC","offers":[{"title":"Default Title","offer_id":44388602282072,"sku":"AP4432A","price":2081.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/7845\/4872\/files\/AP4432A-A.jpg?v=1784202776"},{"product_id":"apc-netshelter-rack-ats-30a-208v-2u-rackmount-10ms-transfer-nmc3","title":"APC NetShelter Rack ATS — 30A 208V, 2U Rackmount, 10ms Transfer, NMC3","description":"\u003ch2\u003eAPC NetShelter Rack ATS AP4431A — 30A \/ 208V Automatic Transfer Switch\u003c\/h2\u003e\n\u003cp\u003eThe AP4431A is an APC NetShelter Rack Automatic Transfer Switch (ATS) — a key component in fault-tolerant power architectures. It accepts two independent power inputs (A and B feeds) and automatically transfers to the secondary input if the primary fails. Transfer time is under 10 milliseconds — fast enough to be invisible to virtually all connected equipment.\u003c\/p\u003e\n\n\u003ch3\u003eWhy a Rack ATS\u003c\/h3\u003e\n\u003cp\u003eMost servers, switches, and other rack equipment have a single power supply (single-corded loads). In a redundant power architecture with two UPS feeds (A+B), single-corded equipment can only connect to one feed — defeating the redundancy. A Rack ATS solves this: two upstream feeds in, one downstream feed to single-corded equipment, automatic transfer to whichever input is healthy.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e10ms Transfer Time:\u003c\/strong\u003e Fast enough to be transparent to connected equipment; well under the typical hold-up time of server power supplies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eField-Replaceable NMC3:\u003c\/strong\u003e Upgrade firmware or replace the network management card without taking the ATS offline.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Monitoring Port:\u003c\/strong\u003e Add APC temperature\/humidity sensors directly to the ATS for combined power and environmental monitoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDaisy-Chain Management:\u003c\/strong\u003e Up to 32 Rack ATSs on a single IP address — consolidated network management and reduced switch port consumption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure NMC3 Management:\u003c\/strong\u003e SNMP v3, web\/CLI, EcoStruxure IT — same management interface as APC PDUs and UPS units for unified operations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5th-Generation Reliability:\u003c\/strong\u003e Mature platform with industry-leading reliability metrics for rack-level redundancy.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Rating\u003c\/td\u003e\n\u003ctd\u003e30A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e208V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForm Factor\u003c\/td\u003e\n\u003ctd\u003e2U Rackmount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Outlets\u003c\/td\u003e\n\u003ctd\u003e1 L6-30R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransfer Time\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 10ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork\u003c\/td\u003e\n\u003ctd\u003eNMC3 (field-replaceable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManagement\u003c\/td\u003e\n\u003ctd\u003eSNMP v3, Web\/CLI, EcoStruxure IT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDaisy-Chain\u003c\/td\u003e\n\u003ctd\u003eUp to 32 ATSs per IP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e2-year standard (5-year extended available)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eData Centers with Dual Power Feeds:\u003c\/strong\u003e Provide redundancy to single-corded servers in A+B power architectures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHealthcare Critical Systems:\u003c\/strong\u003e Redundant power for patient monitoring, EMR systems, and imaging control — critical loads where A+B redundancy is required for compliance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinancial Services Infrastructure:\u003c\/strong\u003e Trading systems, transaction processing, and banking transaction infrastructure where every transfer event must be transparent.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGovernment Mission Systems:\u003c\/strong\u003e Federal IT environments specifying N+1 power architectures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTelecom and Carrier Facilities:\u003c\/strong\u003e Dual-feed redundancy for single-corded edge equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDesigning a Redundant Power Architecture — Questyme Can Help\u003c\/h3\u003e\n\u003cp\u003eA+B power architecture involves more than the ATS itself: upstream UPS sizing, PDU configuration, breaker coordination, and integration with existing power monitoring. Questyme has scoped redundant power deployments for data centers, healthcare facilities, and government IT environments. \u003ca href=\"\/contact-us\/\"\u003eContact a Questyme power expert\u003c\/a\u003e to design your redundant power architecture.\u003c\/p\u003e","brand":"APC","offers":[{"title":"Default Title","offer_id":44388602314840,"sku":"AP4431A","price":1998.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/7845\/4872\/files\/AP4431A-A.jpg?v=1784202777"},{"product_id":"apc-netshelter-rack-ats-20a-208v-1u-rackmount-10ms-transfer-nmc3","title":"APC NetShelter Rack ATS — 20A 208V, 1U Rackmount, 10ms Transfer, NMC3","description":"\u003ch2\u003eAPC NetShelter Rack ATS AP4430A — 20A \/ 208V Automatic Transfer Switch\u003c\/h2\u003e\n\u003cp\u003eThe AP4430A is an APC NetShelter Rack Automatic Transfer Switch (ATS) — a key component in fault-tolerant power architectures. It accepts two independent power inputs (A and B feeds) and automatically transfers to the secondary input if the primary fails. Transfer time is under 10 milliseconds — fast enough to be invisible to virtually all connected equipment.\u003c\/p\u003e\n\n\u003ch3\u003eWhy a Rack ATS\u003c\/h3\u003e\n\u003cp\u003eMost servers, switches, and other rack equipment have a single power supply (single-corded loads). In a redundant power architecture with two UPS feeds (A+B), single-corded equipment can only connect to one feed — defeating the redundancy. A Rack ATS solves this: two upstream feeds in, one downstream feed to single-corded equipment, automatic transfer to whichever input is healthy.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e10ms Transfer Time:\u003c\/strong\u003e Fast enough to be transparent to connected equipment; well under the typical hold-up time of server power supplies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eField-Replaceable NMC3:\u003c\/strong\u003e Upgrade firmware or replace the network management card without taking the ATS offline.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Monitoring Port:\u003c\/strong\u003e Add APC temperature\/humidity sensors directly to the ATS for combined power and environmental monitoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDaisy-Chain Management:\u003c\/strong\u003e Up to 32 Rack ATSs on a single IP address — consolidated network management and reduced switch port consumption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure NMC3 Management:\u003c\/strong\u003e SNMP v3, web\/CLI, EcoStruxure IT — same management interface as APC PDUs and UPS units for unified operations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5th-Generation Reliability:\u003c\/strong\u003e Mature platform with industry-leading reliability metrics for rack-level redundancy.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Rating\u003c\/td\u003e\n\u003ctd\u003e20A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e208V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForm Factor\u003c\/td\u003e\n\u003ctd\u003e1U Rackmount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Outlets\u003c\/td\u003e\n\u003ctd\u003e8 C13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransfer Time\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 10ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork\u003c\/td\u003e\n\u003ctd\u003eNMC3 (field-replaceable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManagement\u003c\/td\u003e\n\u003ctd\u003eSNMP v3, Web\/CLI, EcoStruxure IT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDaisy-Chain\u003c\/td\u003e\n\u003ctd\u003eUp to 32 ATSs per IP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e2-year standard (5-year extended available)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eData Centers with Dual Power Feeds:\u003c\/strong\u003e Provide redundancy to single-corded servers in A+B power architectures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHealthcare Critical Systems:\u003c\/strong\u003e Redundant power for patient monitoring, EMR systems, and imaging control — critical loads where A+B redundancy is required for compliance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinancial Services Infrastructure:\u003c\/strong\u003e Trading systems, transaction processing, and banking transaction infrastructure where every transfer event must be transparent.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGovernment Mission Systems:\u003c\/strong\u003e Federal IT environments specifying N+1 power architectures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTelecom and Carrier Facilities:\u003c\/strong\u003e Dual-feed redundancy for single-corded edge equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDesigning a Redundant Power Architecture — Questyme Can Help\u003c\/h3\u003e\n\u003cp\u003eA+B power architecture involves more than the ATS itself: upstream UPS sizing, PDU configuration, breaker coordination, and integration with existing power monitoring. Questyme has scoped redundant power deployments for data centers, healthcare facilities, and government IT environments. \u003ca href=\"\/contact-us\/\"\u003eContact a Questyme power expert\u003c\/a\u003e to design your redundant power architecture.\u003c\/p\u003e","brand":"APC","offers":[{"title":"Default Title","offer_id":44388602347608,"sku":"AP4430A","price":1637.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/7845\/4872\/files\/AP4430A-A.jpg?v=1784202778"},{"product_id":"apc-netshelter-rack-ats-32a-230v-2u-rackmount-10ms-transfer-nmc3","title":"APC NetShelter Rack ATS — 32A 230V, 2U Rackmount, 10ms Transfer, NMC3","description":"\u003ch2\u003eAPC NetShelter Rack ATS AP4424A — 32A \/ 230V Automatic Transfer Switch\u003c\/h2\u003e\n\u003cp\u003eThe AP4424A is an APC NetShelter Rack Automatic Transfer Switch (ATS) — a key component in fault-tolerant power architectures. It accepts two independent power inputs (A and B feeds) and automatically transfers to the secondary input if the primary fails. Transfer time is under 10 milliseconds — fast enough to be invisible to virtually all connected equipment.\u003c\/p\u003e\n\n\u003ch3\u003eWhy a Rack ATS\u003c\/h3\u003e\n\u003cp\u003eMost servers, switches, and other rack equipment have a single power supply (single-corded loads). In a redundant power architecture with two UPS feeds (A+B), single-corded equipment can only connect to one feed — defeating the redundancy. A Rack ATS solves this: two upstream feeds in, one downstream feed to single-corded equipment, automatic transfer to whichever input is healthy.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e10ms Transfer Time:\u003c\/strong\u003e Fast enough to be transparent to connected equipment; well under the typical hold-up time of server power supplies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eField-Replaceable NMC3:\u003c\/strong\u003e Upgrade firmware or replace the network management card without taking the ATS offline.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Monitoring Port:\u003c\/strong\u003e Add APC temperature\/humidity sensors directly to the ATS for combined power and environmental monitoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDaisy-Chain Management:\u003c\/strong\u003e Up to 32 Rack ATSs on a single IP address — consolidated network management and reduced switch port consumption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure NMC3 Management:\u003c\/strong\u003e SNMP v3, web\/CLI, EcoStruxure IT — same management interface as APC PDUs and UPS units for unified operations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5th-Generation Reliability:\u003c\/strong\u003e Mature platform with industry-leading reliability metrics for rack-level redundancy.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Rating\u003c\/td\u003e\n\u003ctd\u003e32A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e230V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForm Factor\u003c\/td\u003e\n\u003ctd\u003e2U Rackmount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Outlets\u003c\/td\u003e\n\u003ctd\u003e16 C13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransfer Time\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 10ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork\u003c\/td\u003e\n\u003ctd\u003eNMC3 (field-replaceable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManagement\u003c\/td\u003e\n\u003ctd\u003eSNMP v3, Web\/CLI, EcoStruxure IT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDaisy-Chain\u003c\/td\u003e\n\u003ctd\u003eUp to 32 ATSs per IP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e2-year standard (5-year extended available)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eData Centers with Dual Power Feeds:\u003c\/strong\u003e Provide redundancy to single-corded servers in A+B power architectures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHealthcare Critical Systems:\u003c\/strong\u003e Redundant power for patient monitoring, EMR systems, and imaging control — critical loads where A+B redundancy is required for compliance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinancial Services Infrastructure:\u003c\/strong\u003e Trading systems, transaction processing, and banking transaction infrastructure where every transfer event must be transparent.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGovernment Mission Systems:\u003c\/strong\u003e Federal IT environments specifying N+1 power architectures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTelecom and Carrier Facilities:\u003c\/strong\u003e Dual-feed redundancy for single-corded edge equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDesigning a Redundant Power Architecture — Questyme Can Help\u003c\/h3\u003e\n\u003cp\u003eA+B power architecture involves more than the ATS itself: upstream UPS sizing, PDU configuration, breaker coordination, and integration with existing power monitoring. Questyme has scoped redundant power deployments for data centers, healthcare facilities, and government IT environments. \u003ca href=\"\/contact-us\/\"\u003eContact a Questyme power expert\u003c\/a\u003e to design your redundant power architecture.\u003c\/p\u003e","brand":"APC","offers":[{"title":"Default Title","offer_id":44388602380376,"sku":"AP4424A","price":2081.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/7845\/4872\/files\/AP4424A-A.jpg?v=1784202779"},{"product_id":"apc-netshelter-rack-ats-16a-230v-1u-rackmount-10ms-transfer-nmc3-2","title":"APC NetShelter Rack ATS — 16A 230V, 1U Rackmount, 10ms Transfer, NMC3","description":"\u003ch2\u003eAPC NetShelter Rack ATS AP4423A — 16A \/ 230V Automatic Transfer Switch\u003c\/h2\u003e\n\u003cp\u003eThe AP4423A is an APC NetShelter Rack Automatic Transfer Switch (ATS) — a key component in fault-tolerant power architectures. It accepts two independent power inputs (A and B feeds) and automatically transfers to the secondary input if the primary fails. Transfer time is under 10 milliseconds — fast enough to be invisible to virtually all connected equipment.\u003c\/p\u003e\n\n\u003ch3\u003eWhy a Rack ATS\u003c\/h3\u003e\n\u003cp\u003eMost servers, switches, and other rack equipment have a single power supply (single-corded loads). In a redundant power architecture with two UPS feeds (A+B), single-corded equipment can only connect to one feed — defeating the redundancy. A Rack ATS solves this: two upstream feeds in, one downstream feed to single-corded equipment, automatic transfer to whichever input is healthy.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e10ms Transfer Time:\u003c\/strong\u003e Fast enough to be transparent to connected equipment; well under the typical hold-up time of server power supplies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eField-Replaceable NMC3:\u003c\/strong\u003e Upgrade firmware or replace the network management card without taking the ATS offline.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Monitoring Port:\u003c\/strong\u003e Add APC temperature\/humidity sensors directly to the ATS for combined power and environmental monitoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDaisy-Chain Management:\u003c\/strong\u003e Up to 32 Rack ATSs on a single IP address — consolidated network management and reduced switch port consumption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure NMC3 Management:\u003c\/strong\u003e SNMP v3, web\/CLI, EcoStruxure IT — same management interface as APC PDUs and UPS units for unified operations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5th-Generation Reliability:\u003c\/strong\u003e Mature platform with industry-leading reliability metrics for rack-level redundancy.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Rating\u003c\/td\u003e\n\u003ctd\u003e16A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e230V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForm Factor\u003c\/td\u003e\n\u003ctd\u003e1U Rackmount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Outlets\u003c\/td\u003e\n\u003ctd\u003e2 C20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransfer Time\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 10ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork\u003c\/td\u003e\n\u003ctd\u003eNMC3 (field-replaceable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManagement\u003c\/td\u003e\n\u003ctd\u003eSNMP v3, Web\/CLI, EcoStruxure IT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDaisy-Chain\u003c\/td\u003e\n\u003ctd\u003eUp to 32 ATSs per IP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e2-year standard (5-year extended available)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eData Centers with Dual Power Feeds:\u003c\/strong\u003e Provide redundancy to single-corded servers in A+B power architectures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHealthcare Critical Systems:\u003c\/strong\u003e Redundant power for patient monitoring, EMR systems, and imaging control — critical loads where A+B redundancy is required for compliance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinancial Services Infrastructure:\u003c\/strong\u003e Trading systems, transaction processing, and banking transaction infrastructure where every transfer event must be transparent.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGovernment Mission Systems:\u003c\/strong\u003e Federal IT environments specifying N+1 power architectures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTelecom and Carrier Facilities:\u003c\/strong\u003e Dual-feed redundancy for single-corded edge equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDesigning a Redundant Power Architecture — Questyme Can Help\u003c\/h3\u003e\n\u003cp\u003eA+B power architecture involves more than the ATS itself: upstream UPS sizing, PDU configuration, breaker coordination, and integration with existing power monitoring. Questyme has scoped redundant power deployments for data centers, healthcare facilities, and government IT environments. \u003ca href=\"\/contact-us\/\"\u003eContact a Questyme power expert\u003c\/a\u003e to design your redundant power architecture.\u003c\/p\u003e","brand":"APC","offers":[{"title":"Default Title","offer_id":44388602445912,"sku":"AP4423A","price":1637.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/7845\/4872\/files\/AP4423A-A.jpg?v=1784202781"},{"product_id":"apc-netshelter-rack-ats-16a-230v-1u-rackmount-10ms-transfer-nmc3","title":"APC NetShelter Rack ATS — 16A 230V, 1U Rackmount, 10ms Transfer, NMC3","description":"\u003ch2\u003eAPC NetShelter Rack ATS AP4422A — 16A \/ 230V Automatic Transfer Switch\u003c\/h2\u003e\n\u003cp\u003eThe AP4422A is an APC NetShelter Rack Automatic Transfer Switch (ATS) — a key component in fault-tolerant power architectures. It accepts two independent power inputs (A and B feeds) and automatically transfers to the secondary input if the primary fails. Transfer time is under 10 milliseconds — fast enough to be invisible to virtually all connected equipment.\u003c\/p\u003e\n\n\u003ch3\u003eWhy a Rack ATS\u003c\/h3\u003e\n\u003cp\u003eMost servers, switches, and other rack equipment have a single power supply (single-corded loads). In a redundant power architecture with two UPS feeds (A+B), single-corded equipment can only connect to one feed — defeating the redundancy. A Rack ATS solves this: two upstream feeds in, one downstream feed to single-corded equipment, automatic transfer to whichever input is healthy.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e10ms Transfer Time:\u003c\/strong\u003e Fast enough to be transparent to connected equipment; well under the typical hold-up time of server power supplies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eField-Replaceable NMC3:\u003c\/strong\u003e Upgrade firmware or replace the network management card without taking the ATS offline.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Monitoring Port:\u003c\/strong\u003e Add APC temperature\/humidity sensors directly to the ATS for combined power and environmental monitoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDaisy-Chain Management:\u003c\/strong\u003e Up to 32 Rack ATSs on a single IP address — consolidated network management and reduced switch port consumption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure NMC3 Management:\u003c\/strong\u003e SNMP v3, web\/CLI, EcoStruxure IT — same management interface as APC PDUs and UPS units for unified operations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5th-Generation Reliability:\u003c\/strong\u003e Mature platform with industry-leading reliability metrics for rack-level redundancy.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Rating\u003c\/td\u003e\n\u003ctd\u003e16A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e230V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForm Factor\u003c\/td\u003e\n\u003ctd\u003e1U Rackmount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Outlets\u003c\/td\u003e\n\u003ctd\u003emultiple outlets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransfer Time\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 10ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork\u003c\/td\u003e\n\u003ctd\u003eNMC3 (field-replaceable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManagement\u003c\/td\u003e\n\u003ctd\u003eSNMP v3, Web\/CLI, EcoStruxure IT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDaisy-Chain\u003c\/td\u003e\n\u003ctd\u003eUp to 32 ATSs per IP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e2-year standard (5-year extended available)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eData Centers with Dual Power Feeds:\u003c\/strong\u003e Provide redundancy to single-corded servers in A+B power architectures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHealthcare Critical Systems:\u003c\/strong\u003e Redundant power for patient monitoring, EMR systems, and imaging control — critical loads where A+B redundancy is required for compliance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinancial Services Infrastructure:\u003c\/strong\u003e Trading systems, transaction processing, and banking transaction infrastructure where every transfer event must be transparent.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGovernment Mission Systems:\u003c\/strong\u003e Federal IT environments specifying N+1 power architectures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTelecom and Carrier Facilities:\u003c\/strong\u003e Dual-feed redundancy for single-corded edge equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDesigning a Redundant Power Architecture — Questyme Can Help\u003c\/h3\u003e\n\u003cp\u003eA+B power architecture involves more than the ATS itself: upstream UPS sizing, PDU configuration, breaker coordination, and integration with existing power monitoring. Questyme has scoped redundant power deployments for data centers, healthcare facilities, and government IT environments. \u003ca href=\"\/contact-us\/\"\u003eContact a Questyme power expert\u003c\/a\u003e to design your redundant power architecture.\u003c\/p\u003e","brand":"APC","offers":[{"title":"Default Title","offer_id":44388602511448,"sku":"AP4422A","price":1637.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/7845\/4872\/files\/AP4422A-A.jpg?v=1784202782"},{"product_id":"apc-netshelter-rack-ats-10a-230v-1u-rackmount-10ms-transfer-nmc3","title":"APC NetShelter Rack ATS — 10A 230V, 1U Rackmount, 10ms Transfer, NMC3","description":"\u003ch2\u003eAPC NetShelter Rack ATS AP4421A — 10A \/ 230V Automatic Transfer Switch\u003c\/h2\u003e\n\u003cp\u003eThe AP4421A is an APC NetShelter Rack Automatic Transfer Switch (ATS) — a key component in fault-tolerant power architectures. It accepts two independent power inputs (A and B feeds) and automatically transfers to the secondary input if the primary fails. Transfer time is under 10 milliseconds — fast enough to be invisible to virtually all connected equipment.\u003c\/p\u003e\n\n\u003ch3\u003eWhy a Rack ATS\u003c\/h3\u003e\n\u003cp\u003eMost servers, switches, and other rack equipment have a single power supply (single-corded loads). In a redundant power architecture with two UPS feeds (A+B), single-corded equipment can only connect to one feed — defeating the redundancy. A Rack ATS solves this: two upstream feeds in, one downstream feed to single-corded equipment, automatic transfer to whichever input is healthy.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e10ms Transfer Time:\u003c\/strong\u003e Fast enough to be transparent to connected equipment; well under the typical hold-up time of server power supplies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eField-Replaceable NMC3:\u003c\/strong\u003e Upgrade firmware or replace the network management card without taking the ATS offline.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Monitoring Port:\u003c\/strong\u003e Add APC temperature\/humidity sensors directly to the ATS for combined power and environmental monitoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDaisy-Chain Management:\u003c\/strong\u003e Up to 32 Rack ATSs on a single IP address — consolidated network management and reduced switch port consumption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure NMC3 Management:\u003c\/strong\u003e SNMP v3, web\/CLI, EcoStruxure IT — same management interface as APC PDUs and UPS units for unified operations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5th-Generation Reliability:\u003c\/strong\u003e Mature platform with industry-leading reliability metrics for rack-level redundancy.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Rating\u003c\/td\u003e\n\u003ctd\u003e10A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e230V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForm Factor\u003c\/td\u003e\n\u003ctd\u003e1U Rackmount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Outlets\u003c\/td\u003e\n\u003ctd\u003e12 C13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransfer Time\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 10ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork\u003c\/td\u003e\n\u003ctd\u003eNMC3 (field-replaceable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManagement\u003c\/td\u003e\n\u003ctd\u003eSNMP v3, Web\/CLI, EcoStruxure IT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDaisy-Chain\u003c\/td\u003e\n\u003ctd\u003eUp to 32 ATSs per IP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e2-year standard (5-year extended available)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eData Centers with Dual Power Feeds:\u003c\/strong\u003e Provide redundancy to single-corded servers in A+B power architectures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHealthcare Critical Systems:\u003c\/strong\u003e Redundant power for patient monitoring, EMR systems, and imaging control — critical loads where A+B redundancy is required for compliance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinancial Services Infrastructure:\u003c\/strong\u003e Trading systems, transaction processing, and banking transaction infrastructure where every transfer event must be transparent.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGovernment Mission Systems:\u003c\/strong\u003e Federal IT environments specifying N+1 power architectures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTelecom and Carrier Facilities:\u003c\/strong\u003e Dual-feed redundancy for single-corded edge equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDesigning a Redundant Power Architecture — Questyme Can Help\u003c\/h3\u003e\n\u003cp\u003eA+B power architecture involves more than the ATS itself: upstream UPS sizing, PDU configuration, breaker coordination, and integration with existing power monitoring. Questyme has scoped redundant power deployments for data centers, healthcare facilities, and government IT environments. \u003ca href=\"\/contact-us\/\"\u003eContact a Questyme power expert\u003c\/a\u003e to design your redundant power architecture.\u003c\/p\u003e","brand":"APC","offers":[{"title":"Default Title","offer_id":44388602544216,"sku":"AP4421A","price":1581.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/7845\/4872\/files\/AP4421A-A.jpg?v=1784202783"}],"url":"https:\/\/questyme.com\/collections\/automatic-transfer-switches.oembed","provider":"Questyme","version":"1.0","type":"link"}