{"product_id":"edwards-est-ps8b-24-vdc-7-5a-fire-alarm-power-supply-for-irc-3-systems","title":"Edwards EST PS8B 24 VDC 7.5A Fire Alarm Power Supply for IRC-3 Systems","description":"\u003ch4 class=\"PDq2pG_selectionAnchorContainer\"\u003eDescription\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eThe Edwards EST PS8B is a 24 VDC fire alarm power supply designed for use with compatible EST IRC-3 and FCC systems. It provides up to 7.5 A of alarm current, integrated battery charging, ground-fault and low-battery supervision, and dedicated power for connected fire alarm equipment.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003ctable style=\"width: 80.9986%; height: 637px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 45.4556%; height: 19.5938px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.3294%; height: 19.5938px;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 45.4556%; height: 19.5938px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.3294%; height: 19.5938px;\"\u003eEdwards EST\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 45.4556%; height: 19.5938px;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.3294%; height: 19.5938px;\"\u003eFire Alarm System Components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 45.4556%; height: 19.5938px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.3294%; height: 19.5938px;\"\u003ePS8B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 45.4556%; height: 19.5938px;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.3294%; height: 19.5938px;\"\u003eFire Alarm Power Supplies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 45.4556%; height: 19.5938px;\"\u003e\u003cstrong\u003eCompatible System\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.3294%; height: 19.5938px;\"\u003eEST IRC-3 \/ FCC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 45.4556%; height: 19.5938px;\"\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.3294%; height: 19.5938px;\"\u003e120 VAC, 50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 45.4556%; height: 19.5938px;\"\u003e\u003cstrong\u003eMaximum Input Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.3294%; height: 19.5938px;\"\u003e2 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 45.4556%; height: 19.5938px;\"\u003e\u003cstrong\u003eAlarm Output Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.3294%; height: 19.5938px;\"\u003e7.5 A maximum at 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 45.4556%; height: 19.5938px;\"\u003e\u003cstrong\u003eSupervisory Output Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.3294%; height: 19.5938px;\"\u003e2.25 A maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 45.4556%; height: 19.5938px;\"\u003e\u003cstrong\u003eBattery Charger Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.3294%; height: 19.5938px;\"\u003e26.8 VDC maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 45.4556%; height: 19.5938px;\"\u003e\u003cstrong\u003eBattery Charger Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.3294%; height: 19.5938px;\"\u003e4.0 A maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 45.4556%; height: 19.5938px;\"\u003e\u003cstrong\u003eTrickle Charge Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.3294%; height: 19.5938px;\"\u003e10 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 45.4556%; height: 19.5938px;\"\u003e\u003cstrong\u003eMaximum Battery Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.3294%; height: 19.5938px;\"\u003e60 Ah\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 45.4556%; height: 19.5938px;\"\u003e\u003cstrong\u003eBattery Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.3294%; height: 19.5938px;\"\u003eSealed Gel Cell \/ Lead Acid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 45.4556%; height: 19.5938px;\"\u003e\u003cstrong\u003eLogic Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.3294%; height: 19.5938px;\"\u003e5 VDC, 1 A maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 45.4556%; height: 19.5938px;\"\u003e\u003cstrong\u003eGround Fault Detection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.3294%; height: 19.5938px;\"\u003e10 kΩ low sense \/ 47 kΩ high sense\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 45.4556%; height: 19.5938px;\"\u003e\u003cstrong\u003eBrownout Detection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.3294%; height: 19.5938px;\"\u003e96 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 45.4556%; height: 19.5938px;\"\u003e\u003cstrong\u003eLow Battery Detection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.3294%; height: 19.5938px;\"\u003e20.4 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 45.4556%; height: 19.5938px;\"\u003e\u003cstrong\u003eLow Battery Cutoff\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.3294%; height: 19.5938px;\"\u003e18.4 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 45.4556%; height: 19.5938px;\"\u003e\u003cstrong\u003eMaximum Ripple\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.3294%; height: 19.5938px;\"\u003e55 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 45.4556%; height: 19.5938px;\"\u003e\u003cstrong\u003eSmoke Detector Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.3294%; height: 19.5938px;\"\u003e24 VDC nominal @ 500 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 45.4556%; height: 19.5938px;\"\u003e\u003cstrong\u003eAlarm Relay Contact Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.3294%; height: 19.5938px;\"\u003e2 A @ 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 45.4556%; height: 19.5938px;\"\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.3294%; height: 19.5938px;\"\u003e1 standard module footprint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 45.4556%; height: 19.5938px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.3294%; height: 19.5938px;\"\u003e4 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About PS8B\u003c\/h4\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cmeta charset=\"utf-8\"\u003eThe PS8B is an Edwards EST power supply module intended for installation within compatible IRC-3 fire alarm system equipment. It accepts 120 VAC input and converts it to regulated 24 VDC power for system operation and connected notification or control equipment. The module includes a battery charger supporting sealed gel-cell or lead-acid batteries with capacities up to 60 Ah. Built-in monitoring functions include ground-fault detection, brownout detection, low-battery detection, and low-battery cutoff.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e24 VDC Power Supply: Provides regulated 24 VDC power for compatible Edwards EST fire alarm equipment.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e7.5 A Alarm Capacity: Supports up to 7.5 A of 24 VDC alarm current.\u003c\/li\u003e\n\u003cli\u003eIntegrated Battery Charger: Provides charging current up to 4.0 A for compatible backup batteries.\u003c\/li\u003e\n\u003cli\u003eLarge Battery Support: Accommodates sealed gel-cell or lead-acid batteries up to 60 Ah.\u003c\/li\u003e\n\u003cli\u003eGround-Fault Detection: Provides supervised ground-fault monitoring using selectable sensing thresholds.\u003c\/li\u003e\n\u003cli\u003eLow-Battery Protection: Detects low battery conditions and provides cutoff at approximately 18.4 VDC.\u003c\/li\u003e\n\u003cli\u003eSmoke Detector Output: Provides a nominal 24 VDC output rated at 500 mA for compatible smoke detector applications.\u003c\/li\u003e\n\u003cli\u003eCompact Installation: Occupies one standard module footprint within compatible fire alarm equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe PS8B delivers the reliability and precision required for fire alarm system power distribution, supervision, and backup-power management.\u003c\/p\u003e","brand":"Edwards EST","offers":[{"title":"Default Title","offer_id":52442509705514,"sku":"PS8B","price":2299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/s-l1600_1e6f7ce6-ba87-440a-aae0-5a301631c488.webp?v=1788196717","url":"https:\/\/iqelectro.com\/products\/edwards-est-ps8b-24-vdc-7-5a-fire-alarm-power-supply-for-irc-3-systems","provider":"IQElectro","version":"1.0","type":"link"}