{"product_id":"simplex-637-162-power-supply-pc-board-for-legacy-fire-alarm-control-systems","title":"Simplex 637-162 Power Supply PC Board for Legacy Fire Alarm Control Systems","description":"\u003ch4 class=\"PDq2pG_selectionAnchorContainer\"\u003eDescription\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp dir=\"auto\" data-start=\"16\" data-end=\"396\"\u003e\u003cmeta charset=\"UTF-8\"\u003eThe Simplex 637-162 is a power supply printed circuit board designed for use within compatible Simplex fire alarm control equipment. Simplex part number 637-162 provides internal power conversion and distribution functions required to support the panel electronics and associated fire alarm system circuitry.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSimplex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFire Alarm \u0026amp; Life Safety\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e637-162\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFire Alarm Power Supply Boards\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePower Supply Printed Circuit Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eComponent Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOEM PCB Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePrimary Function\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInternal Power Supply and Distribution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFire Alarm Control Equipment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation Location\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInside Compatible Fire Alarm Control Panel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInternal Board-Level Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eElectrical Function\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePower Conversion, Regulation, and Distribution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplacement Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDirect Board-Level Service Component When Matched to Existing Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSystem Generation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLegacy Simplex Fire Alarm Equipment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility Requirement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVerify Host Panel, Revision, Connectors, and Existing 637-162 Board Before Installation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer Status\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLegacy \/ Discontinued Service Component\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 1.0 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About \u003cspan data-sheets-root=\"1\"\u003e637-162\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eThe 637-162 is an OEM Simplex power supply PCB intended for board-level service and replacement in compatible legacy fire alarm equipment. Its assembly integrates the electronic components and connection points required to condition and distribute operating power within the host control panel. The board is installed internally and works as part of the panel's power architecture rather than as a standalone external power supply. Because the 637-162 is a legacy component, exact panel revision and existing board number should be verified before replacement to ensure electrical and mechanical compatibility.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003ePower Supply PCB: Provides internal power supply and distribution functions for compatible Simplex fire alarm equipment.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOEM Simplex Component: Manufactured as a dedicated board-level component for Simplex fire alarm system applications.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInternal Panel Installation: Designed for mounting inside the compatible fire alarm control cabinet.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePower Conditioning: Supports conversion and regulation of incoming panel power for downstream electronic circuitry.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSystem Power Distribution: Routes operating power to compatible internal panel components and circuits.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePrinted Circuit Assembly: Combines power-control electronics, connectors, and related components on a serviceable PCB assembly.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBoard-Level Replacement: Suitable for replacing an existing 637-162 assembly during maintenance or system restoration.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLegacy Equipment Support: Intended primarily for maintaining compatible installed Simplex fire alarm systems.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eService Identification: Clearly identified by Simplex assembly part number 637-162 for replacement matching.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProfessional Installation: Intended for installation and servicing by technicians familiar with Simplex fire alarm control equipment.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompatibility Verification: Host panel model, revision, connectors, and original PCB number should be matched before installation.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThe 637-162 delivers the reliability and precision required for restoring internal power supply and distribution functions in compatible Simplex fire alarm control equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp id=\"p-rc_c7b8f4fae39e183e-25\"\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Simplex","offers":[{"title":"Default Title","offer_id":52822713106730,"sku":"637-162","price":717.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/s-l1600_c87748c6-a4b0-4d39-ae7c-c8492c6e6de7.webp?v=1790974631","url":"https:\/\/iqelectro.com\/products\/simplex-637-162-power-supply-pc-board-for-legacy-fire-alarm-control-systems","provider":"IQElectro","version":"1.0","type":"link"}