{"product_id":"pad-4-mb-siemens-replacement-board-for-pad-4-nac-expander-module","title":"PAD-4-MB | Siemens Replacement Board for PAD-4 NAC Expander Module","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-start=\"144\" data-end=\"396\"\u003eThe Siemens PAD-4-MB is a replacement main board for the PAD-4 NAC (Notification Appliance Circuit) expander module. It restores proper circuit expansion capability for Siemens fire alarm systems, ensuring reliable operation of notification devices.\u003c\/p\u003e\n\u003cp data-start=\"284\" data-end=\"574\" class=\"\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"284\" data-end=\"574\" class=\"\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable style=\"width: 99.964%; height: 294px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 28.5074%; height: 19.6px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.3594%; height: 19.6px;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 28.5074%; height: 19.6px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.3594%; height: 19.6px;\"\u003eSiemens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 28.5074%; height: 19.6px;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.3594%; height: 19.6px;\"\u003eFire Alarm Equipment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 28.5074%; height: 19.6px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.3594%; height: 19.6px;\"\u003ePAD-4-MB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 28.5074%; height: 19.6px;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.3594%; height: 19.6px;\"\u003eReplacement Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 28.5074%; height: 19.6px;\"\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.3594%; height: 19.6px;\"\u003eNAC expander replacement PCB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 28.5074%; height: 19.6px;\"\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.3594%; height: 19.6px;\"\u003eProvides notification appliance circuit expansion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 28.5074%; height: 19.6px;\"\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.3594%; height: 19.6px;\"\u003eSiemens PAD-4 modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 28.5074%; height: 19.6px;\"\u003e\u003cstrong\u003eSupported Devices\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.3594%; height: 19.6px;\"\u003eHorns, strobes, and signaling appliances\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 28.5074%; height: 19.6px;\"\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.3594%; height: 19.6px;\"\u003eField-replaceable inside PAD-4 enclosure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 28.5074%; height: 19.6px;\"\u003e\u003cstrong\u003eDesign\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.3594%; height: 19.6px;\"\u003eDirect-fit replacement main board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 28.5074%; height: 19.6px;\"\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.3594%; height: 19.6px;\"\u003eFire alarm NAC expansion systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 28.5074%; height: 19.6px;\"\u003e\u003cstrong\u003eMaintenance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.3594%; height: 19.6px;\"\u003eReduces cost vs. full module replacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 28.5074%; height: 19.6px;\"\u003e\u003cstrong\u003eEnvironment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.3594%; height: 19.6px;\"\u003eCommercial and industrial fire alarm systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 28.5074%; height: 19.6px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.3594%; height: 19.6px;\"\u003e1 lb (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003ch4\u003eInformation About PAD-4-MB\u003c\/h4\u003e\n\u003cp\u003eThe PAD-4-MB is part of Siemens’ replacement component offerings for the PAD-4 notification appliance expander. It is designed to provide full functionality as a direct replacement for the original main board in the module. The board supports the distribution of additional notification appliance circuits, allowing fire alarm systems to power and control horns, strobes, and other signaling devices. By replacing only the board, it offers a cost-effective solution for maintaining system integrity without replacing the full NAC expander assembly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDirect Replacement: Designed specifically for Siemens PAD-4 NAC expander modules.\u003c\/li\u003e\n\u003cli\u003eNotification Appliance Support: Maintains distribution of additional horns, strobes, and signaling devices.\u003c\/li\u003e\n\u003cli\u003eSystem Compatibility: Fully compatible with Siemens fire alarm control panels.\u003c\/li\u003e\n\u003cli\u003eCost-Effective Solution: Restores module functionality without replacing the full enclosure.\u003c\/li\u003e\n\u003cli\u003eReliable Performance: Provides the same operational capability as the original board.\u003c\/li\u003e\n\u003cli\u003eSimplified Maintenance: Designed for field replacement in existing systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe PAD-4-MB delivers the reliability and precision required for maintaining Siemens fire alarm NAC expansion systems.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":49105176625408,"sku":"PAD-4-MB","price":799.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/PR-F1P1-4165_450x450_5db62ec6-63b3-4a3b-b679-fd0cb5131c21.jpg?v=1785541910","url":"https:\/\/alotechparts.com\/products\/pad-4-mb-siemens-replacement-board-for-pad-4-nac-expander-module","provider":"Alo Tech Solutions","version":"1.0","type":"link"}