{"product_id":"siemens-pad-3-mb-main-board-for-pad-3-nac-notification-appliance-extenders","title":"Siemens PAD-3-MB Main Board for PAD-3 NAC Notification Appliance Extenders","description":"\u003ch4 class=\"PDq2pG_selectionAnchorContainer\"\u003eDescription\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe Siemens PAD-3-MB is a main board for PAD-3 series Notification Appliance Circuit extenders used to increase power and circuit capacity in Siemens fire alarm systems. It manages power distribution, circuit supervision, and control for connected horns, strobes, and other notification appliances.\u003c\/p\u003e\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\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\u003eSiemens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFire 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\u003ePAD-3-MB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNAC Extender Main 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\u003eNotification Appliance Circuit Extender Main Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePAD-3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 6 Amps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eClass B NAC Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 4 circuits (Style Y)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eClass A NAC Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 2 circuits (Style Z)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNAC Circuit Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 3 Amps per circuit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAuxiliary Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 Amps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAuxiliary Output Configuration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eResettable or non-resettable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupervision Functions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAC power, battery voltage, ground fault, NAC open, short, and over-current\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTrouble Relay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eForm C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Panels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMXL, FireFinder, Sinteso, Cerberus PRO\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 notification appliance power and circuit expansion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6 × 6 × 6 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 lbs\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 PAD-3-MB\u003c\/h4\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe PAD-3-MB is a Siemens circuit board designed as the primary control and power management component for PAD-3 series NAC extender assemblies. It provides up to 6 Amps of regulated 24 VDC power and supports multiple Class B or Class A notification appliance circuit configurations. The board includes supervision for AC power, battery status, ground faults, and NAC open, short, and over-current conditions. It is compatible with Siemens and Cerberus fire alarm platforms, including MXL, FireFinder, Sinteso, and Cerberus PRO systems.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\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\n\u003cli\u003e6 Amp Power Capacity: Provides up to 6 Amps of regulated 24 VDC power for notification appliance loads.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eFlexible NAC Configuration: Supports up to four Class B Style Y circuits or two Class A Style Z circuits.\u003c\/li\u003e\n\u003cli\u003eNAC Circuit Rating: Supports notification appliance circuits rated at up to 3 Amps each.\u003c\/li\u003e\n\u003cli\u003eAuxiliary Power Output: Provides a dedicated 3 Amp auxiliary output configurable for resettable or non-resettable operation.\u003c\/li\u003e\n\u003cli\u003ePower Supervision: Monitors AC power and battery voltage conditions for system fault detection.\u003c\/li\u003e\n\u003cli\u003eCircuit Monitoring: Supervises NAC circuits for open, short, and over-current conditions.\u003c\/li\u003e\n\u003cli\u003eGround Fault Detection: Provides monitoring for ground fault conditions affecting the connected system.\u003c\/li\u003e\n\u003cli\u003eTrouble Relay: Includes a Form C trouble relay that de-energizes when a monitored trouble condition is detected.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe PAD-3-MB delivers the reliability and precision required for expanding and supervising notification appliance power circuits in compatible fire alarm systems.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":52563651395882,"sku":"PAD-3-MB","price":822.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/PAD-3-MB.jpg?v=1789075326","url":"https:\/\/iqelectro.com\/products\/siemens-pad-3-mb-main-board-for-pad-3-nac-notification-appliance-extenders","provider":"IQElectro","version":"1.0","type":"link"}