{"product_id":"johnson-controls-m300rj-intelligent-addressable-dual-form-c-relay-module","title":"Johnson Controls M300RJ Intelligent Addressable Dual Form-C Relay Module","description":"\u003ch4 class=\"PDq2pG_selectionAnchorContainer\"\u003eDescription\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe Johnson Controls M300RJ is an intelligent addressable relay control module designed for compatible two-wire fire alarm systems. It provides two isolated Form-C dry-contact relay outputs for controlling auxiliary equipment such as fans, dampers, and other control devices.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\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\u003eJohnson Controls\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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eM300RJ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRelay Control Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIntelligent Addressable Relay Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eContact Configuration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDual Form-C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eContact Arrangement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDPDT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDry Contact\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15–32 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Current Draw\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6.5 mA with LED on\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAverage Operating Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e230 µA direct poll; 255 µA group poll\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAddressing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRotary Switches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4-Inch Square Electrical Box\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32°F to 120°F (0°C to 49°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHumidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10%–93% Non-Condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.5 × 4 × 1.25 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.2 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 \u003cspan\u003eM300RJ\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe M300RJ is an addressable control module used with compatible Johnson Controls intelligent fire alarm control panels. Its two isolated Form-C contacts operate together as a DPDT switching arrangement and are controlled by commands from the fire alarm panel. Built-in rotary switches provide module addressing, while a panel-controlled LED indicates communication and activation status. The module operates from a 15–32 VDC signaling loop and mounts directly to a standard 4-inch square electrical box.\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\n\u003cli\u003eAddressable Relay Module: Provides intelligent relay control on compatible two-wire fire alarm systems.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eDual Form-C Contacts: Includes two isolated Form-C contact sets operating together as a DPDT switch.\u003c\/li\u003e\n\u003cli\u003eDry-Contact Output: Provides relay contacts for switching connected auxiliary control equipment.\u003c\/li\u003e\n\u003cli\u003eRotary Addressing: Uses built-in rotary switches for assigning the module address.\u003c\/li\u003e\n\u003cli\u003ePanel-Controlled LED: Provides visual indication of communication and relay activation status.\u003c\/li\u003e\n\u003cli\u003eAuxiliary Equipment Control: Suitable for controlling fans, dampers, and other external equipment.\u003c\/li\u003e\n\u003cli\u003eDirect Mounting: Mounts directly to a standard 4-inch square electrical box.\u003c\/li\u003e\n\u003cli\u003eWide Voltage Range: Operates from a 15–32 VDC signaling loop.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe M300RJ delivers the reliability and precision required for intelligent fire alarm relay control and auxiliary equipment interface applications.\u003c\/p\u003e","brand":"Johnson Controls","offers":[{"title":"Default Title","offer_id":52561866719530,"sku":"M300RJ","price":119.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/s-l1600_365e9881-50c0-4c23-921e-81cf21352217.webp?v=1789053853","url":"https:\/\/iqelectro.com\/products\/johnson-controls-m300rj-intelligent-addressable-dual-form-c-relay-module","provider":"IQElectro","version":"1.0","type":"link"}