{"product_id":"sd500-arm-honeywell-addressable-relay-module","title":"SD500-ARM | Honeywell Addressable Relay Module","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-start=\"144\" data-end=\"396\"\u003eThe Honeywell Silent Knight SD500‑ARM is an addressable relay module designed for Farenhyt and IntelliKnight fire alarm control panels. It provides two Form C dry contacts rated at 2 A @ 30 V DC or 0.6 A @ 120 VAC, enabling control of devices such as elevator recall, door holders, fans, and auxiliary notifications.\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 width=\"100%\" style=\"height: 361.617px; width: 100%;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 22.9167px;\"\u003e\n\u003cth style=\"width: 32.7273%; text-align: left; height: 22.9167px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eCondition\u003c\/th\u003e\n\u003ctd style=\"width: 66.9091%; height: 22.9167px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 32.7273%; text-align: left; height: 19.6px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eBrand\u003c\/th\u003e\n\u003ctd style=\"width: 66.9091%; height: 19.6px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e\u003cspan data-sheets-root=\"1\"\u003eHoneywell\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 20.5667px;\"\u003e\n\u003cth style=\"width: 32.7273%; text-align: left; height: 20.5667px;\"\u003eCategory\u003c\/th\u003e\n\u003ctd style=\"width: 66.9091%; height: 20.5667px;\"\u003e\n\u003cdiv class=\"mt-1 md:mt-0 column-left basis-2\/4 divide-y divide-rad-gray-10 border-b-[0.0625rem] border-rad-gray-10 md:border-0\"\u003e\n\u003cdiv class=\"flex gap-[1.75rem] md:gap-x-0 xl:gap-x-[1.875rem]\"\u003e\n\u003cdiv class=\"text-body-4 w-full font-light py-5 pl-4 md:py-6 md:pl-6 text-rad-gray-70\"\u003e\n\u003cdiv class=\"max-w-[8rem] break-words\"\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eFire Safety\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 32.7273%; text-align: left; height: 19.6px;\"\u003e\u003cspan\u003ePart Number\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 66.9091%; height: 19.6px;\"\u003e\u003cspan data-sheets-root=\"1\"\u003eSD500-ARM\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 32.7273%; text-align: left; height: 19.6px;\"\u003e\u003cspan\u003eSubcategory\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 66.9091%; height: 19.6px;\"\u003e\u003cspan data-sheets-root=\"1\"\u003e\u003cspan\u003eFire Alarm Control\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 23.5667px;\"\u003e\n\u003cth style=\"width: 32.7273%; text-align: left; height: 23.5667px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eProgramming Method\u003c\/th\u003e\n\u003ctd style=\"width: 66.9091%; height: 23.5667px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003eDIP Switch Programming for Fast Installation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 32.7273%; text-align: left; height: 19.6px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eRelay Contacts\u003c\/th\u003e\n\u003ctd style=\"width: 66.9091%; height: 19.6px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003eTwo Sets of Form C Dry Contacts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 32.7273%; text-align: left; height: 19.6px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eMounting Type\u003c\/th\u003e\n\u003ctd style=\"width: 66.9091%; height: 19.6px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e4-Square Electrical Box\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 32.7273%; text-align: left; height: 19.6px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eOperating Voltage\u003c\/th\u003e\n\u003ctd style=\"width: 66.9091%; height: 19.6px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003cth style=\"width: 32.7273%; text-align: left; height: 39.2px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eSLC Standby\/Alarm Current\u003c\/th\u003e\n\u003ctd style=\"width: 66.9091%; height: 39.2px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e0.55 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 32.7273%; text-align: left; height: 19.6px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eSLC Loop Resistance\u003c\/th\u003e\n\u003ctd style=\"width: 66.9091%; height: 19.6px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e50 Ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003cth style=\"width: 32.7273%; text-align: left; height: 39.2px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eOperating Temperature Range\u003c\/th\u003e\n\u003ctd style=\"width: 66.9091%; height: 39.2px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e32° – 120°F (0° – 49°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 20.1667px;\"\u003e\n\u003cth style=\"width: 32.7273%; text-align: left; height: 20.1667px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eRelay Ratings (Resistive)\u003c\/th\u003e\n\u003ctd style=\"width: 66.9091%; height: 20.1667px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e30 VDC @ 2.0 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 32.7273%; text-align: left; height: 19.6px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eRelay Ratings (Inductive)\u003c\/th\u003e\n\u003ctd style=\"width: 66.9091%; height: 19.6px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e30 VDC @ 1.0 A (0.6 PF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 32.7273%; text-align: left; height: 19.6px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eRelay Ratings (Pilot Duty)\u003c\/th\u003e\n\u003ctd style=\"width: 66.9091%; height: 19.6px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e30 VDC @ 0.6 A (0.35 PF), 120 VDC @ 0.6 A (0.35 PF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 32.7273%; text-align: left; height: 19.6px;\"\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 66.9091%; height: 19.6px;\"\u003e\u003cspan\u003e0.27 lbs\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003cspan style=\"font-size: 0.875rem;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About SD500-ARM\u003c\/h4\u003e\n\u003cp\u003eThe SD500-ARMc is part of Honeywell’s Silent Knight series of addressable modules, engineered to provide reliable remote control of auxiliary devices in addressable fire alarm systems. This model features two Form C dry-contact relays, DIP switch programming for simplified setup, and is addressable via the system’s SLC loop. Designed to mount inside a standard 4-square electrical box, the SD500-ARMc offers compact, flexible integration for fire protection systems. With ultra-low standby current and a broad operating temperature range, it’s ideal for applications requiring elevator control, fan shutdown, door holders, and auxiliary signaling.\u003c\/p\u003e\n\u003ch4\u003eKey Features:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eDual Form C Relay Outputs: Provides two independently configurable dry-contact outputs for activation of external devices like strobes, fans, or magnetic door holders.\u003c\/li\u003e\n\u003cli\u003eAddressable via SLC Loop: Individually addressable on the system loop, allowing precise control and monitoring from compatible Silent Knight or Farenhyt fire panels.\u003c\/li\u003e\n\u003cli\u003eDIP Switch Programming: Simple addressing via DIP switches ensures quick, accurate installation with no special tools or programming interfaces required.\u003c\/li\u003e\n\u003cli\u003eLow Power Consumption: Draws only 0.55 mA in both standby and alarm modes, minimizing current load on the SLC and maximizing loop capacity.\u003c\/li\u003e\n\u003cli\u003eRelay Ratings: Supports multiple load types including:\u003cbr\u003e• 30 VDC @ 2.0 A (resistive)\u003cbr\u003e• 30 VDC @ 1.0 A (0.6 PF inductive)\u003cbr\u003e• 120 VAC @ 0.6 A (0.35 PF pilot duty)\u003c\/li\u003e\n\u003cli\u003eStandard Box Mounting: Fits conveniently in a standard 4-inch square electrical box, enabling streamlined, code-compliant installation.\u003c\/li\u003e\n\u003cli\u003eLED Status Indicator: Visible through the cover plate for easy diagnostics and confirmation of module polling status.\u003c\/li\u003e\n\u003cli\u003eWide Environmental Range: Operates from 32°F to 120°F (0°C to 49°C), making it suitable for use in a variety of indoor environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe SD500-ARMc offers flexible relay control with a simple, compact design and reliable addressable functionality. Whether you're activating fan shutdown, elevator recall, or auxiliary notification appliances, this module provides dependable operation with straightforward installation. Though now discontinued, the SD500-ARMc remains a trusted solution in many legacy Silent Knight fire alarm systems.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":49105293705472,"sku":"SD500-ARM","price":654.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/s-l1600_8ca1736e-d566-4a14-912d-0459df379caf.webp?v=1785544312","url":"https:\/\/alotechparts.com\/products\/sd500-arm-honeywell-addressable-relay-module","provider":"Alo Tech Solutions","version":"1.0","type":"link"}