{"product_id":"silent-knight-5883","title":"Silent Knight 5883 (Relay Interface Board, 10 Form C Relays)","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cdiv\u003eThe 5883 Relay Interface Board provides ten general-purpose Form C relays for controlling external circuits that require a dry-contact closure. It is driven by an open-collector input from a controlling device such as the 5880 LED I\/O Module, enabling functions like elevator recall, door release, and HVAC shutdown within a Silent Knight system.\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"FIRE ALARM SYS","offers":[{"title":"Default Title","offer_id":51571310592320,"sku":"195048265034","price":308.54,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0831\/6466\/0032\/files\/5883_79e7c09a-1fe2-4e20-85c4-7dc24311f9cc.png?v=1773351516","url":"https:\/\/firealarmsys.com\/products\/silent-knight-5883","provider":"FIRE ALARM SYS","version":"1.0","type":"link"}