{"product_id":"idec-ru4s-d12-2r519cto","title":"IDEC RU4S-D12  Relay","description":"\u003cp data-path-to-node=\"1\"\u003eThe \u003cb data-path-to-node=\"1\" data-index-in-node=\"4\"\u003eIDEC RU4S-D12\u003c\/b\u003e is a 4-pole, compact universal relay designed for \u003cb data-path-to-node=\"1\" data-index-in-node=\"68\"\u003e12V DC\u003c\/b\u003e control systems. Part of the RU \"Universal\" series, it is utilized for high-density logic switching where multiple independent signals must be moved simultaneously.\u003c\/p\u003e\n\u003cp data-path-to-node=\"2\"\u003e\u003cb data-path-to-node=\"2\" data-index-in-node=\"0\"\u003eCore Specifications\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"3\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,0,0\"\u003e\u003cb data-path-to-node=\"3,0,0\" data-index-in-node=\"0\"\u003eContact Form:\u003c\/b\u003e 4PDT (4 Form C).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,1,0\"\u003e\u003cb data-path-to-node=\"3,1,0\" data-index-in-node=\"0\"\u003eContact Rating:\u003c\/b\u003e 6 A @ 250 V AC \/ 30 V DC (Resistive).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,2,0\"\u003e\u003cb data-path-to-node=\"3,2,0\" data-index-in-node=\"0\"\u003eCoil Voltage:\u003c\/b\u003e \u003cb data-path-to-node=\"3,2,0\" data-index-in-node=\"14\"\u003e12 V DC\u003c\/b\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,3,0\"\u003e\u003cb data-path-to-node=\"3,3,0\" data-index-in-node=\"0\"\u003eTerminals:\u003c\/b\u003e Solder\/Plug-in (Blade style).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,4,0\"\u003e\u003cb data-path-to-node=\"3,4,0\" data-index-in-node=\"0\"\u003eIndication:\u003c\/b\u003e Includes a \u003cb data-path-to-node=\"3,4,0\" data-index-in-node=\"23\"\u003eGreen LED\u003c\/b\u003e and a mechanical flag indicator.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,5,0\"\u003e\u003cb data-path-to-node=\"3,5,0\" data-index-in-node=\"0\"\u003eApprovals:\u003c\/b\u003e UL recognized, CSA certified, and CE marked.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"4\"\u003e\n\u003ch3 data-path-to-node=\"5\"\u003e\u003cb data-path-to-node=\"5\" data-index-in-node=\"0\"\u003eElevator Logic\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"6\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,0,0\"\u003e\u003cb data-path-to-node=\"6,0,0\" data-index-in-node=\"0\"\u003eLow-Voltage Interface:\u003c\/b\u003e Often found in specialized car-top electronics, battery-backed emergency systems, or interfacing with 12V DC sensors and door edges.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,1,0\"\u003e\u003cb data-path-to-node=\"6,1,0\" data-index-in-node=\"0\"\u003eBifurcated Contacts:\u003c\/b\u003e The RU series is known for reliable switching of \"dry\" low-current signals, as the contact design minimizes the impact of surface oxidation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,2,0\"\u003e\u003cb data-path-to-node=\"6,2,0\" data-index-in-node=\"0\"\u003eTroubleshooting Tools:\u003c\/b\u003e The integrated green LED confirms coil power at a glance. The mechanical flag provides physical confirmation that the contacts have transferred, helping isolate electrical issues from mechanical failures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,3,0\"\u003e\u003cb data-path-to-node=\"6,3,0\" data-index-in-node=\"0\"\u003eManual Latching:\u003c\/b\u003e Features a transient manual latching lever for locking the relay \"ON\" during system testing without needing to keep the coil energized.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"7\"\u003e\n\u003ch3 data-path-to-node=\"8\"\u003e\u003cb data-path-to-node=\"8\" data-index-in-node=\"0\"\u003eAccessories\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"9\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,0,0\"\u003e\u003cb data-path-to-node=\"9,0,0\" data-index-in-node=\"0\"\u003eSM4S-05:\u003c\/b\u003e Standard 14-blade DIN rail or surface mount screw terminal socket.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,1,0\"\u003e\u003cb data-path-to-node=\"9,1,0\" data-index-in-node=\"0\"\u003eSM4S-62:\u003c\/b\u003e Finger-safe (IP20) DIN rail socket to comply with modern safety standards.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,2,0\"\u003e\u003cb data-path-to-node=\"9,2,0\" data-index-in-node=\"0\"\u003eSFA-101:\u003c\/b\u003e Metal hold-down spring clip to ensure the relay remains seated under high-vibration conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,3,0\"\u003e\u003cb data-path-to-node=\"9,3,0\" data-index-in-node=\"0\"\u003eMarking Plates:\u003c\/b\u003e Snap-on tags for identifying the relay function (e.g., \"Nudging Logic\").\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"10\"\u003e\n\u003ch3 data-path-to-node=\"11\"\u003e\u003cb data-path-to-node=\"11\" data-index-in-node=\"0\"\u003eMaintenance \u0026amp; Code\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"12\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,0,0\"\u003e\u003cb data-path-to-node=\"12,0,0\" data-index-in-node=\"0\"\u003eB44 Compliance:\u003c\/b\u003e You must verify that the replacement relay matches the \u003cb data-path-to-node=\"12,0,0\" data-index-in-node=\"71\"\u003e12 V DC\u003c\/b\u003e coil rating exactly. Using a 24V or 110V relay in a 12V circuit will cause the system to fail to pull in.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,1,0\"\u003e\u003cb data-path-to-node=\"12,1,0\" data-index-in-node=\"0\"\u003eNon-Polarized LED:\u003c\/b\u003e The built-in LED will illuminate regardless of the positive\/negative orientation of the DC leads connected to the coil terminals.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,2,0\"\u003e\u003cb data-path-to-node=\"12,2,0\" data-index-in-node=\"0\"\u003eContact Health:\u003c\/b\u003e Use the clear polycarbonate cover to inspect for carbon tracking or pitting. Darkening of the plastic indicates the relay is reaching the end of its electrical life.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,3,0\"\u003e\u003cb data-path-to-node=\"12,3,0\" data-index-in-node=\"0\"\u003eOperational Range:\u003c\/b\u003e Rated for \u003cb data-path-to-node=\"12,3,0\" data-index-in-node=\"29\"\u003e-55°C to +70°C\u003c\/b\u003e, maintaining stability in unconditioned hoistways or machine rooms.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"R.A.M. Parts","offers":[{"title":"Default Title","offer_id":47615820529816,"sku":null,"price":0.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0741\/4369\/5000\/files\/rn-image_picker_lib_temp_169cd110-0f85-4348-9b03-6f2cc128ac85.jpg?v=1774302834","url":"https:\/\/parts4rem.ca\/products\/idec-ru4s-d12-2r519cto","provider":"Parts4REM","version":"1.0","type":"link"}