{"title":"4 Pole Relays","description":"","products":[{"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"},{"product_id":"omron-my4n","title":"IDEC RU4S-D24 Universal Relay","description":"\u003cp data-path-to-node=\"1\"\u003eThe \u003cb data-path-to-node=\"1\" data-index-in-node=\"4\"\u003eIDEC RU4S-D24\u003c\/b\u003e is a 4-pole, compact universal relay specifically designed for \u003cb data-path-to-node=\"1\" data-index-in-node=\"81\"\u003e24V DC\u003c\/b\u003e control circuits. It is a standard component for high-density logic switching in modern elevator controllers 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\"\u003e24 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\"\u003eIndication:\u003c\/b\u003e Features a \u003cb data-path-to-node=\"3,3,0\" 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=\"3,4,0\"\u003e\u003cb data-path-to-node=\"3,4,0\" 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\"\u003eHigh-Density Signal Routing:\u003c\/b\u003e The 4-pole design allows for the simultaneous switching of four separate circuits, such as floor position feedback, call registration, and safety string monitoring.\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\"\u003eLow-Power Reliability:\u003c\/b\u003e The RU series is engineered with a focus on stable contact resistance, making it reliable for the low-current \"dry\" logic signals used by solid-state controller boards.\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\"\u003eDiagnostic Tools:\u003c\/b\u003e The green LED confirms the presence of 24V DC at the coil, while the mechanical flag provides physical verification that the armature has transferred, which is essential for isolating electrical vs. mechanical faults.\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, allowing a technician to lock the relay \"ON\" for circuit 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\"\u003eSU4S-11L:\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, recommended for safety compliance in modern Canadian installations.\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 securely seated during high-vibration operation.\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 specific functions like \"Up Direction 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\"\u003eCSA B44 Compliance:\u003c\/b\u003e To maintain the safety rating of the controller, ensure the replacement matches the \u003cb data-path-to-node=\"12,0,0\" data-index-in-node=\"104\"\u003e24V DC\u003c\/b\u003e coil rating exactly.\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\"\u003ePolarity Sensitivity:\u003c\/b\u003e Unlike AC models, the internal LED and protection circuit in the D24 model require correct polarity (+ to terminal 14, - to terminal 13) for proper operation.\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 Inspection:\u003c\/b\u003e Use the clear polycarbonate cover to check for silvering or black carbon buildup. If the casing appears darkened or smoky, the relay is nearing its end of life and should be replaced.\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 stable performance from \u003cb data-path-to-node=\"12,3,0\" data-index-in-node=\"53\"\u003e-55°C to +70°C\u003c\/b\u003e, ensuring reliability 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":47616431292568,"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_861b4f5c-2366-452b-ae61-79efc3517e6c.jpg?v=1774375209"},{"product_id":"idec-ru4s-d110-relay","title":"IDEC RU4S-D110 Relay","description":"\u003cp data-path-to-node=\"1\"\u003eThe \u003cb data-path-to-node=\"1\" data-index-in-node=\"4\"\u003eIDEC RU4S-D110\u003c\/b\u003e is a 4-pole, compact universal relay specifically designed for \u003cb data-path-to-node=\"1\" data-index-in-node=\"82\"\u003eDC control circuits\u003c\/b\u003e. While it looks identical to the AC version, it is engineered to handle 110V DC coil power, which is common in older high-voltage DC control logic or specific industrial power plants.\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\"\u003e110 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\"\u003eDesign:\u003c\/b\u003e Non-polarized LED indicator and 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\"\u003eDC Control Specialist:\u003c\/b\u003e Unlike the A110 (AC), the \u003cb data-path-to-node=\"6,0,0\" data-index-in-node=\"49\"\u003eD110\u003c\/b\u003e is used in systems where the control backbone is DC. Using an AC relay in this position will cause the coil to burn out or fail to pull in.\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 uses split contacts, providing superior reliability for \"dry\" (low-current) signals where standard contacts might fail due to 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\"\u003eDiagnostic Tools:\u003c\/b\u003e Includes a \u003cb data-path-to-node=\"6,2,0\" data-index-in-node=\"29\"\u003emechanical indicator flag\u003c\/b\u003e (shows if the contacts have physically moved) and an \u003cb data-path-to-node=\"6,2,0\" data-index-in-node=\"108\"\u003eLED\u003c\/b\u003e (shows if the coil is receiving power). This is vital for isolating mechanical failures from electrical ones.\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, allowing a technician to lock the relay in the \"on\" position for hands-free testing of downstream logic.\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 meet modern safety requirements.\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 during high-vibration operation.\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., \"Safety Chain\" or \"Door 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\/ASME A17.1 Compliance:\u003c\/b\u003e You must ensure the replacement matches the \u003cb data-path-to-node=\"12,0,0\" data-index-in-node=\"71\"\u003e110 V DC\u003c\/b\u003e rating. Installing a 110V AC relay into a DC socket is a major code and safety violation that will lead to immediate component failure.\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\"\u003ePolarity:\u003c\/b\u003e The RU4S features a \u003cb data-path-to-node=\"12,1,0\" data-index-in-node=\"30\"\u003enon-polarized LED\u003c\/b\u003e, meaning it will illuminate regardless of which way the DC positive\/negative leads are 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 Inspection:\u003c\/b\u003e The clear polycarbonate cover allows you to check for \"pitting\" or carbon buildup. If the mechanical flag is dropped but the circuit isn't completing, the contacts are likely fouled.\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 Temperature:\u003c\/b\u003e Rated for \u003cb data-path-to-node=\"12,3,0\" data-index-in-node=\"35\"\u003e-55°C to +70°C\u003c\/b\u003e, making it robust enough for unheated elevator machine rooms in Canadian winters.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"R.A.M. Parts","offers":[{"title":"Default Title","offer_id":47638891004056,"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_920aeb65-2692-4bf0-9e0a-801a199e3184.jpg?v=1774302048"},{"product_id":"idec-ru4s-a110-relay","title":"IDEC RU4S-A110 Relay","description":"\u003cp data-path-to-node=\"1\"\u003eThe \u003cb data-path-to-node=\"1\" data-index-in-node=\"4\"\u003eIDEC RU4S-A110\u003c\/b\u003e is a 4-pole, compact universal relay known for its \"dry\" circuit reliability and tool-less maintenance features. It is a common logic-level switching component in elevator controllers, frequently used for signal processing and low-power circuit isolation.\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 110 V AC (50\/60 Hz).\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\"\u003eDesign:\u003c\/b\u003e Non-polarized LED indicator and 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\"\u003eBifurcated Contacts:\u003c\/b\u003e The RU series often utilizes bifurcated (split) contacts, making them highly reliable for switching \"dry\" low-voltage signals where minimal oxidation can cause failure in standard relays.\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\"\u003eCompact Footprint:\u003c\/b\u003e Allows for high-density mounting on control boards where space is limited, such as in car top stations or restricted COP cabinets.\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\"\u003eVisual Verification:\u003c\/b\u003e Features a dual-indicator system (LED for coil power and a mechanical flag for contact position), allowing a technician to confirm the relay has physically transferred even in dark machine rooms.\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\"\u003eSnap-In Ease:\u003c\/b\u003e Designed for quick replacement in \"blade\" type sockets, reducing downtime during emergency service calls.\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 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 for enhanced safety compliance.\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 prevent the relay from vibrating loose from its base.\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 Optional snap-on ID plates for labeling relay functions within a complex logic string.\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 As with all safety-related components, the replacement must match the 110 V AC coil voltage and 6 A contact rating specified by the original equipment manufacturer (OEM).\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\"\u003eEnvironment:\u003c\/b\u003e The RU4S is designed to operate in temperatures ranging from \u003cb data-path-to-node=\"12,1,0\" data-index-in-node=\"74\"\u003e-55°C to +70°C\u003c\/b\u003e, making it suitable for unconditioned hoistways or machine rooms.\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\"\u003eNo-Tool Replacement:\u003c\/b\u003e The internal latching lever allows for manual testing, but should be used with caution during live troubleshooting to avoid unintended car movement.\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\"\u003eContact Inspection:\u003c\/b\u003e The clear polycarbonate cover allows for easy spotting of carbon \"tracking\" or contact welding; if the mechanical flag and LED do not match, the relay has failed mechanically and requires immediate replacement.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"R.A.M. Parts","offers":[{"title":"Default Title","offer_id":47639542726808,"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_ad56d748-fb50-417e-9c29-4fd7c271af86.jpg?v=1774301946"},{"product_id":"idec-rh4b-ul-relay-box-of-10","title":"IDEC RH4B-UL Relay (Box of 10)","description":null,"brand":"R.A.M. Parts","offers":[{"title":"Default Title","offer_id":49255501856920,"sku":null,"price":0.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0741\/4369\/5000\/files\/rh4b_idec.jpg?v=1781634723"}],"url":"https:\/\/parts4rem.ca\/collections\/4-pole-relays.oembed","provider":"Parts4REM","version":"1.0","type":"link"}