{"product_id":"kup-11d15-24-ku","title":"Potter \u0026 Brumfield KUP-11D15-24 Relay","description":"\u003cp data-path-to-node=\"1\"\u003eThe \u003cb data-path-to-node=\"1\" data-index-in-node=\"4\"\u003eKUP-11D15-24\u003c\/b\u003e (manufactured by \u003cb data-path-to-node=\"1\" data-index-in-node=\"34\"\u003eTE Connectivity\u003c\/b\u003e) is a heavy-duty, general-purpose \"Ice Cube\" relay. It is one of the most common components found in modern and legacy elevator controllers, primarily used for 24V DC logic isolation, pilot signals, and switching moderate inductive loads such as small brake coils or door operator commands.\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\"\u003eManufacturer:\u003c\/b\u003e TE Connectivity \/ Potter \u0026amp; Brumfield\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\"\u003ePart Number:\u003c\/b\u003e KUP-11D15-24\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\"\u003eNumber of Poles:\u003c\/b\u003e \u003cb data-path-to-node=\"3,2,0\" data-index-in-node=\"17\"\u003e2-Pole (DPDT \/ 2 Form C)\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\"\u003eCoil Voltage:\u003c\/b\u003e 24V DC\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\"\u003eContact Rating:\u003c\/b\u003e 10A @ 240V AC \/ 28V DC\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\"\u003eBase Type:\u003c\/b\u003e 8-Pin Square Plug-in (Blade terminals)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,6,0\"\u003e\u003cb data-path-to-node=\"3,6,0\" data-index-in-node=\"0\"\u003eConstruction:\u003c\/b\u003e Clear polycarbonate dust cover\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\"\u003e2-Pole DPDT Switching:\u003c\/b\u003e The \u003cb data-path-to-node=\"6,0,0\" data-index-in-node=\"27\"\u003edual-pole\u003c\/b\u003e design allows for two independent circuits to be switched simultaneously. For example, one pole can handle a high-voltage 110V AC load (like a lantern or chime) while the second pole provides a 24V DC feedback signal to the controller.\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\"\u003eSignal Isolation:\u003c\/b\u003e Interfaces 24V DC field signals (like hall calls or limit switches) with the controller's internal logic, protecting sensitive electronics from field-induced transients.\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\"\u003eDoor Operator Control:\u003c\/b\u003e Frequently serves as the \"Open\" or \"Close\" command relay, sending a 24V DC trigger signal to the door motor drive or auxiliary control board.\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\"\u003eBrake Pilot:\u003c\/b\u003e Acts as a secondary pilot relay that must pull in to confirm logic state before the high-current brake contactor is 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\"\u003e92-Series Socket:\u003c\/b\u003e The standard 8-pin square base used for DIN-rail or surface-mount installation.\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\"\u003eHold-Down Spring:\u003c\/b\u003e A metal wire clip used to prevent the relay from vibrating out of its socket, which is critical for car-top or high-vibration machine rooms.\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\"\u003eLED Indicator Module:\u003c\/b\u003e Some sockets include a 24V DC LED to visually confirm when the coil is energized.\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\"\u003eFlyback Diode:\u003c\/b\u003e Highly recommended across the 24V DC coil (Terminals 7 \u0026amp; 8) to suppress inductive \"kick\" and protect the controller's transistor drivers.\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 Safety Limitations:\u003c\/b\u003e Under \u003cb data-path-to-node=\"12,0,0\" data-index-in-node=\"30\"\u003eCanadian Elevator Code (B44)\u003c\/b\u003e, this is \u003cb data-path-to-node=\"12,0,0\" data-index-in-node=\"68\"\u003enot\u003c\/b\u003e a force-guided safety relay. It must \u003cb data-path-to-node=\"12,0,0\" data-index-in-node=\"109\"\u003enot\u003c\/b\u003e be used for primary safety-critical monitoring (such as door interlock verification) where a welded contact could cause a hazardous condition.\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\"\u003eContact Pitting:\u003c\/b\u003e Over millions of cycles, switching inductive loads (coils\/motors) causes carbon buildup on the silver-cadmium oxide contacts. If the relay \"clicks\" but the circuit fails, check for high resistance across the DPDT blades.\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\"\u003eCoil Resistance:\u003c\/b\u003e The 24V DC coil has a nominal resistance of approximately \u003cb data-path-to-node=\"12,2,0\" data-index-in-node=\"75\"\u003e\u003cspan class=\"math-inline\" data-math=\"472 \\Omega\" data-index-in-node=\"75\"\u003e$472 \\Omega$\u003c\/span\u003e\u003c\/b\u003e. An \"Open\" reading indicates a blown coil, often caused by a failed surge suppressor or a high-voltage spike on the 24V rail.\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\"\u003eVisual Inspection:\u003c\/b\u003e The clear \"Ice Cube\" case allows for immediate visual verification of the 2-pole armature movement. Discoloration of the coil winding indicates overheating, often caused by the relay being energized for 100% duty cycle in a high-heat cabinet.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"R.A.M. Parts","offers":[{"title":"Default Title","offer_id":47580643491992,"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_35da7345-2f8c-4c66-86fb-d0ab953163c8.jpg?v=1772734238","url":"https:\/\/parts4rem.ca\/products\/kup-11d15-24-ku","provider":"Parts4REM","version":"1.0","type":"link"}