{"product_id":"liftmaster-k71-b3ph","title":"LiftMaster K71-B3PH Brake Service Kit — Documented 230\/460V Three-Phase Applications","description":"\u003cp\u003e\u003cstrong\u003eThe LiftMaster K71-B3PH source offer identifies a brake-related service kit for documented 230\/460V three-phase gate-operator applications. Manufacturer SL585U and SL595U diagrams use this reference within the brake-kit listing, while the supplier describes an internal brake-solenoid item. Confirm the current manufacturer replacement and exact package scope before ordering, particularly where newer service information uses K71-B3PH-1. The operator’s supply designation is not an instruction to apply that voltage directly to an individual coil, and a three-phase kit must not be selected as a single-phase substitute.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eCompatibility — Models, Versions and Exclusions\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel or selection point\u003c\/th\u003e\n\u003cth\u003eCompatibility requirement\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDocumented 230\/460V three-phase SL585U \/SL595U\u003c\/td\u003e\n\u003ctd\u003eMatch the actual brake and current manufacturer service reference.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eK71-B3PH-1\u003c\/td\u003e\n\u003ctd\u003eRelated later reference; confirm the supplied replacement rather than assuming identical carton contents.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSingle-phase brake arrangements\u003c\/td\u003e\n\u003ctd\u003eDifferent kit and electrical requirements.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e575V equipment\u003c\/td\u003e\n\u003ctd\u003eSeparately identified brake configuration; not a universal three-phase fit.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndividual solenoid-only repair\u003c\/td\u003e\n\u003ctd\u003eDifferent scope from a full brake service kit; confirm what is actually required.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eResolve the Kit Revision and Brake-Circuit Requirements\u003c\/h2\u003e\u003cp\u003eHave the technician record the complete operator nameplate and the installed brake and solenoid markings. Older diagrams and later service corrections can use different kit references, so compare them before ordering. The source product name alone is insufficient to establish whether the shipment provides an individual solenoid or the broader documented brake assembly.\u003c\/p\u003e\u003cp\u003eInspect the brake linkage, friction components and supply circuit together. A coil-related failure may not be the only defect, and a new solenoid does not repair worn mechanical parts. Use the exact wiring diagram and current service procedure; do not infer a coil connection from the 230\/460V operator-family label or transfer wiring by color alone.\u003c\/p\u003e\u003ch2\u003eSpecifications and Product Identification\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSource SKU\u003c\/td\u003e\n\u003ctd\u003eK71-B3PH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer diagram role\u003c\/td\u003e\n\u003ctd\u003eBrake service kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSource application designation\u003c\/td\u003e\n\u003ctd\u003e230\/460V, three phase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDocumented families\u003c\/td\u003e\n\u003ctd\u003eSL585U \/SL595U; verify exact configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRevision requiring confirmation\u003c\/td\u003e\n\u003ctd\u003eK71-B3PH-1 in later service corrections\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSelection basis\u003c\/td\u003e\n\u003ctd\u003eActual brake circuit, model and supplied kit inventory\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eBefore Ordering\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRecord the complete operator model, supply and phase.\u003c\/li\u003e\n\u003cli\u003ePhotograph the installed brake and solenoid markings.\u003c\/li\u003e\n\u003cli\u003eConfirm the current replacement forK71-B3PH and its exact package scope.\u003c\/li\u003e\n\u003cli\u003eInspect both the mechanical brake and its electrical control before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePackage Contents and Separate Requirements\u003c\/h2\u003e\u003cp\u003eThe manufacturer diagram describes a broader brake kit, while the source calls this an internal brake-solenoid item. Confirm the actual supplied inventory before purchase, including whether brake hardware beyond the solenoid is included. Do not assume a complete brake or a specific set of friction and mounting parts from the short supplier title. Motor, gearbox and complete operator are separate requirements.\u003c\/p\u003e\u003ch2 class=\"safety-warning\"\u003eSafety Warnings — Read Before Installation or Service\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eWARNING: Brake service can allow unexpected gate movement. A qualified gate technician must secure the gate before disturbing the brake or drive.\u003c\/li\u003e\n\u003cli\u003eDisconnect and secure all applicable electrical power before wiring or mechanical work. Use qualified electrical personnel for supply verification.\u003c\/li\u003e\n\u003cli\u003eDo not bypass the brake, force it to remain released or apply an unverified voltage to a solenoid.\u003c\/li\u003e\n\u003cli\u003eAfter service, verify the required brake behavior, travel, reversal and all protection devices before returning the entrance to traffic.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eRelated Products and Important Differences\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/garage-doorparts.com\/products\/liftmaster-lmrrul-monitored-retro-reflective-photo-eye\"\u003eLMRRUL monitored photo eye\u003c\/a\u003e — a separate protection option only where the exact operator and control revision approve it; not a universal legacy retrofit.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/garage-doorparts.com\/products\/liftmaster-lmwekitu-monitored-wireless-edge-kit-for-gate-operators\"\u003eLMWEKITU monitored wireless edge kit\u003c\/a\u003e — a separate edge communication system for approved controls and resistive edges; not a replacement for this mechanical or electrical service part.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eIs this automatically a bare solenoid?\u003c\/h3\u003e\u003cp\u003eDo not assume so. Manufacturer and supplier descriptions use different scope wording; confirm the current kit inventory.\u003c\/p\u003e\u003ch3\u003eDoes 230\/460V mean that voltage goes directly to the coil?\u003c\/h3\u003e\u003cp\u003eNo. Verify the actual brake circuit and component label with the wiring diagram.\u003c\/p\u003e\u003ch3\u003eCan it replace a single-phase kit?\u003c\/h3\u003e\u003cp\u003eNo interchangeability is established; use the kit for the exact electrical configuration.\u003c\/p\u003e\u003ch3\u003eIsK71-B3PH-1 the same shipment as this source SKU?\u003c\/h3\u003e\u003cp\u003eConfirm the current manufacturer replacement and carton contents before ordering; related references do not prove identical inventory.\u003c\/p\u003e\u003ch2\u003eNeed Help Confirming the Right Product?\u003c\/h2\u003e\u003cp\u003e\u003ca href=\"https:\/\/garage-doorparts.com\/pages\/contact\"\u003eContact Garage-DoorParts.com before ordering\u003c\/a\u003e. Send the full equipment model, readable part labels and photographs of the installed assembly. Include the dimensions, electrical configuration or accessory details relevant to your project so the listing can be checked against the actual installation.\u003c\/p\u003e","brand":"Controlled products","offers":[{"title":"Default Title","offer_id":60655791079710,"sku":"K71-B3PH","price":380.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/2781\/5710\/files\/k71-b3ph.jpg?v=1793140009","url":"https:\/\/garage-doorparts.com\/products\/liftmaster-k71-b3ph","provider":"garage-doorparts.com","version":"1.0","type":"link"}