LiftMaster K75-10128 Low-Profile Electrical-Box Cover
LiftMaster K75-10128 Low-Profile Electrical-Box Cover
The LiftMaster K75-10128 identifies the low-profile electrical-box cover service component for the matching documented commercial-door operator enclosure. Select it by the actual box and current parts recommendation rather than the general operator shape. A low-profile cover is separate from a cube-style cover, a complete enclosure and all of the control components mounted inside the box. Select the replacement by the complete part number and the installed equipment configuration. A similar photograph or a shared LiftMaster brand name does not establish interchangeability. Confirm the applicable service drawing before ordering so the repair addresses the correct component and its related mounting, connection and operating requirements.
Compatibility — Models, Versions and Exclusions
| Model or selection point | Compatibility requirement |
|---|---|
| Approved low-profile enclosure | Match K75-10128 in the actual service list. |
| Cube-style or later covers | Different shapes and references must be checked. |
| Attachment points | Confirm mounting geometry and actual box condition. |
| Electrical components | Cover replacement does not repair internal circuit faults. |
Identify the Assembly and Plan the Repair
Inspect the enclosure edges, attachment points and the cause of cover damage before choosing the repair. A bent or corroded box can prevent a replacement cover from fitting correctly. Check that internal wiring and components remain in the intended positions and will not interfere with the approved cover clearance.
Confirm the current cover package and any required separate attachment pieces. A cover alone does not establish a new weather rating, replace grounding arrangements or convert one enclosure style into another. Have qualified personnel isolate the equipment before opening the box, restore the intended enclosure and wiring protection and complete the operator’s required operating and protection checks after service.
An electrical symptom does not identify the failed component by itself. Have qualified service personnel inspect the supply, wiring, connections and equipment condition before replacing parts. Record existing labels and terminal references with power safely isolated. A replacement should restore the documented circuit arrangement; it should not be used to change operating voltage, defeat a protective function or compensate for a mechanical load that the equipment cannot safely move.
Specifications and Product Identification
| Specification | Details |
|---|---|
| Ordering reference | K75-10128 |
| Component | Low-profile electrical-box cover |
| Manufacturer reference | K75-10128 |
| Selection check | Exact enclosure shape and attachment arrangement |
| Package distinction | Cover rather than populated electrical box |
Before Ordering
- Record the full operator and enclosure identification.
- Match the actual low-profile cover recommendation.
- Inspect box edges, fasteners and internal clearances.
- Confirm current supplied cover and separate hardware.
Package Contents and Separate Requirements
This offer identifies the low-profile cover. A complete electrical box, board, transformer, relays, gasket, fastening hardware and commercial-door operator are not established as included. Confirm current supplied pieces and the approved enclosure requirements before purchasing separate damaged hardware or electrical components.
Safety Warnings — Read Before Installation or Service
- WARNING: Electrical service can expose hazardous voltage and moving equipment. Use qualified service personnel and electrical personnel where required.
- Disconnect every applicable mains, battery and auxiliary supply before work. Follow the equipment instructions for stored energy and safe isolation.
- Do not bypass grounding, overload protection, monitored safety devices or fire-control functions to make the equipment operate. Diagnose the underlying fault.
- Restore covers and wiring protection, then complete the model-specific functional and safety checks before returning the installation to normal use.
Related Products and Important Differences
- CPS-U monitored photo eyes — separate protection devices for approved commercial-door controls; match the operator and environment.
- TDC12X1BMC MAXUM trolley operator — a complete-operator comparison, not evidence that this legacy service part fits MAXUM.
Frequently Asked Questions
Is it the complete electrical box?
No. This reference identifies the low-profile cover component.
Will a cube-style box accept it?
No general cross-style fit is established. Match the actual enclosure drawing.
Does it provide a new weather rating?
No new rating is established by replacing the cover. Retain the approved complete enclosure arrangement.
Can it fix a distorted box?
No. Correct the supporting enclosure damage so the cover can fit and protect the components as intended.
Need Help Confirming the Right Product?
Contact Garage-DoorParts.com before ordering. 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.
Details
Need Help With Compatibility?
Not sure if this is the correct part for your garage door, operator, gate system, or application? Contact Us before ordering — we’re happy to help.
Garage-DoorParts.com carries a large selection of residential and commercial parts, and many components can look similar while having important differences in dimensions, model numbers, voltage, mounting, or compatibility.
For the best assistance, please provide as much information as possible, including the manufacturer, model number, part number, door or operator type, dimensions, and clear photos of the existing part or equipment.
Our goal is to help you identify the correct product before you order and reduce the possibility of ordering an incompatible part.
Contact Us with your product questions and compatibility information, and we’ll do our best to point you in the right direction.
Shipping & Returns
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We are committed to ensuring a positive shopping experience for all our customers. If for any reason you wish to return an item, we invite you to reach out to our team for assistance, and we will evaluate every return request with care and consideration.