Liftmaster K072A0035, FUSE, 3AB, 10A, 250V
The LiftMaster K072A0035 is a 3AB, 10A, 250V fuse used as a protective electrical component in select LiftMaster and Chamberlain opener and operator applications. The fuse is designed to open the circuit when current exceeds the intended rating, helping protect the equipment from electrical faults.
A blown fuse may be the result of a one-time surge, but it can also point to a shorted accessory, wiring problem, water intrusion, damaged board, failed transformer, or incorrect part connected to the operator. If a replacement fuse blows again, the system needs diagnosis before another fuse is installed.
Fuse selection must match the rating and body style. Do not install a larger amp fuse or bypass the fuse holder. Doing so can damage equipment and create a safety hazard.
Features & Specifications
| Manufacturer | LiftMaster / Chamberlain Group |
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| Product Type | Replacement fuse |
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| Part Number | K072A0035 |
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| Fuse Type | 3AB |
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| Amp Rating | 10A |
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| Voltage Rating | 250V |
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| Application | Circuit protection for select opener and gate/barrier operator systems |
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| Notes | Match rating and parts diagram before replacement |
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Compatible With
Compatible with select LiftMaster and Chamberlain equipment where the parts diagram specifies K072A0035, including:
- Various LiftMaster belt drive garage door openers using a 3AB 10A 250V fuse
- Various Chamberlain belt drive garage door openers using a 3AB 10A 250V fuse
- Select LiftMaster garage door opener models where 072A0035 / 72A35 is listed
- Select LiftMaster gate operator applications where this fuse is specified
- Select LiftMaster barrier gate operator applications where this fuse is specified
Also Known As / Related Part Numbers
- K072A0035
- 072A0035
- 72A35
- 3AB 10A 250V fuse
- LiftMaster 10 amp fuse
- Chamberlain 10 amp fuse
Technician Note
If the fuse fails repeatedly, do not keep replacing it. Look for shorted accessory wiring, water intrusion, damaged control board components, incorrect voltage, or a failed transformer.
Before Ordering Checklist
- Match the original fuse rating: 3AB, 10A, 250V.
- Confirm the equipment parts diagram lists K072A0035 or 72A35.
- Inspect the fuse holder for heat damage or corrosion.
- Check accessory wiring before replacing a repeatedly blown fuse.
- Never bypass the fuse or increase the amp rating.
Professional Advisory
Fuse replacement can involve line-voltage equipment. If the cause of the blown fuse is not obvious or the replacement fuse blows again, have a qualified gate or garage door technician troubleshoot the system.
Important Ordering Warnings
- Do not bypass this fuse.
- Do not install a higher amp fuse to prevent nuisance blowing.
- Repeated fuse failure means another fault likely exists.
Product Questions & Answers
What rating is K072A0035?
K072A0035 is a 3AB style 10A, 250V fuse.
What does a blown fuse mean?
A blown fuse may indicate a surge, short, overload, wiring problem, or failed component. If it blows again, the system needs troubleshooting.
Can this fuse be used in gate operators?
Some supplier references list use with select LiftMaster gate or barrier operators, but the operator parts diagram must call for this exact fuse.
Are 72A35 and K072A0035 related?
Yes. 72A35 and 072A0035 are common related numbers for K072A0035.
Can I use a 15A fuse instead?
No. Use the correct rating specified by the manufacturer. A higher amp fuse can damage equipment and create a safety risk.
