Product Overview
The LiftMaster K25-2006 is a 6 amp overload switch used as a protective electrical component in select LiftMaster commercial door and gate operator assemblies. It is commonly found in the electrical box or control area where the operator parts list calls for a 6A overload. The purpose of the overload is to help protect the circuit when current demand exceeds the intended rating for that part of the operator system.
This part should be matched by rating and part number, not by appearance alone. LiftMaster uses multiple overload ratings across commercial operators, and a 6A overload is not the same as a 10A overload or other protective devices used in different electrical boxes. If the overload has been tripping repeatedly, the root cause may be a failing motor, brake issue, binding door or gate, incorrect voltage, wiring problem, or damaged control component.
Compatible With
- Select LiftMaster commercial door operator electrical boxes
- Select LiftMaster commercial gate operators
- Commercial operator assemblies that list K25-2006, G252006, or 25-2006 in the parts diagram
- May be used in replacement electrical box service where a 6A overload is specified
- Not a substitute for K25-2010 10A overload or other amp-rated overloads
Features and Specifications
| Manufacturer | LiftMaster |
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| Product Type | Overload switch / overload protector |
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| Part Number | K25-2006 |
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| Application | Commercial door and gate operator electrical protection |
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| Compatible Operator Type | Select LiftMaster commercial door and gate operators |
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| Current Rating | 6A |
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| Related Electrical Rating | Match operator electrical box and parts diagram |
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| Notes | Do not replace with a different amp rating unless specified by the manufacturer |
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Also Known As / Related Part Numbers
- K25-2006
- 25-2006
- G252006
- LiftMaster 6A overload
- 6 amp overload switch
Technician Note
Repeated overload trips should not be treated as a bad overload automatically. Check for mechanical drag, wrong input power, motor problems, brake problems, shorted wiring, or a failing control component before returning the operator to service.
Before Ordering
- Confirm the operator parts diagram calls for K25-2006 or 25-2006.
- Match the 6A rating on the original overload.
- Verify operator voltage, phase, and electrical box configuration.
- Compare terminal style and mounting location.
- Have a qualified technician inspect repeated overload trips.
Important Ordering Warnings
- Do not replace a 6A overload with a higher amp overload to stop nuisance tripping.
- High-voltage commercial operator electrical boxes should only be serviced by qualified personnel.
Professional Advisory
Commercial door and gate operators can contain high-voltage wiring and moving parts. Disconnect power and follow lockout procedures before service. If the overload trips again after replacement, the operator should be diagnosed before continued use.
Product Questions and Answers
What is the amp rating of K25-2006?
K25-2006 is a 6 amp overload switch.
Is K25-2006 used on gate operators or door operators?
It is listed for various LiftMaster commercial door operator electrical boxes and commercial gate operators where the parts diagram calls for this 6A overload.
No. K25-2006 is the 6A overload, while K25-2010 is commonly listed as a 10A overload. They should not be swapped unless the correct parts diagram specifically allows it.
What are the related part numbers?
Related numbers include G252006 and 25-2006.
Why does the overload keep tripping?
Repeated tripping may point to a motor, brake, wiring, voltage, binding door, or gate load issue. A technician should diagnose the cause before the operator is placed back in service.
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