ABB / General ElectricTHEF136030
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ABB / General Electric THEF136020 Molded Case Circuit Breaker
- 20A
- 3 Pole
- Bolt-On
ABB / General Electric
THEF136020
Molded Case Circuit Breaker
Brand
ABB / General Electric
SKU
THEF136020
Quantity
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ABB / General Electric THEF136020 - 20A 3 Pole Molded Case Circuit Breaker
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Description
Providing essential overcurrent protection, the 20-amp THEF136020 is a 3-pole thermal-magnetic breaker from GE. It is engineered for reliable performance in industrial environments. This legacy E-Frame device installs into standard GE A-Series panelboards and motor control centers using a secure bolt-on connection. It is cross-referenced to be replaced by the THED136020. It features a robust 65kA interrupting capacity at 240VAC and supports up to 600VAC. The breaker is fully HACR rated.Specifications
| Brand | ABB / General Electric |
|---|---|
| Series | THEF |
| Amperage | 20A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 25kA @ 480VAC, 18kA @ 600VAC, 10kA @ 250VDC |
| Frame Type | THEF |
|---|---|
| Terminal Type | Lugs |
| For Use With | GE A-Series Panelboards, GE Switchboards, Motor Control Centers |
| Wire Gauge | 14-3 AWG (Cu), 12-1 AWG (Al) |
| Max Wire | 3 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | Line and Load Lugs |
| Standards | CSA C22.2 No. 5, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High Interrupting Capacity, Non-Interchangeable Trip, Common Trip |
Product FAQs
8 answersWhat panelboards are compatible with the THEF136020?
This E-Frame breaker is designed for installation in GE A-Series panelboards, GE switchboards, and motor control centers.
Is there a direct replacement for the legacy THEF136020?
Yes, the THEF136020 is a legacy GE E-Frame breaker that is cross-referenced to be replaced by the THED136020.
What wire sizes are accepted by the lugs on this breaker?
The standard line and load lugs accept 14 to 3 AWG copper (Cu) wire or 12 to 1 AWG aluminum (Al) wire.
Can the THEF136020 be used in DC power systems?
Yes, in addition to standard AC systems, this breaker is rated for use in DC applications up to 250VDC with a 10kAIC interrupting capacity.
What type of protection does the LI trip function provide?
The LI designation means the thermal-magnetic trip unit includes fixed Long-Time protection against gradual overloads and fixed Instantaneous protection against severe short circuits.
How does the THEF136020 mount into a panelboard?
It utilizes a bolt-on connection, meaning it must be mechanically fastened to the busbars of compatible GE A-Series panelboards or switchboards rather than snapping into place.
Is the THEF136020 HACR rated?
Yes, this breaker is HACR rated, making it suitable for use with heating, air conditioning, and refrigeration equipment.
What frame family does the THEF136020 belong to?
It is part of the legacy GE E-150 line of molded case circuit breakers, specifically the high-interrupting THEF frame.
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