ABB / General ElectricTHEF136050
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ABB / General Electric THEF136040 Molded Case Circuit Breaker
- 40A
- 3 Pole
- Bolt-On
ABB / General Electric
THEF136040
Molded Case Circuit Breaker
Brand
ABB / General Electric
SKU
THEF136040
Quantity
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ABB / General Electric THEF136040 - 40A 3 Pole Molded Case Circuit Breaker
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Description
Part of the legacy TEF series, the THEF136040 is a 3-pole, 40A molded case circuit breaker built for commercial power distribution. It provides essential long-time and instantaneous (LI) trip functions to protect electrical systems. This bolt-on MCCB installs into GE A-Series panelboards, switchboards, and motor control centers. It serves as an exact replacement for older installations, though superseded by the THED136040. Rated 25kAIC at 480V, it features a non-interchangeable trip unit.Specifications
| Brand | ABB / General Electric |
|---|---|
| Series | THEF |
| Amperage | 40A |
| 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 | Lugs Included |
| Standards | CSA C22.2 No. 5, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40°C |
| Construction Features | HACR Rated, High Interrupting Capacity, Non-Interchangeable Trip, Common Trip |
Product FAQs
6 answersWhich panelboards and enclosures are compatible with the THEF136040 breaker?
This E-frame breaker is designed for use in GE A-Series panelboards, GE switchboards, and compatible motor control centers.
What wire sizes are accepted by the lugs on the THEF136040?
The factory lugs accept 14 to 3 AWG copper wire or 12 to 1 AWG aluminum wire.
Can the THEF136040 be used in DC voltage systems?
Yes, this breaker is rated for DC applications up to 250VDC, providing an interrupting capacity of 10kAIC at that voltage.
Are the thermal and magnetic trip settings adjustable on this breaker?
No, the THEF136040 features a fixed thermal and fixed magnetic trip unit. The long-time and instantaneous trip functions cannot be adjusted in the field.
Why is this breaker listed under both ABB and General Electric?
ABB acquired GE Industrial Solutions in 2018. As a result, THEF frame breakers may carry either GE or ABB branding, but they are physically and electrically identical.
Does this breaker snap into the panelboard bus?
No, the THEF136040 requires a bolt-on connection to secure it to the panelboard bus.
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