ABB / General ElectricTEF134050
ABB / General Electric TEF134040 Molded Case Circuit Breaker
- 40A
- 3 Pole
- Bolt-On
ABB / General Electric
TEF134040
Molded Case Circuit Breaker
Brand
ABB / General Electric
SKU
TEF134040
Quantity
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ABB / General Electric TEF134040 - 40A 3 Pole Molded Case Circuit Breaker
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Description
The TEF134040 is a 3-pole, 40-amp molded case circuit breaker from GE's legacy E-Frame series. Built for commercial power distribution, it delivers reliable long-time and instantaneous protection. Designed for bolt-on installation, it fits into GE A-Series panelboards and switchboards. For modern upgrades, it is replaced by the TED134040 model. Rated 14kAIC at 480VAC, it includes a common trip bar and quick-make/quick-break mechanism. The breaker is HACR rated and includes TCAL12 lugs.Specifications
| Brand | ABB / General Electric |
|---|---|
| Series | TEF |
| Amperage | 40A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 18kA @ 240VAC, 14kA @ 480VAC, 10kA @ 250VDC |
| Frame Type | TEF |
|---|---|
| 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 (Cu), 1 AWG (Al) |
| Min Wire | 14 AWG (Cu), 12 AWG (Al) |
| 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, Lug Kit (TCAL12) |
|---|---|
| Accessories | Includes TCAL12 Lugs |
| Standards | HACR, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Common Trip, Non-Interchangeable Trip, Quick-Make/Quick-Break |
Product FAQs
5 answersWhat equipment is compatible with the TEF134040 breaker?
This bolt-on E-frame breaker is designed for installation in GE A-Series panelboards, GE switchboards, and motor control centers.
What wire sizes do the factory lugs on this breaker accept?
The included lugs accommodate 14 to 3 AWG copper wire or 12 to 1 AWG aluminum wire.
Is the TEF134040 suitable for direct current applications?
Yes, this breaker is rated for use in DC systems up to 250VDC, providing an interrupting capacity of 10kAIC at that voltage.
Why is this breaker listed under both ABB and General Electric?
ABB acquired GE Industrial Solutions in 2018. Legacy GE breakers like the TEF series are now managed under the ABB brand portfolio.
Does this breaker offer adjustable trip settings?
No, the TEF134040 features a thermal magnetic trip unit with fixed long time and fixed instantaneous trip functions.
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Reviews
Review summary
Customers rate this product 4.5 out of 5 based on 2 reviews.
Total 5 star reviews: 1 Total 4 star reviews: 1 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
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Rating
2 reviews
- PEPreferred E.Verified BuyerReviewingABB / General Electric TEF134100 - 100A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars7/27/26Breaker is in great shape
Professional operation for description and delivery. SuperBreakers is our go to for all breakers!
- CMCalvin M.Verified BuyerReviewingABB / General Electric TEF113020 - 20A 1 Pole Molded Case Circuit BreakerI recommend this productRated 4 out of 5 stars6/30/26Lifesavers
We repair a lot of old electrical systems that require old breakers. Superbreakers haven't let us down yet. Their response time and delivery time is great! They have been lifesavers!