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ABB / General Electric TFK236125 Molded Case Circuit Breaker
- 125A
- 3 Pole
- Bolt-On
ABB / General Electric
TFK236125
Molded Case Circuit Breaker
Brand
ABB / General Electric
SKU
TFK236125
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ABB / General Electric TFK236125 - 125A 3 Pole Molded Case Circuit Breaker
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Description
Part of GE's legacy F-Frame lineup, the TFK236125 is a 3-pole, 125A molded case circuit breaker built for commercial applications. It features a thermal magnetic trip unit with fixed thermal and adjustable magnetic settings (LI) to handle overloads. This bolt-on breaker installs into GE A-Series panelboards, motor control centers, and switchboards. It serves as a direct replacement for older installations. Rated for 22kAIC at 480V, the unit is HACR rated and supports interchangeable trip units.Specifications
| Brand | ABB / General Electric |
|---|---|
| Part Number | TFK236125-R |
| Series | TFK |
| Amperage | 125A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 25kA @ 240VAC, 22kA @ 480VAC, 18kA @ 600VAC, 10kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | GE A-Series Panelboards, Switchboards, Motor Control Centers, Enclosures |
| Wire Gauge | 4 AWG - 300 kcmil (Cu/Al) |
| Max Wire | 300 kcmil |
| Min Wire | 4 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Lug Kits |
|---|---|
| Accessories | Load Lugs |
| Standards | CSA C22.2 No. 5, NEMA AB 1, UL 489 |
| Approval | CSA, HACR, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Interchangeable Trip Unit |
Product FAQs
7 answersWhat is the magnetic trip adjustment range for the TFK236125?
The instantaneous magnetic trip on this 125A breaker is adjustable from 600A to 1250A.
What is the maximum frame rating for the TFK236125?
The TFK236125 utilizes a 225A maximum F-frame (catalog number TFK236F000), which is equipped with a 125A interchangeable trip unit.
Does the TFK236125 support internal accessories?
Yes, this F-frame breaker accepts field-installable internal accessories, including shunt trips (such as the TFKSTA12), auxiliary switches, undervoltage releases, and alarm switches.
Are the trip units on the TFK236125 field-replaceable?
Yes, this breaker features an interchangeable trip unit design. This allows you to replace the thermal magnetic trip unit without removing the entire breaker frame from the panel.
What types of panels accept the TFK236125?
This breaker is designed for bolt-on installation in legacy GE A-Series panelboards, switchboards, and motor control centers that are configured for F-frame breakers.
Is the TFK236125 a current production breaker?
No, the GE TFK series is a legacy F-frame breaker. It is typically sourced as a direct replacement for existing installations to avoid the need to retrofit panels with newer breaker frames.
Is the TFK236125 HACR rated?
Yes, this breaker is HACR rated, making it suitable for overcurrent protection in heating, air conditioning, and refrigeration equipment group motor installations.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 4 reviews.
Total 5 star reviews: 4 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
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Rating
4 reviews
- GTGerald T.Verified BuyerReviewingABB / General Electric TFK236200 - 200A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars2/11/26Super Breakers Purchase
I was referred to the super breakers by one of my vendors. This was my first purchase, but customer service was through the roof and above and beyond I would like to give a shout out to Drew totally awesome guy and I will continue to work with this company in the near future.
- BCBill C.ReviewingABB / General Electric TFK236150 - 150A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars1/19/23breaker availability
You had it in stock and it was received quickly.
- CHChuck H.ReviewingGeneral Electric TFK236T200 Trip UnitI recommend this productRated 5 out of 5 stars6/9/21SUPER
Everything was super. Thanks
- DMDonna M.ReviewingABB / General Electric TFK236Y225 - 225A 3 Pole Molded Case SwitchI recommend this productRated 5 out of 5 stars2/14/17Breaker was just the match
Breaker was just the match we needed to complete our job. Part came quick.