ABB / General Electric TJK426250 Molded Case Circuit Breaker
- 250A
- 2 Pole
- Bolt-On
Quantity
ABB / General Electric TJK426250 - 250A 2 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
Description
Part of the legacy J600 frame family, this 250A molded case circuit breaker delivers reliable long-time and instantaneous protection for heavy-duty commercial applications. The unit features an interchangeable thermal-magnetic trip system with adjustable magnetic settings for precise coordination. Designed to bolt into GE J600 panelboards, switchboards, and motor control centers, it accommodates 6 AWG to 600 kcmil copper or aluminum conductors.Specifications
| Brand | ABB / General Electric |
|---|---|
| Part Number | TJK426250 |
| Series | TJK |
| Amperage | 250A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 42kA @ 240VAC, 30kA @ 480VAC, 22kA @ 600VAC, 20kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | GE J600 Panelboards, Switchboards, Motor Control Centers |
| Wire Gauge | (1) 6 AWG-600 kcmil (Cu/Al) or (2) 2/0 AWG-250 kcmil (Cu/Al) |
| Max Wire | 600 kcmil |
| Min Wire | 6 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 | Line Lugs Sold Separately (Requires TCAL43) |
| Standards | CSA C22.2 No. 5, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Interchangeable Trip Unit, HACR Rated, Trip-Free Mechanism, Quick-Make/Quick-Break |
Product FAQs
6 answersWhich panelboards and enclosures are compatible with the TJK426250?
The TJK426250 is designed for use in GE J600 panelboards, switchboards, and motor control centers.
What wire sizes are accepted by the lugs on the TJK426250?
The standard lugs accept either one 6 AWG to 600 kcmil copper or aluminum wire, or two 2/0 AWG to 250 kcmil copper or aluminum wires per phase.
Can the TJK426250 be used in DC electrical systems?
Yes, this breaker is rated for DC applications with an interrupting capacity of 20kA at 250VDC.
How does the thermal magnetic trip unit function on this breaker?
The TJK426250 features a fixed thermal and adjustable magnetic trip unit, providing both long-time and instantaneous protection functions.
Is the TJK426250 part of the GE J-Frame family?
Yes, the TJK426250 belongs to the legacy GE J600 line of molded case circuit breakers, commonly referred to as J-Frames.
How is the TJK426250 installed into a panelboard?
This is a bolt-on circuit breaker that requires compatible mounting hardware to secure it to the busbars in GE J600 panelboards or switchboards.
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Reviews
Review summary
Customers rate this product 4.7 out of 5 based on 3 reviews.
- BRBrian R.ReviewingGeneral Electric TJK636F000 Circuit Breaker FrameI recommend this productRated 5 out of 5 stars11/23/20600 AMp breaker
Excellent Price, Excellent Service, speedy delivery!
- JTJames T.ReviewingGeneral Electric TJK636F000 Circuit Breaker FrameI recommend this productRated 5 out of 5 stars8/16/20Replacement breaker needed!
As usual ....the folks at Superbreakers delivered on their promise.
- JMJohn M.ReviewingABB / General Electric TJK636300WL - 300A 3 Pole Molded Case Circuit BreakerI recommend this productRated 4 out of 5 stars10/4/17Dolphins Car Wash
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