ABB / General ElectricTJJ436200
ABB / General Electric TJJ436125 Molded Case Circuit Breaker
- 125A
- 3 Pole
- Bolt-On
ABB / General Electric
TJJ436125
Molded Case Circuit Breaker
Brand
ABB / General Electric
SKU
TJJ436125
Quantity
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ABB / General Electric TJJ436125 - 125A 3 Pole Molded Case Circuit Breaker
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Description
Engineered for commercial and industrial applications, the GE TJJ436125 provides reliable overcurrent protection as a 125-amp, 3-pole molded case circuit breaker. It belongs to the legacy J-Frame family, serving demanding electrical distribution systems. This bolt-on MCCB mounts into GE A-Series panelboards, Spectra Series switchboards, and compatible motor control centers. Rated for 42kAIC at 240VAC and 30kAIC at 480VAC, it features a non-interchangeable thermal-magnetic trip unit.Specifications
| Brand | ABB / General Electric |
|---|---|
| Series | TJJ |
| Amperage | 125A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC, 500VDC |
| Phase | 3 |
| AIC Rating | 42kA @ 240VAC, 30kA @ 480VAC, 22kA @ 600VAC, 20kA @ 250VDC, 20kA @ 500VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | GE A-Series Panelboards, GE Spectra Switchboards, GE Motor Control Centers |
| Wire Gauge | (1) 6 AWG-600 kcmil 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 | Load Side Lugs Included |
| Standards | CSA C22.2 No. 5, NEMA AB 1, UL 489 |
| Approval | CSA, HACR, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, Non-Interchangeable Trip |
Product FAQs
5 answersWhich panelboards and switchboards accept the TJJ436125 breaker?
This legacy J-Frame breaker is designed for bolt-on installation in GE A-Series panelboards, GE Spectra switchboards, and GE motor control centers.
What wire sizes are supported by the lugs on the TJJ436125?
The standard lugs accept either one 6 AWG to 600 kcmil conductor or two 2/0 AWG to 250 kcmil conductors. The terminals are rated for both copper and aluminum wiring.
Are the trip settings adjustable on this 125A breaker?
The TJJ436125 features a thermal-magnetic trip unit with a fixed thermal element for long-time overload protection and an adjustable magnetic element for instantaneous short-circuit protection.
Is the TJJ436125 rated for direct current (DC) systems?
Yes, this breaker is rated for DC applications up to 500VDC. It provides a 20kA interrupting rating at both 250VDC and 500VDC.
Will I receive an ABB or GE branded breaker for the TJJ436125?
Following ABB's acquisition of GE Industrial Solutions, this legacy J-Frame breaker may carry either the GE or ABB logo. The physical dimensions, mounting, and electrical specifications are identical regardless of the brand printed on the label.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 1 review.
Total 5 star reviews: 1 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
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1 review
- MWMichael W.Verified BuyerReviewingABB / General Electric TJJ436300WL - 300A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars7/28/25TJJ436300WL 3 Pole Circuit Breaker
Great fast shipping on many orders we have placed with Super Breakers, a very good reliable disturber for our business.