ABB / General Electric TJK636350 Molded Case Circuit Breaker
- 350A
- 3 Pole
- Unit Mount
Quantity
ABB / General Electric TJK636350 - 350A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
Description
Engineered for heavy-duty commercial use, the TJK636350 is a 350-amp molded case circuit breaker from the legacy J600 family. It delivers reliable long-time and instantaneous trip functions for industrial power systems. This unit-mount MCCB fits seamlessly into GE J600 panelboards, switchboards, and J-Frame enclosures. While replaced by the Tmax XT5, this breaker remains essential for maintaining existing infrastructure. It features a 42 kAIC rating at 240V and includes load side lugs.Specifications
| Brand | ABB / General Electric |
|---|---|
| Part Number | TJK636350 |
| Series | TJK |
| Amperage | 350A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC, 500VDC |
| Phase | 3 |
| AIC Rating | 42kA @ 240VAC, 30kA @ 480VAC, 22kA @ 600VAC, 20kA @ 250VDC, 20kA @ 500VDC |
| Frame Type | TJK |
|---|---|
| Terminal Type | Lugs |
| For Use With | GE J600 Panelboards, Switchboards, Motor Control Centers, J-Frame Enclosures |
| Wire Gauge | (2) 4/0 AWG-350 kcmil (Cu) or (2) 300-500 kcmil (Al) |
| Max Wire | 500 kcmil |
| Min Wire | 4/0 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, Padlock Attachment, Line Side Lugs |
|---|---|
| Accessories | Load Side Lugs Included (TCAL63) |
| Standards | CSA C22.2 No. 5, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Interchangeable Trip Unit, Adjustable Instantaneous Trip, Reverse Feed |
Product FAQs
6 answersWhich panelboards and enclosures are compatible with the TJK636350 breaker?
This J-Frame breaker is designed for use in GE J600 panelboards, switchboards, motor control centers, and compatible J-Frame enclosures.
What wire sizes are accepted by the standard lugs on this 350A breaker?
The standard lugs accept two 4/0 AWG to 350 kcmil copper conductors, or two 300 to 500 kcmil aluminum conductors per phase.
Does the TJK636350 feature an adjustable trip setting?
Yes, it features a thermal magnetic trip unit with a fixed thermal element for long time protection and an adjustable magnetic element for instantaneous short circuit protection.
Is the TJK636350 rated for direct current (DC) applications?
Yes, this breaker is rated for DC systems, providing up to 20kA interrupting capacity at both 250VDC and 500VDC.
How does the TJK636350 mount into a panel or enclosure?
This is a unit mount, bolt-on circuit breaker. It requires bolted connections to the busbar or mounting assembly rather than snapping or plugging in.
Why might this breaker be branded as either ABB or General Electric?
ABB acquired GE Industrial Solutions in 2018. Depending on the manufacturing date, legacy J-Frame breakers like the TJK636350 may carry either the GE or ABB brand name, but they are physically and electrically identical.
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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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