ABB / General Electric THJK436350WL Molded Case Circuit Breaker
- 350A
- 3 Pole
- Unit Mount
Quantity
ABB / General Electric THJK436350WL - 350A 3 Pole Molded Case Circuit Breaker
New
Quantity
Quantity
ABB / General Electric THJK436350WL - 350A 3 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | ABB / General Electric |
|---|---|
| Part Number | THJK436350WL |
| Series | THJK |
| Amperage | 350A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC, 500VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 25kA @ 600VAC, 40kA @ 250VDC, 20kA @ 500VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | GE J600 Enclosures, GE A-Series Panelboards, GE Switchboards, GE 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 |
|---|---|
| Accessories | Line and Load Lugs (TCAL43) |
| Standards | CSA C22.2 No. 5.1, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | High Interrupting Capacity, Interchangeable Trip Unit, Reverse Feed, Trip-Free Mechanism |
Quantity
ABB / General Electric THJK436350WL - 350A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | ABB / General Electric |
|---|---|
| Part Number | THJK436350WL-R |
| Series | THJK |
| Amperage | 350A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC, 500VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 25kA @ 600VAC, 40kA @ 250VDC, 20kA @ 500VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | GE J600 Enclosures, GE A-Series Panelboards, GE Switchboards, GE 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 |
|---|---|
| Accessories | Line and Load Lugs (TCAL43) |
| Standards | CSA C22.2 No. 5.1, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | High Interrupting Capacity, Interchangeable Trip Unit, Reverse Feed, Trip-Free Mechanism |
Description
Built for commercial and industrial facilities, the THJK436350WL is a 3-pole, 350A molded case circuit breaker from GE. It delivers reliable long-time and instantaneous (LI) protection with an interchangeable trip unit and a trip-free mechanism. This unit mount MCCB installs into GE A-Series panelboards, J600 enclosures, and switchboards. It includes TCAL43 lugs for immediate wiring. This legacy frame is replaced by the ABB Tmax XT5 series using a retrofit kit.Specifications
| Brand | ABB / General Electric |
|---|---|
| Part Number | THJK436350WL |
| Series | THJK |
| Amperage | 350A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC, 500VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 25kA @ 600VAC, 40kA @ 250VDC, 20kA @ 500VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | GE J600 Enclosures, GE A-Series Panelboards, GE Switchboards, GE 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 |
|---|---|
| Accessories | Line and Load Lugs (TCAL43) |
| Standards | CSA C22.2 No. 5.1, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | High Interrupting Capacity, Interchangeable Trip Unit, Reverse Feed, Trip-Free Mechanism |
Product FAQs
6 answersWhat does the "WL" suffix mean in the THJK436350WL catalog number?
The "WL" suffix indicates that the circuit breaker is supplied from the factory with both line and load lugs included.
Can the THJK436350WL circuit breaker be reverse fed?
Yes, GE THJK series molded case circuit breakers are UL listed for reverse feed applications.
What is the adjustable magnetic trip range for this 350A breaker?
The instantaneous magnetic trip on the 350A interchangeable trip unit can be adjusted between 1050A and 3500A.
Is the GE THJK series still being manufactured, or is there a direct replacement?
The GE J600 line, which includes the THJK series, is a legacy product. Following the acquisition of GE Industrial Solutions by ABB, the ABB Tmax XT series is the modern replacement. Retrofit kits are available to install Tmax XT breakers into existing GE panelboards and switchboards.
Are the trip units on the THJK436350WL fixed or interchangeable?
This breaker features an interchangeable thermal magnetic trip unit. The 350A trip unit can be removed and replaced in the field if different protection parameters are required for the J600 frame.
What are the wire size requirements for the lugs on this breaker?
The included 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.
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