ABB / General Electric THJK436150 Molded Case Circuit Breaker
- 150A
- 3 Pole
- Unit Mount
Quantity
ABB / General Electric THJK436150 - 150A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
Description
Engineered for commercial and industrial applications, this 150A molded case circuit breaker provides robust overcurrent defense. It installs into GE J600 enclosures, A-Series panelboards, and motor control centers. Rated for 65kAIC at 240VAC, the unit features an interchangeable trip mechanism and fixed thermal with adjustable magnetic settings. This legacy J-Frame model includes load-side lugs and can be replaced by the Tmax XT4 series using a retrofit kit.Specifications
| Brand | ABB / General Electric |
|---|---|
| Part Number | THJK436150 |
| Series | THJK |
| Amperage | 150A |
| 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, Line Side Lugs |
|---|---|
| Accessories | Load Side Lugs Included (TCAL43) |
| Standards | CSA C22.2 No. 5, 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 answersWhich panelboards and enclosures are compatible with the THJK436150?
This J Frame breaker is designed for use in GE A Series panelboards, GE switchboards, GE motor control centers, and standalone GE J600 enclosures.
What are the accepted wire sizes for the lugs on this breaker?
The factory lugs accept either a single copper or aluminum conductor from 6 AWG to 600 kcmil, or dual conductors from 2/0 AWG to 250 kcmil. Ensure proper torque specifications are followed during installation.
Does the THJK436150 feature adjustable trip settings?
Yes, this thermal magnetic breaker features a fixed thermal element for long time overload protection and an adjustable magnetic element for instantaneous short circuit protection.
Is this circuit breaker rated for direct current systems?
Yes, it carries DC interrupting ratings of 40kA at 250VDC and 20kA at 500VDC, making it suitable for specific industrial DC applications.
Why is this breaker listed under both ABB and General Electric?
ABB acquired GE Industrial Solutions in 2018. Legacy GE molded case circuit breakers like the THJK series are now manufactured and supported under the ABB brand portfolio while retaining their original GE catalog numbers.
What is the mounting style for the THJK436150?
This is a unit mount, bolt on circuit breaker. It requires bolted connections to the busbar or mounting pan and is not compatible with plug in style panelboards.
SuperClub
Join free. Get 500 SuperPoints.
Earn points on eligible purchases and redeem them at checkout.
100 SuperPoints = $1 off.
Warranties
Add an extra year of protection
60-Day Warranty
Your purchase includes 60 days of SuperBreakers warranty coverage.
Add a 1-year warranty extension in your cart.
Get a Quote
Don’t see what you’re looking for?
We source obsolete and hard-to-find parts every day.
Shipping
Free Shipping Policy
Parcel shipments with item value over $99 qualify for free economy shipping within the continental US. Please call to confirm special handling instructions. We do not charge a handling fee or require a minimum amount on any order. SuperBreakers does not ship on customer accounts.
Same Day Shipping
We strive to ship out your items the same day the order is placed. In rare circumstances SuperBreakers may reserve up to 5 business days to consolidate orders for complete shipment.
Expedited Shipments
Orders being shipped via Next Day Air, 2 Day Shipping or 3 Day Shipping must be received by 3 PM EST to guarantee same-day shipments. Expedited orders only ship on normal business days. Shipments will NOT be sent out on Saturdays and Sundays.
International Shipping
All International orders require a $1,000 minimum order threshold. Due to the special nature of these shipments, we require that these be placed with a SuperBreakers representative. Additional shipping and instructions will apply. All International Orders are Non-Cancel and Non-Refundable.