ABB / General ElectricTHLC136100WL
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ABB / General Electric THLC234150WL Molded Case Circuit Breaker
- 150A
- 3 Pole
- Unit Mount
ABB / General Electric
THLC234150WL
Molded Case Circuit Breaker
Brand
ABB / General Electric
SKU
THLC234150WL
Quantity
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ABB / General Electric THLC234150WL - 150A 3 Pole Molded Case Circuit Breaker
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Description
Designed for standalone mounting, this 150-amp current-limiting circuit breaker features a unit-mount configuration with factory-installed line and load lugs. It installs into GE switchboards, motor control centers, and individual enclosures where bolt-on panel connections are not required. The thermal-magnetic trip unit delivers reliable protection with a 200 kAIC rating at 480VAC. Note that this legacy Q-Line model has been replaced by the GE XT Series for newer installations.Specifications
| Brand | ABB / General Electric |
|---|---|
| Part Number | THLC234150WL |
| Series | THLC |
| Amperage | 150A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC |
| Phase | 3 |
| AIC Rating | 200kA @ 240VAC, 200kA @ 480VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | GE Switchboards, Motor Control Centers, Individual Enclosures |
| Wire Gauge | 4 AWG - 300 kcmil (Cu/Al) |
| Max Wire | 300 kcmil |
| Min Wire | 4 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Lug Kit |
|---|---|
| Accessories | Line and Load Lugs |
| Standards | UL 489, NEMA AB-1 |
| Approval | UL |
| Temp Rating | 40C |
| Construction Features | Current Limiting, High Interrupting Capacity, HACR Rated, Non-Interchangeable Trip |
| Special Features | Current Limiting |
Product FAQs
5 answersWhat enclosures and panels are compatible with the THLC234150WL?
This feed-thru circuit breaker is designed for installation in GE switchboards, motor control centers, and individual enclosures. It is not designed for snap-in panelboard applications.
What does the current-limiting designation mean for the THLC234150WL?
As a current-limiting breaker, it is engineered to clear high-level short circuits extremely fast. By interrupting the fault before the current reaches its peak, it significantly reduces the let-through energy, protecting downstream components from severe thermal and mechanical stress.
Are the trip settings on the THLC234150WL adjustable?
No. This breaker is equipped with a thermal-magnetic trip unit that has fixed thermal and fixed magnetic settings. It provides standard long-time and instantaneous (LI) protection without field adjustability.
How is the THLC234150WL physically mounted?
It utilizes a unit-mount, feed-thru configuration. This means the breaker is bolted directly to the backpan or mounting surface of the enclosure, and conductors are terminated at both the line and load lugs.
Is the GE THLC234150WL still in active production?
The THLC series is officially obsolete and no longer manufactured by ABB / General Electric. However, replacement units remain available to support and maintain existing switchboards and motor control centers.
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