ABB / General ElectricTLB234225WL
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ABB / General Electric TLB434250 Molded Case Circuit Breaker
- 250A
- 3 Pole
- Unit Mount
ABB / General Electric
TLB434250
Molded Case Circuit Breaker
Brand
ABB / General Electric
SKU
TLB434250
Quantity
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ABB / General Electric TLB434250 - 250A 3 Pole Molded Case Circuit Breaker
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Description
Designed to handle high fault currents, the GE TLB434250 provides 250A of reliable thermal-magnetic protection for industrial facilities. This 3-pole unit mount MCCB belongs to the Tri-Break TB frame family, utilizing an integrally fused architecture to achieve a 50kAIC rating at 480VAC. It mounts securely into compatible GE switchboards and motor control centers. For modernizing legacy systems, this breaker is substituted by the Tmax XT5 series when paired with an appropriate retrofit kit.Specifications
| Brand | ABB / General Electric |
|---|---|
| Part Number | TLB434250-R |
| Series | TLB |
| Amperage | 250A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 50kA @ 480VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | GE Switchboards, Motor Control Centers |
| 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 |
|---|---|
| Accessories | Line and Load Lugs Included |
| Standards | UL 489, NEMA AB 1 |
| Approval | UL |
| Temp Rating | 40C |
| Construction Features | Integrally Fused, Current Limiting, Non-Interchangeable Trip, HACR Rated |
Product FAQs
5 answersWhat equipment is the GE TLB434250 designed to be installed in?
This 250A breaker is engineered specifically for use in GE switchboards and motor control centers that accept Tri-Break TB frame unit mount breakers.
How are the wire connections made on the TLB434250?
The breaker features a bolt-on unit mount design and includes standard line and load lugs for secure wire termination.
What are the specific trip functions of the TLB434250?
It utilizes a fixed thermal magnetic trip unit providing Long-Time and Instantaneous (LI) protection, which is ideal for standard power distribution applications.
Does the TLB434250 provide adjustable trip settings?
No, this breaker features fixed thermal and fixed magnetic trip settings. If your application requires adjustable trip curves, you will need a different breaker model or an electronic trip unit.
Is the TLB434250 part of the GE Tri-Break series?
Yes, it belongs to the GE Tri-Break family of molded case circuit breakers, specifically utilizing the TB frame architecture for industrial applications.
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