ABB / General ElectricTLB234150
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ABB / General Electric TLB134100 Molded Case Circuit Breaker
- 100A
- 3 Pole
- Bolt-On
ABB / General Electric
TLB134100
Molded Case Circuit Breaker
Brand
ABB / General Electric
SKU
TLB134100
Quantity
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ABB / General Electric TLB134100 - 100A 3 Pole Molded Case Circuit Breaker
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Description
Rated 50 kAIC at 480V, this 3-pole, 100A MCCB delivers reliable thermal magnetic LI protection. It belongs to the Tri-Break family for commercial environments. The bolt-on style ensures a secure fit into compatible GE panelboards. For long-term maintenance planning, this model is replaced by the TEYL3100B. Featuring an integrally fused, current-limiting design, it quickly clears electrical faults to minimize damage to downstream equipment.Specifications
| Brand | ABB / General Electric |
|---|---|
| Part Number | TLB134100-R |
| Series | TLB |
| Amperage | 100A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 50kA @ 480VAC |
| Frame Type | TLB1 |
|---|---|
| Terminal Type | Lugs |
| For Use With | GE Panelboards |
| Wire Gauge | 14-1/0 AWG (Cu/Al) |
| Max Wire | 1/0 AWG |
| Min Wire | 14 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 |
|---|---|
| Accessories | Lugs (Load Side) |
| Standards | UL 489, NEMA AB 1 |
| Approval | UL, CSA |
| Temp Rating | 40C |
| Construction Features | Integrally Fused, Current Limiting, Non-Interchangeable Trip |
Product FAQs
6 answersWhich panelboards accept the TLB134100 circuit breaker?
This bolt-on breaker is designed specifically for legacy GE panelboards and switchboards configured for the Tri-Break TLB1 frame. Always verify your panel's compatibility label before installation.
What type of wire can be used with the TLB134100 lugs?
The factory-installed lugs are dual-rated for both copper (Cu) and aluminum (Al) conductors. They accept wire sizes ranging from 14 AWG up to 1/0 AWG.
Does the TLB134100 feature adjustable trip settings?
No. It is equipped with a thermal-magnetic trip unit featuring fixed long-time and fixed instantaneous (LI) trip functions. The trip curve cannot be adjusted in the field.
Why is this breaker branded as both ABB and General Electric?
ABB acquired GE Industrial Solutions in 2018. As a result, legacy GE Tri-Break circuit breakers like the TLB134100 are now manufactured and distributed under the ABB brand umbrella while retaining their original GE catalog numbers.
Can the TLB134100 be used on a 240V system?
Yes. While it has a maximum voltage rating of 480VAC, it is fully compatible with 240VAC systems. When applied at 240V, it provides a higher interrupting capacity of 65kAIC compared to its 50kAIC rating at 480V.
What does the LI trip function code indicate for this breaker?
The LI designation means the breaker provides Long-Time (L) and Instantaneous (I) protection. The long-time function protects against sustained overloads, while the instantaneous function provides immediate tripping during severe short circuits.
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