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ABB / General Electric TB13050 Molded Case Circuit Breaker
- 50A
- 3 Pole
- Unit Mount
ABB / General Electric
TB13050
Molded Case Circuit Breaker
Brand
ABB / General Electric
SKU
TB13050
Quantity
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ABB / General Electric TB13050 - 50A 3 Pole Molded Case Circuit Breaker
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Description
Providing exceptional short-circuit defense, the GE TB13050 is a 50A, 3-pole current limiting MCCB from the Tri-Break series. It minimizes let-through energy during severe faults, ensuring maximum protection for commercial facilities. This unit-mount breaker is fully compatible with GE switchboards, A-Series panelboards, and motor control centers. It comes standard with line and load lugs. With a 200kAIC capacity at 480VAC, it relies on proven thermal-magnetic technology for LI defense.Specifications
| Brand | ABB / General Electric |
|---|---|
| Part Number | TB13050-R |
| Series | TB1 |
| Amperage | 50A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 200kA @ 240VAC, 200kA @ 480VAC, 100kA @ 600VAC, 10kA @ 250VDC |
| Frame Type | TB1 |
|---|---|
| Terminal Type | Lugs |
| For Use With | GE Switchboards, Motor Control Centers, GE A-Series 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, Bell Alarm |
|---|---|
| Accessories | Line and Load Lugs Included, Current Limiters Included |
| Standards | UL 489, NEMA AB-1 |
| Approval | UL |
| Temp Rating | 40C |
| Construction Features | Current Limiting, Integrally Fused, Non-Interchangeable Trip |
| Special Features | Current Limiting (Integrally Fused) |
Product FAQs
6 answersWhat equipment is the GE TB13050 circuit breaker compatible with?
This TB1 frame breaker is designed for use in GE switchboards, motor control centers, and GE A-Series panelboards. Verify your specific enclosure accepts unit mount, feed-thru breakers before installation.
Does the TB13050 plug directly into a panelboard bus?
No, this is a unit mount, feed-thru circuit breaker. It does not plug into a busbar. It requires standalone or bolt-on mounting and uses wire lugs for both the line and load connections.
What wire sizes are accepted by the lugs on the TB13050?
The factory lugs accept wire gauges from 14 AWG up to 1/0 AWG. They are rated for both copper (Cu) and aluminum (Al) conductors. Ensure proper torque specifications are followed during installation to prevent thermal issues.
How does the current limiting feature of the TB13050 work?
As a Tri-Break current limiting circuit breaker, it is designed to clear high-level fault currents extremely fast. This reduces the peak let-through current and thermal energy, providing enhanced protection for downstream equipment and wiring.
Why is this breaker listed as both ABB and General Electric?
ABB acquired GE Industrial Solutions in 2018. As a result, TB1 series breakers like the TB13050 may be branded as either GE or ABB, but they share the exact same form, fit, and function.
What safety procedures are required before installing this breaker?
For safety and compliance with NFPA 70E, all power to the switchboard, motor control center, or panelboard must be completely de-energized, locked out, and tagged out before installing or servicing the circuit breaker.
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