ABB / General ElectricTXQB1120
ABB / General Electric TXQB2120 Miniature Circuit Breaker
- 20A
- 2 Pole
- Bolt-On
ABB / General Electric
TXQB2120
Miniature Circuit Breaker
Brand
ABB / General Electric
SKU
TXQB2120
Quantity
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ABB / General Electric TXQB2120 - 20A 2 Pole Miniature Circuit Breaker
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Description
Part of the Q-Line family, the GE TXQB2120 is a 2-pole, 20A miniature circuit breaker built for commercial and industrial applications. It operates at 120/240VAC and utilizes fixed thermal-magnetic trip technology for reliable overcurrent protection. This bolt-on breaker installs into GE A-Series panelboards and AQ lighting panels. Featuring a high interrupting rating of 65 kAIC, the unit includes a quick-make/quick-break mechanism, internal common trip, and a visual trip indicator.Specifications
| Brand | ABB / General Electric |
|---|---|
| Series | TXQB |
| Amperage | 20A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 65kA @ 120VAC, 65kA @ 120/240VAC |
| Frame Type | TXQB |
|---|---|
| Terminal Type | Lugs |
| For Use With | GE A-Series Panelboards, GE AQ Lighting Panels |
| Wire Gauge | 14-8 AWG (Cu), 12-8 AWG (Al) |
| Max Wire | 8 AWG |
| Min Wire | 14 AWG (Cu), 12 AWG (Al) |
| 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, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No. 5, NEMA AB 1, UL 489 |
| Approval | CSA, HACR, UL |
| Temp Rating | 10C to 50C |
| Construction Features | HACR Rated, Common Trip, Quick-Make/Quick-Break, Visual Trip Indicator, Non-Interchangeable Trip, High Interrupting Capacity |
Product FAQs
5 answersWhich panelboards are compatible with the TXQB2120 breaker?
This bolt-on breaker is designed specifically for use in GE A-Series panelboards and GE AQ lighting panels. It will not fit in standard residential load centers that require plug-in style breakers.
What distinguishes the TXQB series from standard TQB or THQB breakers?
The TXQB series features a high interrupting rating of 65kAIC at 120/240VAC. Standard TQB breakers are rated at 10kAIC, and THQB breakers are rated at 22kAIC. This makes the TXQB2120 suitable for commercial or industrial applications with high available fault currents.
What are the acceptable wire sizes for the terminals on this 20A breaker?
The lugs are dual-rated to accept 14 to 8 AWG copper wire or 12 to 8 AWG aluminum wire. Always verify the required torque specifications printed on the breaker label before finalizing the connection.
Why is this breaker listed under both ABB and General Electric?
ABB acquired GE Industrial Solutions in 2018. The TXQB2120 is part of the legacy GE Q-Line series, which is now manufactured and supported by ABB while maintaining the exact same form factor, fit, and function.
Can I install the TXQB2120 in a residential GE Powermark Gold load center?
No. The TXQB2120 is a bolt-on breaker intended for commercial panelboards. Residential GE Powermark Gold load centers require plug-in breakers such as the THQL or THQP series.
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