ABB THQB1120GFEP2 Ground Fault Circuit Breaker
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See full specsABB THQB1120GFEP2 1 Pole Ground Fault Circuit Breaker
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Description
ABB THQB1120GFEP2 1 Pole Ground Fault Circuit Breaker
The ABB THQB1120GFEP2 is a 1 Pole molded case ground fault circuit breaker with a current rating of 20 Amps and a voltage rating of 120VAC. It has an interrupting rating of 10kAIC.
Specifications
| Amperage | 20 A |
|---|---|
| Voltage | 120VAC |
| Series | THQB |
| Poles | 1 |
| Interrupting Rating | 10kAIC |
|---|
| Configuration | Single |
|---|
| Protection | Standard |
|---|---|
| Circuit Breaker Type | GFCI |
| Brand | ABB |
|---|
Product FAQs
6 answersWhat panels are compatible with the THQB1120GFEP2 breaker?
This Q-Line bolt-on breaker is designed for use in ABB ReliaGear lighting panels and legacy GE A-Series or AQ panelboards that accept THQB series breakers.
What is the ground fault trip sensitivity of this breaker?
The THQB1120GFEP2 provides Ground Fault Equipment Protection (GFEP) with a 30mA trip threshold. It is designed to protect equipment like heat trace or snow melting systems, rather than providing 5mA Class A personnel protection.
Does the THQB1120GFEP2 replace older GE models?
Yes, this breaker is the direct ABB successor to the legacy GE THQB1120GFEP. It features the same mounting style and specifications but includes updated electronics with self-test functionality and LED trip indication.
How does this breaker connect to the panel neutral?
This breaker utilizes a pigtail neutral wire that must be connected to the panel's neutral bus bar to ensure proper ground fault sensing.
What wire sizes are accepted by the terminals on the THQB1120GFEP2?
The box lugs on this breaker accept 14 to 8 AWG copper or 12 to 8 AWG aluminum wiring.
Does this GFEP breaker include a self-test feature?
Yes, the THQB1120GFEP2 includes updated electronics with an automatic self-test function, a push-to-test button, and an LED indicator to help diagnose the cause of a trip.
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