ABB
1-Pole Q-Line Bolt-On Miniature Circuit Breakers
- Availability:
- Allow 2-3 Days to Ship
- Weight:
- 0.00 LBS
Description
1-Pole Q-Line Bolt-On Miniature Circuit Breakers
ABB THQB Q-Line circuit breakers are compact, 1-inch wide per pole, thermal-magnetic breakers designed for residential, commercial, and light industrial panelboard applications. These bolt-on breakers provide secure bus connection and dependable branch circuit protection.
This selection includes 1-pole THQB breakers in 15A, 20A, 25A, and 30A ratings, plus a 20A GFCI self-test model for ground fault protection applications.
Key Features
- ABB Q-Line THQB Series miniature circuit breakers
- 1-pole bolt-on design
- 120/240V AC voltage rating
- 10 kAIC interrupting rating
- Thermal-magnetic trip protection
- Quick-make / quick-break mechanism
- Easy-to-spot trip indication
- Compact 1-inch wide per pole construction
- Available ratings: 15A, 20A, 25A, and 30A
- THQB1120GFT includes 20A GFCI self-test protection
Typical Applications
Ideal for branch circuit protection in ABB/GE compatible load centers, lighting panels, and panelboards. Commonly used in residential, commercial, institutional, and light industrial electrical distribution systems.
Included Models
- THQB1115 – 15A, 1-pole, 120/240V, 10 kAIC bolt-on circuit breaker
- THQB1120 – 20A, 1-pole, 120/240V, 10 kAIC bolt-on circuit breaker
- THQB1120GFT – 20A, 1-pole, 120/240V, 10 kAIC bolt-on GFCI self-test circuit breaker
- THQB1125 – 25A, 1-pole, 120/240V, 10 kAIC bolt-on circuit breaker
- THQB1130 – 30A, 1-pole, 120/240V, 10 kAIC bolt-on circuit breaker
Important Notes
Verify panelboard compatibility before installation.
THQB1120GFT is intended for applications requiring ground fault circuit interrupter protection.
Installation should be performed by qualified electrical personnel in accordance with applicable codes and manufacturer instructions.