GE / ABB THQB Q-Line Bolt-On Residential Circuit Breakers
The GE THQB Q-Line bolt-on series provides the same reliable residential protection as the THQL but with a bolt-on terminal connection for use in panelboards requiring bolt-on breakers. Suitable for GE and compatible load centers.
Series Specifications
| Frame | Residential Bolt-On — 100A Frame |
|---|---|
| Amperage Range | 15A - 100A |
| Voltage | 120/240VAC |
| Poles | 1-Pole, 2-Pole |
| Interrupting Rating | 10kA @ 120/240V |
| Mounting | Bolt-On |
| Trip Type | Thermal-Magnetic |
History and Replacement Context
The THQB is the bolt-on variant of the GE Q-Line residential series. ABB acquired GE Industrial Solutions in 2018 and continues production of the THQB under the ABB brand with full backward compatibility.
Typical Applications
- Residential branch circuits
- Bolt-on panelboards
- Lighting circuits
- Appliance circuits
Available Catalog Numbers
- THQB1115 — 15A, 1 pole, 120/240VAC
- THQB1120 — 20A, 1 pole, 120/240VAC
- THQB1125 — 25A, 1 pole, 120/240VAC
- THQB1130 — 30A, 1 pole, 120/240VAC
- THQB1135 — 35A, 1 pole, 120/240VAC
- THQB1140 — 40A, 1 pole, 120/240VAC
- THQB1150 — 50A, 1 pole, 120/240VAC
- THQB1160 — 60A, 1 pole, 120/240VAC
- THQB2115 — 15A, 2 pole, 120/240VAC
- THQB2120 — 20A, 2 pole, 120/240VAC
- THQB2125 — 25A, 2 pole, 120/240VAC
- THQB2130 — 30A, 2 pole, 120/240VAC
- THQB2140 — 40A, 2 pole, 120/240VAC
- THQB2150 — 50A, 2 pole, 120/240VAC
- THQB2160 — 60A, 2 pole, 120/240VAC
- THQB2170 — 70A, 2 pole, 120/240VAC
- THQB2180 — 80A, 2 pole, 120/240VAC
- THQB2190 — 90A, 2 pole, 120/240VAC
- THQB21100 — 100A, 2 pole, 120/240VAC
- THQB32020 — 20A, 3 pole, 120/240VAC