GE / ABB THQL Q-Line Plug-In Residential Circuit Breakers
The GE THQL Q-Line series is one of the most widely installed residential circuit breakers in the eastern United States. Used in GE PowerMark Gold and PowerMark Plus load centers, the THQL plug-in design provides reliable thermal-magnetic protection for residential branch circuits.
Series Specifications
| Frame | Residential Plug-In — 100A Frame |
|---|---|
| Amperage Range | 15A - 100A |
| Voltage | 120/240VAC |
| Poles | 1-Pole, 2-Pole |
| Interrupting Rating | 10kA @ 120/240V |
| Mounting | Plug-In |
| Trip Type | Thermal-Magnetic |
History and Replacement Context
The THQL series has been manufactured by GE since the 1970s and became the dominant residential breaker in the eastern US market. ABB acquired GE Industrial Solutions in 2018 and continues production of the THQL under the ABB brand with full backward compatibility.
Typical Applications
- Residential branch circuits
- GE PowerMark Gold panels
- GE PowerMark Plus panels
- Lighting circuits
- Appliance circuits
Available Catalog Numbers
- THQL1015 — 15A, 1 pole, 120VAC
- THQL1020 — 20A, 1 pole, 120VAC
- THQL1025 — 25A, 1 pole, 120VAC
- THQL1030 — 30A, 1 pole, 120VAC
- THQL1040 — 40A, 1 pole, 120VAC
- THQL1050 — 50A, 1 pole, 120VAC
- THQL1060 — 60A, 1 pole, 120VAC
- THQL2015 — 15A, 2 pole, 240VAC
- THQL2020 — 20A, 2 pole, 240VAC
- THQL2025 — 25A, 2 pole, 240VAC
- THQL2030 — 30A, 2 pole, 240VAC
- THQL2040 — 40A, 2 pole, 240VAC
- THQL2050 — 50A, 2 pole, 240VAC
- THQL2060 — 60A, 2 pole, 240VAC
- THQL2070 — 70A, 2 pole, 240VAC
- THQL2080 — 80A, 2 pole, 240VAC
- THQL2090 — 90A, 2 pole, 240VAC
- THQL2100 — 100A, 2 pole, 240VAC
- THQL1035 — 35A, 1 pole, 120/240VAC
- THQL1070 — 70A, 1 pole, 120/240VAC