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1-Inch, 20 Amp, 120/240 V, THQL Circuit Breaker
- Mfg.#
- THQL1120
- Sku#
- 8941783
- Tin-plated copper stabs create a reliable, permanent and corrosion-resistant connections
- Calibration screw is cemented to prevent shifting
- Breaker case is made of heat-resistant thermoset for stability and structural integrity
- Trips to the center position
* Estimated stock levels as of Sat, Apr 11, 2026. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availability of items marked as Limited Stock.
Description
Copper-to-copper connections, calibrated for optimum trip performance, heat-resistant thermoset cases and covers, cemented calibration screw. Type THQL 1 in per pole. May be used, when marked to accept, with American Switch, Arrow Hart, Bryant, General Switch, GTE, Sylvania, most ITE, Murray, Westinghouse Type BR, Challenger and Crouse-Hinds. 15 to 30 A 14 to 8 cu or 12 to 8 al AWG wire, 35 to 60 A 8 to 3 cu or 8 to 2 al AWG wire. UL listed, HACR rated. 1 in module, 120/240 V, 10,000 AIR.
Specifications
General
| Amps | 20 A |
|---|---|
| Current Rating | 20 A |
| Frame Type | Q-Line |
| Interrupt Rating | 10 kA |
| Mounting Type | Plug |
| Number of Phases | 1 |
| Number of Poles | 1 |
| Operating Frequency | 50/60 Hz |
| Operating Temperature | 60 to 75 °C |
| Poles | 1 |
| Series | THQL |
| Suitable for | Reverse Feed |
| Terminal | Screw Clamp |
| Trip Type | Non-Interchangeable |
| Type | Circuit Breaker |
| Voltage Rating | 120/240 V |
| Volts | 120/240 V |
| Wire Size | 14 to 8 12 to 8 AWG |
Dimensions
| Height | 2.38 in |
|---|---|
| Length | 3.28 in |
| Width | 1 in |
