THQB1120 Miniature Single-Pole Circuit Breaker 20A 120/240VAC 10kAIC Thermal-Magnetic Trip Bolt-On Mount HACR SWD Rated Single Unit for Residential and Commercial Load Centers

Miniature THQB1120 20A Single-Pole Circuit Breaker
✔️ 120/240VAC, 20A, 10kAIC, thermal magnetic trip, bolt-on, single unit

This single THQB1120 20A breaker is a compact protective device for home and light commercial load centers, lighting panels, and HID lighting circuits. It ships as a single unit and mounts bolt-on for a secure fit.

✅ Model THQB1120, single pole, single unit
✅ 20 Amp rating for 120/240 VAC service, 10 kA interrupting capacity
✅ Thermal magnetic trip with quick-make quick-break action
✅ Bolt-on mounting for stable connection in breaker panels and load centers
✅ HACR and SWD ratings with visible trip indication for fast troubleshooting
✅ Ideal for branch circuits, lighting runs, HVAC and HID fixtures

💡 What is a single pole circuit breaker used for in home and light commercial panels? A single-pole breaker protects one hot conductor and is a common choice for many branch circuits. - Protects one hot leg in 120 VAC circuits and trips on overloads or short circuits, keeping wiring and devices safe. - Fits standard load centers and breaker panels, handy for lighting, receptacle circuits, HVAC loads, and HID lighting. - Thermal magnetic trip design offers both overload and instantaneous short-circuit protection for reliable safety.