Top Rated Siemens QF120A – 20A GFCI Miniature Circuit Breaker

Engineered to meet updated UL 943 requirements, this 20A single-pole interrupter conducts periodic internal tests to confirm the ground-fault mechanism remains fully operational. It mounts into Siemens PL, ES, EQ, and SEQ series load centers to protect residential circuits in kitchens, bathrooms, and outdoor spaces. Serving as the modern substitute for the older QF120, it delivers a 10kAIC rating alongside reliable Class A 5mA trip sensitivity.