Siemens QF120A Gfci Circuit Breaker, Plug In, Self Testing, 20 Amp, 1-Pole, 120 Volt Single pole, 20 Amp, type QPF2 GFCI Circuit Breaker 10,000 AIC interrupting rating Includes self-test as required by UL 943 as an added safety feature Suitable for a variety of construction applications including spas, hot tubs, kitchens, bathrooms, etc. Provides class A GFCI protection