Siemens Q120DF  20-Amp Afci/Gfci Dual Function Circuit Breaker, Plug on Load Center Style Faster, more cost effective installation to meet code requirements compared to installing an AFCI breaker and GFI receptacle For use on Siemens load centers that accept UL type QFGA2 breakers Siemens exclusive LED trip indicator pinpoints cause of trip HACR, SWD, 120 Volt AC rated The breaker requires power to run the self test / trip functions (will not test / trip when not installed)