WESTINGHOUSE GFCI GROUND FAULT CIRCUIT BREAKER *1 wide *15 amp, 120/240 vac *Single pole *Interchangeable *Not interchangeable with Square D Homeline panels *10,000 AIR *Switch indicator *Class A ground fault protection-protects against electric shock produced by ground fault *Plug-in *Fits (Westinghouse/Bryant/ Cutler-Hammer)-BR, (Sylvania/ Challenger/TandB) *Standard overload, short circuit protection and GFI in Cutler-Hammer, Westinghouse, Bryant, Challenger, or Sylvania load centers *UL listed *C.S.A. approved