BF120 Circuit Breaker by Siemens SIEMENS GROUND FAULT CIRCUIT INTERRUPTER 1 POLE 120 VAC 20 AMPS TYPE BLF CAT# BF120 Make an Offer Send to a Friend Type: BLF Voltage: 120 V Poles: 1 Frame Amperage: 20 A Mount: Bolt-in Return To Circuit Breakers