BQD390 Circuit Breaker by Siemens SIEMENS MOLDED CASE CIRCUIT BREAKER 3 POLES 90 AMPS 277 VAC TYPE BQD CAT# BQD390 Make an Offer Send to a Friend Type: BQD Voltage: 277 V Poles: 3 Frame Amperage: 90 A Mount: Bolt-in WHSE Code: CB26C1 Return To Circuit Breakers