FA14040B Circuit Breaker by Square D SQUARE D I-LINE CIRCUIT BREAKER 1 POLE 40 AMPS 277 VAC C-PHASE CAT# FA14040B Make an Offer Send to a Friend Voltage: 277 V Poles: 1 Frame Amperage: 40 A Mount: Bolt-in Closing Mech.: Manual WHSE Code: L5A6 Return To Circuit Breakers