140U-H1C1-C40 Circuit Breaker by Allen Bradley ALLEN BRADLEY CIRCUIT BREAKER 1 POLE 40 AMPS 277 VAC CAT# 140U-H1C1-C40 New Surplus Inventory Code: A Make an Offer Send to a Friend Voltage: 277 V Poles: 1 Frame Amperage: 40 A Mount: Bolt-in Closing Mech.: Manual WHSE Code: CB8A4 Return To Circuit Breakers