FAB14030B Circuit Breaker by Square D SQUARE D I-LINE CIRCUIT BREAKER 1 POLE 30 AMPS 277 VAC B-PHASE CAT# FAB14030B New Surplus Inventory Code: G Make an Offer Send to a Friend Voltage: 277 V Poles: 1 Frame Amperage: 30 A Mount: Bolt-in Closing Mech.: Manual WHSE Code: L5B6 Return To Circuit Breakers