FAB14020B Circuit Breaker by Square D SQUARE D I-LINE CIRCUIT BREAKER 1 POLE 20 AMPS 277 VAC B-PHASE CAT# FAB14020B New Surplus Inventory Code: A Make an Offer Send to a Friend Voltage: 277 V Poles: 1 Frame Amperage: 20 A Mount: Bolt-in Closing Mech.: Manual WHSE Code: L5A6 Return To Circuit Breakers