QO240 Circuit Breaker by Square D SQUARE D CIRCUIT BREAKER 2 POLES 40 AMPS 120-240 VAC PLUG-ON TYPE CAT# QO240 Reconditioned New Surplus Inventory Code: A Make an Offer Send to a Friend Voltage: 240 V Poles: 2 Frame Amperage: 40 A Mount: Plug-in WHSE Code: CB28B4 Return To Circuit Breakers