QO220 Circuit Breaker by Square D SQUARE D CIRCUIT BREAKER 2 POLES 20 AMPS 120/240 VAC CAT# QO220 New Surplus Inventory Code: A Make an Offer Send to a Friend Voltage: 240 V Poles: 2 Frame Amperage: 20 A Mount: Plug-in Closing Mech.: Manual Return To Circuit Breakers