MH36800Circuit Breaker by Square D SQUARE D CIRCUIT BREAKER 3 POLES 800 AMPS 600 VAC TYPE MA WITH Ii TRIP MIN. 4000 A TO MAX. 800 A CAT# MH36800 Make an Offer Send to a Friend Type: MA Voltage: 600 V Poles: 3 Frame Amperage: 800 A Mount: Bolt-in Closing Mech.: Manual Return To Circuit Breakers