WMZS3C40 Circuit Breaker by Eaton, Cutler Hammer or Westinghouse EATON MINIATURE CIRCUIT BREAKER 40 AMPS 3 POLES 480 VAC CAT# WMZS3C40 Make an Offer Send to a Friend Voltage: 480 V Poles: 3 Frame Amperage: 40 A Mount: Bolt-in Return To Circuit Breakers