WMZS3B10 Circuit Breaker by Eaton, Cutler Hammer or Westinghouse EATON MINIATURE CIRCUIT BREAKER 3 POLES 10 AMPS 277/480 VAC TYPE B CAT# WMZS3B10 New Surplus Inventory Code: P Make an Offer Send to a Friend Voltage: 277 V Poles: 3 Frame Amperage: 10 A WHSE Code: CB28A2 Return To Circuit Breakers