WMZS2C04 Circuit Breaker by Eaton, Cutler Hammer or Westinghouse EATON MINIATURE CIRCUIT BREAKER 2 POLES 4 AMPS 277 VAC DIN RAIL MOUNT CAT# WMZS2C04 New Surplus Inventory Code: Y Make an Offer Send to a Friend Voltage: 277 V Poles: 2 Frame Amperage: 4 A Mount: Plug-in WHSE Code: CB27A3 Return To Circuit Breakers