WMZT3D04T Circuit Breaker by Eaton, Cutler Hammer or Westinghouse EATON MINIATURE CIRCUIT BREAKER 3 POLES 4 AMPS 277 VAC CAT# WMZT3D04T New Surplus Inventory Code: S Make an Offer Send to a Friend Voltage: 277 V Poles: 3 Frame Amperage: 4 A Mount: Plug-in WHSE Code: CB25A2 Return To Circuit Breakers