WMZH2C20T Circuit Breaker by Eaton, Cutler Hammer or Westinghouse EATON CIRCUIT BREAKER 2 POLES 20 AMPS 480Y/277 VAC DIN RAIL MOUNT CAT# WMZH2C20T New Surplus Inventory Code: Z+ Make an Offer Send to a Friend Voltage: 277 V Poles: 2 Frame Amperage: 20 A Mount: Plug-in WHSE Code: CB25B4 Return To Circuit Breakers