WMZH2D20 Circuit Breaker by Eaton, Cutler Hammer or Westinghouse EATON CIRCUIT BREAKER 2 POLES 20 AMPS 480Y/277 VAC TYPE D CAT# WMZH2D20 New Surplus Inventory Code: Z+ Make an Offer Send to a Friend Type: D Voltage: 277 V Poles: 2 Frame Amperage: 20 A Mount: Plug-in WHSE Code: CB26A2 Return To Circuit Breakers