WMZT2D30 Circuit Breaker by Eaton, Cutler Hammer or Westinghouse EATON CIRCUIT BREAKER 30 AMPS 2 POLES 277 VAC CAT# WMZT2D30 Make an Offer Send to a Friend Voltage: 277 V Poles: 2 Frame Amperage: 30 A Mount: Plug-in Return To Circuit Breakers