WMZT3DX0 Circuit Breaker by Eaton, Cutler Hammer or Westinghouse EATON MINIATURE CIRCUIT BREAKER 3 POLE 0.5 AMP 277 VAC CAT # WMZT3DX0 New Surplus Inventory Code: Z+ Make an Offer Send to a Friend Voltage: 277 V Poles: 3 Frame Amperage: 0.5 A Mount: Plug-in WHSE Code: CB25B4 Return To Circuit Breakers