WMZT1D40T Circuit Breaker by Eaton, Cutler Hammer or Westinghouse EATON MINIATURE CIRCUIT BREAKER 1 POLE 40 AMPS 240 VAC 48 VDC CAT# WMZT1D40T New Surplus Inventory Code: Z+ Make an Offer Send to a Friend Voltage: 240 V Poles: 1 Frame Amperage: 40 A Mount: Plug-in WHSE Code: CB25B3 Return To Circuit Breakers