WMZS1D16 Circuit Breaker by Eaton, Cutler Hammer or Westinghouse EATON MINIATURE CIRCUIT BREAKER 1 POLE 16 AMPS 277 VAC TYPE D CAT# WMZS1D16 Make an Offer Send to a Friend Voltage: 277 V Poles: 1 Frame Amperage: 16 A Return To Circuit Breakers