WMZS2D40 Circuit Breaker by Eaton, Cutler Hammer or Westinghouse EATON CUTLER HAMMER MINATURE CIRCUIT BREAKER 2 POLES 40 AMPS 400 VAC CAT# WMZS2D40 New Surplus Inventory Code: C Make an Offer Send to a Friend Voltage: 400 V Poles: 2 Frame Amperage: 40 A Mount: Bolt-in WHSE Code: ECB4B2 Return To Circuit Breakers