WMTB4008 Circuit Breaker by Eaton, Cutler Hammer or Westinghouse EATON CUTLER HAMMER CIRCUIT BREAKER 4 POLES 8 AMPS 240 VAC TYPE B CAT# WMTB4008 New Surplus Inventory Code: T Make an Offer Send to a Friend Type: B Voltage: 240 V Poles: 4 Frame Amperage: 8 A Mount: Plug-in WHSE Code: CB30B4 Return To Circuit Breakers