Power transformer(machine control transformer) RatedCurrent:40~63,100,160,250,400~500,630,800,1000,1600, 2500(VA) JBK3 Series Machine Tool Control Transfomers apply to be used as control power, working light of general electric appliance and mechanical equipment of various trades, and power of signal lamp with AC 50-60HZ, input voltage doesn't exceed 500V, output rated voltage doesn't exceed 220V.