JBK5 machine tool control transformer, small volume, high performance. JBK5 series Machine tool control transformer: Model Capacity(VA) Input Voltage(V) OutputVoltage(V) Frequency JBK5-40 40 220/380 6/12/24/36/110127/220/380 50/60Hz JBK5-63 63 JBK5-100 100 JBK5-160 160 JBK5-250 250 JBK5-400 400 JBK5-630 630 JBK5-800 800 JBK5-10001000 JBK5-16001600 JBK5-25002500 Re: Special requirements are also available.