JBK single phase transformer machine tools made in china

Single phase transformer BK/BKZ/DG/EPS UPS/JBK/HDB IT/JBM Input Voltage Customized Output Voltage Customized Primary Current Customized Secondary Current Customized Capacity Customized Frequency 50/60Hz Insulation level F/H Pressure test Primary to secondary2.5KV/min; Primary to safety ground2.5KV/min; Secondary to safety ground1.5KV/min Insulation Resistance Primary to secondary2500V>100megohm; Primary to safety ground2500V>100megohm; Secondary to safety ground1500V>100megohm Induced overvoltage withstand test 125Hz/800V/min Ground Resistance 25A-80milliohm Cooling Method Natural or air cooling Transformation Ratio <3% Air Carrying Current <6% Impedance Voltage about 6% Total Losses 10% Efficiency: 80%--99% Certificate CE,ISO