... functions 3,high quality and competive price 1500A ac electro-coloring power supply Product usageSuitable for construction ... control circuit .4. With low temperature rise ,low noise ,stable output5.It can be automatic back to zero, ... Technical Parameters Input voltage220V AC ,380V AC, 415V AC, 50-60HZOutput AC current100-15000A Arbitrary choiceOutput AC voltage20V,24V Arbitrary choiceWorking ...