Shanghai ShuoZhou Electronics Rotating resistance level switch Basic parameters Power supply : 110VAC 60HZ, 220VAC 50HZ, 240VAC 50Hz, 24VAC 50HZ, 24VDC Power consumption : 3W, 1.5W Contact capacity : SPDT 5A/250VAC, 6A/250VAC, 3A/250VAC Blade speed : 1R.P.M Withstanding Voltage : AC 1500V