single phase AC current meter,ac ammeter,meter 1.OEM 2,High quality,reasonable price,hot sale Detailed Product Descriptionsingle phase AC current ... price,hot sale single phase AC current meter,ac ammeter,meterThe scope of applicationThe series product is magnetic series and electromagetism series. Suited ... 250mA 300mA 500mA 1A 2A 3A 7.5A 10A 20A 30A 50A 60A,More than 60A external connect 50mV,60mV or ...