China Manufacturer Of Contactor,Circuit Breaker,Power Inverter,Protector Surge,Solid State Relays MODELNAMESPECIFICATIONACCURACYSFC-45SFC-100AC AMMETERFROM ... 30V,50V,100V...TO 300V,500V,600VAC DIRECT CONNECTIONCLASS 1.5FROM 1KV,2KV, 5KV...TO 380KV,450KVWITH EXT.VOLTAGE ... ...TO 8KV,9KV,10KVWITH EXT. RESISTORCLASS 1.5FREQUENCY METERVOLTAGE:110V,220V,380V,440V......CLASS 1.0FREQUENCY: 45-55Hz,45-65hZ,55- ...