hat
apwopriye pou kous la segondè nan rated vòltaj jiska 660V ak rated aktyèl jiska 20A, fè san danje ajisteman ak jaden egzamen an de mèt Watt-èdtan, elektrik
eng
suitable for the secondary circuit of rated voltage up to 660V and rated current up to 20A, performing the safe adjustment and field test of watt-hour meter, electric