DC/AC Analog Panel Current Meter: 1.class:1.5;2. ... 25A 30A 40A 50A 60A Anolog panel meter,current meter,ammeter,voltage meter,frequency meter: The ... relativeparameter,such as AC,DC,Voltage,power synchronous volume,frequency,expended voltage and overload current etc.The product ... external connected the secondary 5A or 1A current transformers when the current above 60A.Product name: 91C4 voltmeterAccuracy: ...