... mode manual regulation2) rated capacity 5kVA,10kVA,15kVA,20kVA,30kVA3) current measurement range 5A-1000A,5A-2000A,5A-3150A,5A-5000A ... (specific current can be chosen in accordance with practical demands of users ... can add the function of testing volt-ampere characteristic of current transformer and no-load loss of voltage transformer to this ...