Product: DD28 MECHANICAL kWH METER Specifications: Model Number: DD28 Accuracy: Class 2.0 Rated Voltage: 220 Volt Rated Current: 10(30-40)Amp Starting Current: 0.5%Ib Rated Frequency: 50 Hz Constant: 600 rev/kWH Power Loss( Under no current): 2W Meter Base: Black Clock Steel Meter Main Cover: Non Transparent( Black Cover) Meter Terminal: Short or Extended Meter Terminal Material: Copper Voltage Coil Material: Copper Current Coil Material: Copper Wire Protection: The Voltage and current coil connecting wire must be insulated with a cover on it Magnet: Big Size Magnet suitable for 30 A to balance the rotation of the wheel. Size and Dia. of Voltage and Current Coil: As per IEC design to bear 30 Amp continuous current Meter Terminal Size: As per IEC norms with continuous current bearing capacity of 30 Ampere Meter Register: 5 Digits ( 4 Integer , 1 Decimal) Meter Bearing: Jewell Quality: Excellent Serial Number: Each DD 28 must have serial number on its name plate Design Standard: GB/T15283-2008 & IEC 521