Rated voltage: AC220V 50Hz Specification: 1.5(6)A 2.5(10)A 5(20)A 10(40)A 15(60)A 20(80)A 30(100)A Accuracy: class 1. class2 Operating temperature: -20℃～ +55℃ Power loss: ≤1.0W Pulse drive capacity: no less than 20mA Starting current: ≤0.004Ib Executive standard: GB/T17215-2002 the meter running accuracy in measurement, firmly in structure, and long life motion of requirement. It can provide with pulse output as per users requirement. These meter modules also have the function of preventing the electricity theft. Digits register can be placed by user self or by our company.