.

The DDS5558 type single-phase electronic watt-hour meter adopt exclusive use LSI,the device typifying new periphery component, simple structure, high reliability, low power consumption, long life etc, is suitable for the single-phase AC active electric energy with rated frequency of 50Hz. The performance is in conformity with the technical requirements for Single-phase Electronic Watt-hour Meter stipulated in GB/T 17215.321-2008 Class I and 2 Static AC Active Watt-hour Meter standard