1. Suitable for distribution system under 650kV
2. True RMS measuring parameters
3. Setpoint alarm for over/ under limit
4. PT and CT (1A/ 5A) programmable
5. Optional digital input & relay output
6. High accuracy, class 0.5s for kWh
7. Small size: 72* 72mm
8. One RS485, support Modbus-RTU protocol