* Protection function
Protection of current, voltage, neutral loss, power-off

* Self-checking

* Monitoring
Monitoring of circuit current and voltage
Monitoring of Breaker operation and protection

* Communication
RS485 bus and other communication port, baud rate can be adjustable

* Auxiliary function
remote parameter setting, control and alarm

Nominal Current：100A、250A、400A、630A
Nominal Voltage：380V
Nominal Frequency：50Hz