Fuzhou Shinystar Trading Co., Ltd. [China]

Detailed Product Description

The combined overcurrent and earth-fault relay is a secondary relay to be connected to the current transformer of the protected object. The three phase overcurrent unit and the earth fault unit continuously measure the phase current and the neutral current of the protected object. On detection of a fault the relay starts, trip the circuit breaker,initiates auto-reclosing, provides alarm, records fault date etc. In accordance with the application and the configured relay functions.