Chint Voltage Protection Relay 380V

NJYB3 Relay is used to provide overvoltage;undervoltage; phase failure;phase sequence;three-phase unbalance;PTC temperature and load protection control in three-phase three-wire up to 415V circuits and three-phase four-wire up to 240V circuits with a frequency of AC50Hz.
This relay is a voltage protection relay.After detecting the voltage signal;the relay processes the input signal;judges if there is an overvoltage;undervoltage;phase failure;phase sequence;three-phase unbalance;PTC temperature and load error and controls the opration accurately and stably by means of the built-in microprocessor.