Under-voltage protection relays

Trigger voltage: 400 V

AQ-L350 is a line protection IED with line differential protection for transmission and sub-transmission line protection applications. It integrates a full range of line protection functions along with variety of additional functions ...

Trigger voltage: 140 V - 300 V

The phase protection relays are designed to protect the three-phase loads from damage caused by mains voltage. High Voltage : 300V Low Voltage : 140V Asymmetry : 5% - 25% (Adjustable) Error Waiting Time : 0,1 sec. ...

The SubMonitor is designed to protect 3-phase pumps with horsepower ratings between 3 and 200 hp. Current, voltage and motor temperature are monitored using three integrated current transformers. A digital display provides current and ...