Dold Voltage Monitoring Relay, DPDT, DIN Rail

For DC networks; large voltage range in network to be monitored 12 Vdc → 280 Vdc
Alarm value adjustable for earth fault R from 5 → 200 kΩ
Rest current principle without auxiliary voltage
Programmable memory and hysteresis behaviour
Delete and test buttons
External delete and test buttons also connectable

Monitoring of insulation resistance of DC networks.

Complies with IEC 255, EN 61557 and VDE 0413