Ground Fault Monitor for Ungrounded Single- and Three-Phase AC systems up to 793 V

The IR470LY series monitors the insulation resistance of ungrounded AC and 3(N)AC systems from 0 to 793 V. Connecting a voltage coupler allows systems of higher voltages to use this device. The resistance level is set via a potentiometer and DIP switch.

 Technical Specs                 Datasheet

Ground Fault Monitor for Ungrounded Single-, Three-Phase AC and DC systems up to 693 V AC / 400 V DC

The IR475LY series monitors the insulation resistance of ungrounded AC, 3(N)AC, and DC systems from 0 - 693 V AC, 3NAC and 0 - 400 V DC. Connecting a voltage coupler allows systems of higher voltages to use this device. Two seperate alarms for a pre-warning and true alarm are settable via potentiomters and DIP switches.

 Technical Specs                 Datasheet

Ground Fault Monitor for Ungrounded Single-, Three-Phase AC and DC systems up to 793 V AC / 650 V DC

The IRDH275 series monitors the insulation resistance of ungrounded AC, 3(N)AC and AC/DC systems from 0 to 793 V AC and 0 to 650 V DC. The AMP Plus measuring principle meets the requirements of modern power supplies, which often include rectifiers, converters, and directly connected DC componenets. In systems with high leakage capacitances, the IRDH275 automatically adapts itself to the existing system conditions. Connecting a voltage coupler allows the unit to be placed in higher-voltage systems.

Preferences are set via a digital display and buttons. An external supply voltage allows de-energized systems to be monitored as well.

 Technical Specs                 Datasheet

Ground Fault Monitor for Ungrounded Single-, Three-Phase AC and DC systems up to 793 V AC / 650 V DC

The IRDH375 series monitors the insulation resistance of ungrounded AC, 3(N)AC and AC/DC systems from 0 to 793 V AC and 0 to 650 V DC. The AMP Plus measuring principle meets the requirements of modern power supplies, which often include rectifiers, converters, and directly connected DC componenets. In systems with high leakage capacitances, the IRDH275 automatically adapts itself to the existing system conditions. Connecting a voltage coupler allows the unit to be placed in higher-voltage systems.

Preferences are set via a digital display and buttons. An external supply voltage allows de-energized systems to be monitored as well. The IRDH375 series is designed to be panel-mounted into distribution panels.

 Technical Specs                 Datasheet