BENDER IR420-D4-2 INSULATION MONITOR DEVICE IR420

Bender IR420-D4-2 is a deviceISOMETER® designed tomonitor insulation resistance in ungrounded AC electrical systems (IT system), especially in control and auxiliary circuits with voltages up to 0–300 V. bender-in.com

The main functions are:
✅ Measure and report the level of system isolation to ground to detect insulation failure early. bender-in.com
✅ Protects equipment and increases system reliability and safety through continuous alarms and monitoring.