Description
The IR423 A-ISOMETER® monitors the insulation resistance RF of an unearthed AC system of 0…300 V to earth that is supplied by a mobile generator according to IEC 60364-5-551 (DIN VDE 0100-551).
Features
- Insulation monitoring for mobile gene-
rators AC 0…300 V.
- Option “W”: For high mechanical stress
when using the protective measure “Protective separation with insulation monitoring and disconnection”.
- Two separately adjustable response values.
- Connection monitoring system / earth.
- Power On LED, LED Alarm 1, LED Alarm 2.
- Internal and external test / reset button.
- Two separate alarm relays (one changeover contact each).
- N / O.