IR423 device equivalent, a-isometer - insulation monitoring device.
* Insulation monitoring for mobile gene-
rators AC 0…300 V
* Option “W”: For high mechanical stress
when using the protective measure “Protective separation with .
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). The IR423 is suitable for AC systems with operating freq.
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