The ISOMETER® IR123P monitors the insulation resistance RF of an unearthed AC system of 100...300 V against earth, that is supplied by a mobile generator according to DIN VDE 0100-551. The IR123 is suitable for AC systems with operating frequencies of 22...65 Hz as well as for AC systems including DC components. The maximum permissible system leakage capacitance Cemax is 5 μF.
|Type||Nominal system voltage* Un||Supply voltage* US||Art. No.|
|IR123P-4-2||AC 22…460 Hz, 100…300 V||US = Un||B91016308|
* Absolute values