Schneider Electric IMDIFL12LMC IMDIFL12LMC Monitoring relay No. of relay outputs: 1

This device belongs to the Vigilohm series, which was developed for the monitoring of ungrounded power supplies (IT systems) according to the installation and product standards. This isolation error detection is only possible if it is connected to the IM400 series, XM300 or XM200. This device is used for monitoring 12 feed lines, AC, DC and ACDC, up to 1000 V with the voltage adapter IFL12VA1T. It measures the insulation resistance and the leakage capacity per outlet. Configuration is performed via the front of the device, via the HMI screen or via the communication port. The main settings refer to alarm thresholds, channel naming, toroid type (Vigilohm type or other compatible types), and filter time. It indicates the insulation resistance from 100 ohms to 250 kOhm and the leakage capacitance from 1 to 15 microfarad per outlet. Autotest starts automatically every 5 hours and if necessary. If the insulation resistance falls below the set threshold, an alarm is triggered via the IFL output relay, the HMI and the communication port. As soon as no fault is monitored, the alarm is cleared and the alarm relay returns to its normal state. The device can be supplied with a voltage from 24 VDC to 48 VDC with a tolerance of plus or minus 15 %.

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