Developed for medical and hospital environments the IMD (insulation monitor device) SRI3/H2FL6RS485 allows to monitor continuously the status of LW networks with insulated neutral (IT-M systems).
The IMD can detect insulation defects due to resistive component, even in the presence of continuous parasitic voltages. The instrument signals the first earth fault on display, by indicating both the ohmic value of dispersion and the maximum fault current, that could flow through the dispersion resistive. The apparatus is also able to monitor the temperature and over-current of insulating transformer. The multiple alarms that SRI3/H2FL6RS485 can detect are signalled both visually (on display) and acoustically, also thanks to the
appropriate remote repetition panel RPSR3 . The fault location, takes place by special transducers (one for each departure/channel to control). When there is an insulation loss, due to insulation defect, the device could start a search procedure, at the end of which, will be indicated on the display, which is
the departure with insulation anomaly.
Options : for AC networks, for medical applications, with insulation fault location
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