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IRDH275BM-7_D00123_06_M_XXEN/07.2018
3. Function
3.1 Characteristics IRDH275BM-7 incl. AGH675S-7…
Device combination for use in medium voltage systems with conver-
ters up to AC/DC 15.5 kV (IT = unearthed systems))
Automatic adaptation to the existing system leakage capacitance
measuring principle (European Patent: EP 0 654 673 B1)
Two separately adjustable ranges of the response value100 k…
10 M (Alarm 1, Alarm 2)
Two-line LC display
Automatic device self test
Memory with real-time clock to store all alarm messages with date and
time stamp.
BMS interface (BMS protocol) for data exchange with other Bender
devices (RS-485 electrically isolated).
Current output 0 (4)…20mA (galvanically separated) in relation to the
measured insulation value.
Remote setting of certain parameters via the Internet (option; protocol
converter FTC470XET additionally required)
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