User Manual

3UG458. insulation monitoring relay.
10.3 3UG4581 insulation monitoring relay
3UG4 / 3RR2 monitoring relays
Manual, 02/2013, NEB927043002000/RS-AA/002
217
Wiring examples 3UG4581 insulation monitoring relays
Measuring input L can be connected to any conductor (phase or N conductor). The rated
system voltage must be U
n
≤ 400 V AC (50 to 60 Hz).
2-wire AC system
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