① Suitable FI type
② Circuit
③ Load current
④ Fault current
Figure 13-9 Possible fault current forms and suitable residual current devices
More information is available on the Internet (www.siemens.com/industrial-controls/support).
Accessories
13.2 Accessories for 3UG4 monitoring relays
SIRIUS 3UG4 / 3RR2 monitoring relay
250 Equipment Manual, 07/2021, NEB927043002000/RS-AD/005
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