User Manual

Accessories
14.2 Accessories for 3UG4 monitoring relays
3UG4 / 3RR2 monitoring relays
322 Manual, 02/2013, NEB927043002000/RS-AA/002
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① Suitable FI type
② Circuit
③ Load current
④ Fault current
Figure 14-7 Possible fault current forms and suitable residual current devices
More information is available on the Internet (www.siemens.com/industrial-controls/support).