User Manual

Accessories
14.2 Accessories for 3UG4 monitoring relays
3UG4 / 3RR2 monitoring relays
324 Manual, 02/2013, NEB927043002000/RS-AA/002
All live cables must be routed as close to the center of the transformer as possible.
Any neutral conductor must be routed through the transformer. Grounded protective
conductors must not be routed through the transformer or need to be routed through the
transformer in both directions.
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Route power cables around the residual current transformer in a straight line and ensure the
area corresponds at minimum to the internal transformer diameter.
;
;
X > ∅ residual current transformer