User Manual

Accessories
14.2 Accessories for 3UG4 monitoring relays
3UG4 / 3RR2 monitoring relays
Manual, 02/2013, NEB927043002000/RS-AA/002
333
Rail mounting
Requirement: At the installation location, a horizontal 35-mm wide mounting rail in
accordance with DIN EN 60715 has been properly secured.
Rail mounting is possible with residual current transformers with bushing opening diameters
of up to ∅ 55 mm only (3UL2302-1A, 3UL2303-1A).
Step Instructions Figure
1 Mount the holder (3UL2900) to the
device.
2 Mount the device to the rail.
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