Siemens 3UG4 User Manual page 345

Mounting onto standard rail
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
1 Mount the holder (3UL2900) to the
device.
2 Mount the device on the rail.
3UG4 / 3RR2 monitoring relays
Manual, 05/2016, NEB927043002000/RS-AC/004
13.2 Accessories for 3UG4 monitoring relays
Figure
Accessories
345