Installing The 3Ug458. Monitoring Relay - Siemens SIRIUS 3UG4 Equipment Manual

System overview
3.4 Mounting / removal
Mounting the monitoring relay (screw mounting)
①
Mounting onto standard rail
The illustration below shows how to mount the 3UG4 monitoring relay onto a standard rail.
Mounting the monitoring relay (mounting on and removing from standard rail)
①
3.4.3

Installing the 3UG458. monitoring relay.

Mounting onto standard rail
The figure below shows how to install the 3UG458. insulation monitoring relay on a standard
rail.
38
Slide the push-in lugs into the openings on the monitoring relay at the top and bottom, and use
the screwdriver to secure the device by screwing suitable screws through the holes in the push-in
lugs.
Position the device on the top edge of the DIN rail and press it down until it snaps onto the bottom
edge of the DIN rail.
To remove the device, press it down, pushing against the mounting springs, and swivel the device
to remove it.
SIRIUS 3UG4 / 3RR2 monitoring relay
Equipment Manual, 07/2021, NEB927043002000/RS-AD/005