Accessories
13.3 Accessories for 3UG458. insulation monitoring relays.
3UG4 / 3RR2 monitoring relays
354 Manual, 05/2016, NEB927043002000/RS-AC/004
Mounting onto standard rail
The figure below shows how to install the 3UG4983 upstream module on a standard rail.
Table 13- 13 Installing the 3UG4983 upstream module (mounting onto standard rail)
1 / 2 Position the device on the top edge of
the mounting rail and press it down until
it snaps onto the bottom edge of the rail.
Table 13- 14 Disassembling the 3UG4983 upstream module (mounting onto standard rail)
1 / 2 To remove, apply the screwdriver to the
device and push it up with a twisting motion
against the tension of the fixing spring.
3 Swing the device upwards to remove it.
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