GUID-7E1547ED-000F-42BA-821A-F5D39F5BB708 V1 EN
Figure 4:
Installing a plug-in unit into the case
2.
Let the handle swing down about 45 degrees. At the same time, push the plug-
in unit into the case as far as it goes.
Plug-in unit stops at about 7 mm distance from the case.
3.
Turn down the handle to push the plug-in unit into its final position in the case.
The handle must be locked or sealed to secure the mechanical
performance under any conditions caused by vibration,
pressure, shock or bump, seismic activity or other equivalent
circumstances.
4.2.3
Sealing plug-in unit
The front panel of the protection relay has an integrated sealing screw. By default the
screw is screwed all the way in and is not used when installing or detaching the plug-
in unit.
1.
Open the sealing screw about nine turns.
2.
Thread a sealing wire through the holes in the sealing screw and the handle.
Section 4
1MRS757452 D
Mounting
14
611 series
Installation Manual