Semi-Flush Mounting The Protection Relay - ABB RELION 620 Series Installation Manual

1MRS757641 G
4.3.3

Semi-flush mounting the protection relay

A mounting kit is needed for semi-flush mounting the protection relay. The
mounting kit includes screws, a raising frame and gasket.
To install a semi-flush, a panel cut-out of 248 x 162 mm with mounting holes and 103
mm depth behind the panel is required.
1.
2.
3.
4.
5.
620 series
Installation Manual
Mount the raising frame into the panel cut-out with four M5 screws.
B
A
D
C
E
A 263 ±0.5 mm
B ∅ 6 mm
C 133 ±0.5 mm
D 162 ±1 mm
Figure 11: Mounting the raising frame
Loosen the four M5 fixing screws in the case to fit the case to the raising frame.
Remove the protective film temporarily from the top side of the case.
Mount the case to the raising frame.
Figure 12: Mounting the case
Tighten the M5 screws.
The allowed range for the fixing screw's tightening torque is 0.7...1
Nm.
1
2
3
E 248 ±1 mm
1 Panel
2 Raising frame
3 M5 screw
Mounting
29