ABB RELION REX640 Installation Manual page 52

Mounting
2.
3.
52
Place the grounding bar between the front plates' bendings and mount it to the
front plate with M3 screws and washers.
1
2
3
3
2
1 Module
2 Grounding bar
Figure 42: Mounting grounding bar
Tighten the M3 screws to 0.8 Nm ±5% (0.5900 ft-lb ±5%).
2
3
3
4
1MRS759115 E
M3 screws and washers
Edge with chamfer towards the
module's collar screw
Installation Manual
4
REX640