ABB RELION REX640 Installation Manual page 50

Mounting
4.
5.
6.
7.
50
Tighten the M6 screws to 9 Nm ±5% (6.6381 ft-lb ±5%).
1
2
1 Mounting bracket
Figure 39: Mounting M6 screws
Lift the protection relay to its place on the existing screws on the mounting
bracket.
Mount the M5 screws in the bottom holes.
Tighten the four M5 screws on the mounting bracket to 4 Nm ±5% (2.9502 ftlb
±5%).
1
1 M5 screws
Figure 40: Mounting and tightening the M5 screws
2 M6 screws
Installation Manual
1MRS759115 E
REX640