ABB RELION REX640 - Selecting local or remote use

4. Attach the mounting bracket to the protection relay with M6 screws and tighten
the screws to 9 Nm ±5% (6.6381 ft-lb ±5%).
2
1
1 Mounting bracket 2 M6 screws
Figure 22: Mounting M6 screws
5. Lift the protection relay to its place on the existing screws on the roof mounting
bracket.
6. Mount the M5 screws in the bottom holes.
Mounting
1MRS759115 E
34 REX640
Installation Manual