ABB RELION REX640 - Changing language; Alarms; Viewing alarm list; Acknowledging alarms

2. Tighten the M6 screws to 9 Nm ±5% (6.6381 ft-lb ±5%).
1
2
1 7U rack plate 2 M6 screws
Figure 29: Mounting the protection relay to the rack plate
3. Mount the protection relay and rack plate to a 19" rack.
The rack plate can also be mounted to the rack before the protection relay is
attached to it.
4. Tighten the screws.
1MRS759115 E
Mounting
REX640
Installation Manual
41