ABB RELION REX640 - Mounting Protection Relay

4.3.2 Mounting protection relay
4.3.2.1 Wall mounting protection relay
1. Drill four M5 screw holes according to the dimensional drawing.
A
B
1
A 322 ±0.4 mm (12.6772 ±0.01575 in)
B 237 ±0.4 mm (9.3307 ±0.01575 in)
1 M5 hole
Figure 15: Drilling screw holes
Mounting
1MRS759115 E
28 REX640
Installation Manual