ABB RELION REX640 - Changing backlight brightness and timeout

A
B
C
D
A 417.0 mm (16.4173 in)
B 306.5 mm (12.0669 in)
C 357.0 mm (14.0551 in)
D 273.5 mm (10.7677 in)
with compression type CT/VT
connectors
285.4 mm (11.2362 in) with ring-lug
type CT/VT connectors
305.3 mm (12.0197 in) with a
grounding bar
Figure 24: Roof mounted protection relay
Mounting
1MRS759115 E
36 REX640
Installation Manual