ABB RELION REX640 Installation Manual page 32

Mounting
A
B
C
4.3.2.2 Roof mounting protection relay
1.
32
338.0 mm (13.3071 in)
265.0 mm (10.4331 in)
255.7 mm (10.0669 in) with compression type CT/VT connectors
276.6 mm (10.8898 in) with ring-lug type CT/VT connectors
287.5 mm (11.3189 in) with a grounding bar
A minimum of 50 mm (1.9685 in) space is needed between two kits.
Check the allowed minimum bending radius from the optical cable
manufacturer.
Drill M5 screw holes or through holes to the roof inside the cabinet according to
the dimensional drawing.
A minimum of 50 mm (1.9685 in) space is needed from the back wall.
1
B
C D
A 387.0 ±0.4 mm (15.2362 ±0.01575
in)
B Ø 6.0 mm (0.2362 in)
C 175.0 ±0.4 mm (6.8898 ±0.01575
in)
D 140.0 ±0.4 mm (5.5118 ±0.01575 in)
Figure 20: Drilling screw holes
A
E
E min. 32.5 mm (1.2795 in)
F min. 50 mm (1.9685 in)
1 M5 screw
1MRS759115 E
F
REX640
Installation Manual