ABB RELION REX640 Installation Manual page 48

Mounting
A
C
A
B
C
Figure 36: Door mounted protection relay with local HMI
4.3.3.3 Rack mounting protection relay with local HMI
1.
48
B
265.0 mm (10.4331 in)
339.0 mm (13.3465 in)
313.2 mm (12.3307 in)
with compression type CT/VT
connectors
325.1 mm (12.7992 in) with ring-lug
type CT/VT connectors
345.0 mm (13.5827 in) with a
grounding bar
Mount the LHMI and the mounting bracket to the rack plate.
a) Attach the 7U rack plate to the rack frame.
b) Mount the LHMI with its own installation brackets to the LHMI cutout.
c) Mount the mounting bracket to the 7U rack plate with M5 screws.
d) Tighten the M5 screws to 4 Nm ±5% (2.9502 ft-lb ±5%).
e) Mount the M5 screws in the upper holes of the mounting bracket, but do
not tighten them. Leave them 3...4 mm (0.1181...0.1575 in) open.
F
D
D 7.6 mm (0.2992 in)
E 212.5 mm (8.3661 in)
F 177.5 mm (6.9882 in)
1MRS759115 E
E
Installation Manual
REX640