Arranging Ventilation - ABB Relion 650 Series Installation Manual

Section 5
Mounting
GUID-5C185EAC-13D0-40BD-8511-58CA53EFF7DE V1 EN-US
Figure 12:
A 1 inches (25.5 mm)
B 8.66 inches (220 mm)
C 0.51 inches (13 mm)
D 10.47 inches (265.9 mm)
E
F
G 8.82 inches (224 mm)
5.3.5

Arranging ventilation

Ventholes are located at the bottom and on the back plate of the IED. Reserve sufficient space
round the IED to ensure adequate ventilation.
• Reserve at least 1U below and above the unit.
• Reserve for rack mount approximately 10 cm behind the unit, measured from the surface of
the cover.
• Ensure sufficient space for the wiring and the installation of cable ducts.
30
10.18 inches (258.6 mm)
10.47 inches (265.9 mm)
Check the allowed minimum bending radius from the optical cable manufacturer.
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1MRK 514 014-UUS A
GUID-9E1949A6-180D-4626-9784-C06A9A65FE89 v1
650 series
Installation manual