Arranging Ventilation - ABB Relion 650 Series Installation Manual

1MRK 514 016-UUS B
5.3.2

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 2U 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.
650 series
Installation manual
Check the allowed minimum bending radius from the optical cable manufacturer.
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Section 5
Mounting
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