ABB ACS800-01 - Free Space Around the Unit

Mechanical installation 31
Free space around the unit
Required free space around the drive to enable cooling air flow, service and
maintenance is shown below in millimeters and [inches]. When you install IP55 units
above one another, leave 200 mm (7.9 in.) of free space above and below the unit.
IP21 (UL 1)
IP55 (UL 12)
50 [2.0]
50 [2.0]
50 [2.0]
50 [2.0]
50 [2.0]
50 [2.0]
200 [7.9]
300 [12]
Air flow (side view)