ABB AC 800M

Mounting Dimensions for proper Ventilation Section 2 Installation
90 3BSE 027 941 R301
Mounting Dimensions for proper Ventilation
To maintain adequate cooling airflow through the AC 800M Controller units, there
must be no obstruction within 50 mm (2 in) above and 25 mm (1 in) below the units,
as shown in Figure 26 on page 90. Note that the CPU and Communication
Interfaces must be mounted on a horizontal DIN-rail.
Figure 26. Ventilation Requirements – Minimum Mounting Dimensions
>240 m
m
(9.4 in)
>50 mm (2.0 in)
>50 mm (2.0 in)
>25 mm (1.0 in)
>25 mm (1.0 in)
Unobstructed areas
Unobstructed areas