Westermo DDW-120 - Manual (Page 21)

21 6621-2214
Cooling
This unit uses convection cooling. To avoid obstructing the air-
flow around the unit, use the following spacing rules. Minimum
spacing 25 mm (1.0 inch) above /below and 10 mm (0.4 inches)
left /right the unit. Spacing is recommended for the use of unit
in full operating temperature range and service life.
Mounting
This unit should be mounted on 35 mm DIN-rail, which is
horizontally mounted inside an apparatus cabinet, or similar.
Snap on mounting, see figure.
CLICK!
CLICK!
Removal
Press down the black support at the top of the unit. See figure.
10 mm *
(0.4 inches)
25 mm
25 mm * Spacing (left/right) recommended for
full operating temperature range