User guide

16
6640-2001
Removal
Press the device upwards to compress locking spring,tilt forward to unhook device from 
DIN-rail.
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.
Cooling
This unit uses convection cooling.To avoid obstructing the airflow 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 operat-
ing temperature range and service life.