Installation Guide

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MDS-G4020/28 and MDS-G4020/28-L3 Series
1. Insert the upper lip of the DIN rail into the DIN-rail mounting kit.
2. Press the device towards the DIN rail until it snaps into place.
3. Pull down the two latches one by one to release the DIN-rail kit
and lift up to remove the device from the DIN rail.
NOTE
The DIN rail must use the TS35 (15 mm) specification.
Wall-mounting Dimensions and Instructions
(Optional: WK-112-01)
NOTE
The wall-mount kit is certified for Hazardous Location usage.
Mounting the switch to a wall requires
four
screws. The
heads of the screws should be between 6.0 to
9.0 mm
in diameter, and the diameter of screw thread should
be between 3.5 to 4 mm, as shown in the figure on the
right
. Use the switch with the wall-mounting kit
attached as a guide to mark the correct locations of
the eight screws.