9
742.114 | 14.50
EN
4.3.2
Preparing the cable openings
The cables can be fed through openings in the rear wall of the casing or at the bottom
of the casing. The openings are pre-punched and must be prepared as required before
installation.
Prepare the cable openings in the rear wall of the casing as follows:
1. Break out the cable openings
(Fig. 3) using a suitable tool.
2. Deburr the edges.
Prepare the cable openings at the bottom of the casing as follows:
1. Cut the
required
cable openings
(Fig. 3) at the left and right using a suitable knife
and break them out.
2. Deburr the edges.
4.3.3
Connecting the cables
√ All cables are voltage-free.
√ The cable openings have been prepared.
X
Observe the following points when connecting the cables:
• Connect the cable conductors to the correct terminals as described in Section
4.4, p. 10.
• Mains input and outputs: First connect
PE
, then
N
and
L
.
• Strain relief:
– First clamp the
lower
strain relief clamps and then the
upper
strain relief clamps.
– When using the upper strain relief clamps, use the plastic links as described
below.
– If the opening in the strain relief clamp is too large, e.g. in the case of thin ca-
bles, turn over the strain relief clamping bar (with the bend facing down).
– Only use the strain relief clamps for cables entering the bottom of the casing.
Use external strain relief clamps when feeding cables through the rear of the
casing.
4.3.4
Inserting / Removing plastic links
Insert the plastic links as follows:
1. Insert the right plastic link with the latching protrusion first
(Fig. 4).
2. Press the other side of the plastic link down
, until the spring clamp latches into
place.
3. Insert the left plastic link the other way around (latching protrusion to the left,
spring clamp to the right).
Fig. 4: Inserting the right plastic link
Remove the plastic links as follows:
1. Insert a flat-blade screwdriver under the right plastic link between the casing and
the spring clamp
,
(Fig. 5).
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