21
2021-06-09 / V1.0
Contactors CPP series – Installation and Maintenance Manual
Installation
Connecting the main contacts
ATTENTION
Ensure that the connection points for the main con-
tacts are free from corrosion.
The main connection cables for the optional CPP must
be fitted with appropriate ring terminals (for M5 termi-
nal screws).
X
Route the cables (3) to the contact terminals (2) of
the CPP (1).
ATTENTION
For DC versions, make sure to observe the correct
polarity.
X
Screw the ring terminals (3) in place using the ter-
minal screws (4) and suitable screw locking ele-
ments.
-
Schaltbau recommends using Schnorr washers
(or similar).
X
Tighten the terminal screws (4) to a torque of
4 - 5 Nm.
4 - 5 Nm
1
4
3
4
3
4 - 5 Nm
2
2
Fig. 15: Connecting the main contacts: Connection example
of a built-in version
4 - 5
Nm
4
3
2
2
1
4
4 - 5
Nm
3
Fig. 16: Connecting the main contacts: Connection example
of a stand-alone version
Alternatively, the main contact connec-
tion can also be made using busbars. The
procedure is the same as for connection
with cables.
