20
2021-07-15 / V1.0
Installation
Contactors C320K/C320S – Installation and Maintenance Manual
Connection example using busbars
As an alternative to connection using wires, the main
power circuit can be connected with busbars.
Examples for the connection with busbars are shown in
Fig. 15
and
Fig. 16
.
X
Route the busbars (3) to both main contacts (4).
X
Screw the busbars (3) to the main contacts (4) us-
ing the terminal screws (1), nuts (5) and suitable
screw locking elements (2).
-
Schaltbau recommends using Schnorr washers
(or similar).
X
Tighten the terminal screws (1) to a torque of
10 ... 12 Nm.
4
4
1
2
3
2
5
2
5
3
1
2
10...12 Nm
10...12 Nm
Fig. 15: C 320K: Connecting the main contacts (connection
example using busbars)
4
4
1
1
2
3
2
5
2
5
3
10...12 Nm
10...12 Nm
2
Fig. 16: C 320S: Connecting the main contacts (connection
example using busbars)
