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2021-02-10 / V1.0
Contactors C195 Series – Installation and Maintenance Instructions
Installation
7.2.7 Connecting the main contacts
ATTENTION
Ensure that the connection points for the main con-
tacts are free from corrosion.
Main contact connection with cables
The connecting cables of the main power circuit must
be fitted with appropriate ring terminals (for M8 termi-
nal screws).
Examples for the connection with cables are shown in
in
Fig. 29
to
Fig. 32
dargestellt.
X
Route the pre-assembled connecting cables (3) to
the main contacts (1).
X
Place the ring terminals (2) on the main contacts
(1).
ATTENTION
Make sure that according to the insulation class
there is sufficient clearance between the main con-
nections and the pole plates.
X
Screw the ring terminals (2) to the main contacts
(1) using the terminal screws (4) and washers (5).
-
Schaltbau recommends using Schnorr washers
(or similar).
X
Depending on the contactor type, tighten the ter-
minal screws (4) with the prescribed torque accor-
ding to the table below.
Type
Terminal
screws
Torque
C195 X/
M8
8-10 Nm
C195 A/
9.5-12 Nm
C195 B/
9.5-12 Nm
C195 S/
9.5-12 Nm
C195 T/
9.5-12 Nm
C195 W/
9.5-12 Nm (NO contacts)
4.8-6 Nm (NC contacts)
1
3
8-10 Nm
1
3
4
5
2
8-10 Nm
Fig. 29: C195 X/: Connecting the main contacts: Example of a
connection with cables
9.5-12 Nm
4
1
3
5
9.5-12 Nm
2
Fig. 30: C195 A/, C195 B/: Connecting the main contacts: Ex-
ample of a connection with cables (the figure shows
C195 A, the procedure is identical for C195 B/)