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2021-02-10 / V1.0
Installation
Contactors C195 Series – Installation and Maintenance Instructions
9.5-12 Nm
1
4
5
7
1
5
7
Fig. 35: C195 S/, C195 T/: Connecting the main contacts: Ex-
ample of a connection with busbars (7)
7
9.5-12 Nm
1
4
5
7
6
6
Fig. 36: C195 S/, C195 T/: Connecting the main contacts: Ex-
ample of a connection with busbars (7) and connect-
ing bars (6)
Main contact connection with busbars (Changeover
contactor, only type C195 W/)
Contactors of type C195 W/ (changeover contactor)
have 2 upper main contacts (NC) (9) in addition to the
lower main contacts (NO) (1).
ATTENTION
Make sure that according to the insulation class
there is sufficient clearance between the main con-
nections and the pole plates.
X
Route the busbars (7) to the upper main contacts
(9).
X
Depending on the installation situation, use addi-
tional connecting bars (6) or compensating angled
connecting bars if necessary.
X
Connect the busbars (7) to the connecting bars
(6) or angled connecting bars using approriate
screws, nuts and washers.
-
Schaltbau recommends using Schnorr washers
(or similar).
X
Connect the connecting bars (6) or angled con-
necting bars to the upper main terminals (9) using
the terminal nuts (10) and washers.
-
Schaltbau recommends using Schnorr washers
(or similar).
X
Route the busbars (7) to the lower main contacts
(1).
X
Depending on the installation situation, use addi-
tional connecting bars (6) or compensating angled
connecting bars if necessary.
X
Connect the busbars (7) to the connecting bars
(6) or angled connecting bars using approriate
screws, nuts and washers.
-
Schaltbau recommends using Schnorr washers
(or similar).
X
Connect the connecting bars (6) or angled con-
necting bars to the lower main terminals (1) using
the terminal screws (4) and washers (5).
-
Schaltbau recommends using Schnorr washers
(or similar).
X
Tighten the upper terminal nuts (10) to a torque
of 4.8-6 Nm.
X
Tighten the lower terminal screws (4) to a torque
of 9.5-12 Nm.
1
9.5-12 Nm
4.8-6 Nm
7
6
6
6
6
7
7
7
9
10
5
4
Fig. 37: C195 W/: Connecting the main contacts: Example of
a connection with busbars (7) and connecting bars (6)
to NO and NC contacts
