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2019-03-06 / V1.0
Contactors CT/CU Series – Installation and Maintenance Instructions
Installation
Electrical installation of the earth terminal
Depending on the contactor type, see Fig. 39 to Fig. 42.
Preconditions
- The earthing cable must be tted with an appro-
priate cable lug.
- For conductors with short mounting plates only:
The protection cap of the auxiliary switches is re-
moved.
X
For conductors with short mounting plates:
First remove the protection cap of the auxi-
liary switches, see section “9.2 Mechanical
installation”/”Remove the protection caps”.
X
Screw the cable lug (1) of the earthing cable on
the earthing terminal (2) using the appropriate
screw (3) and washer (4).
- Schaltbau strongly re commends Schnorr-Wash-
ers (or similar) to secure the screws.
X
Tighten the screw (3) with a torque of 10 Nm.
X
If the protection cap of the auxiliary switches has
been removed:
Reattach the protection cap, see section „9.3 Elec-
trical Installation“/“Reattach the protection caps“.
3
4
1
2
Fig. 39: CT/CU 1115/04, 1130/04, 1115/08/10, 1130/08/10:
Install earthing cable
1
2
3
4
Fig. 40: CT/CU 1215/04, 1230/04, 1215/08/10, 1230/08/10:
Install earthing cable
1
2
3
4
Fig. 41: CT/CU 1115/11, 1130/11: Install earthing cable
1
2
3
4
Fig. 42: CT/CU 1215/11, 1230/11: Install earthing cable