Schaltbau CP Series - Checks

27
2021-04-12 / V1.1
Contactors CP Series – Installation and Maintenance Instructions
Installation
8.5 Checks
After the installation, perform the following checks:
X Check that the contactors are correctly installed
on the mounting plate or mounting frame and
tightly screwed in place.
X Check that the connecting cables or busbars are
correctly installed and t tightly at the main con-
tacts.
X Check that the control wires of the coil terminals
are correctly installed and have the correct polar-
ity.
X Check that the control wires are correctly connect-
ed to the auxiliary switches.
X Check the correct assignment and function of the
auxiliary switches using a continuity tester.
X Check that the earthing cable is correctly installed
and ts tightly at the earthing terminal.
X Ensure that the arc chambers are latched securely
(only for devices with arc chambers).
X Switch the contactor several times without electric
load in the main circuit.
X Check the pull-in and drop-o voltage based on
the Schaltbau specications. See catalogue C40.
The catalogue is available under:
https://www.schaltbau.com/en/media-library/
X Check the routing of the wiring.
- Wires must not be squeezed or bent.
- If applicable bundle and secure wires using ca-
ble ties.
X After every installation or after maintenance, check
the contactor for correct operation in accordance
with the following standards:
- EN/IEC 60077-2
- EN/IEC 60947-4-1