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Electrical connection
6.5 Conductor connection
Assembly of clamping device
6.5.1
Connection with/without cable lugs
In the case of terminals with terminal clamps, distribute the conductors in such a way that the
clamping heights on both sides of the fillet are about the same. This method of connection
requires that you must bend a single conductor in a U shape or use a cable lug. The same applies
to the inner and outer terminals of the ground conductor.
When connecting up using cable lugs, select their size corresponding to the required cable
cross-section and the stud size. An inclined arrangement is only permitted provided the
required air clearances and creepage distances are carefully maintained.
Remove insulation from the ends of the conductors so that the remaining insulation almost
reaches the cable lug.
Note
The direct contact between the cable lug surfaces and the contact nuts or contact screws ensure
that the connection can conduct current.
Short-circuit hazard
Live conductors released from the terminal board can cause short circuits. Death or serious
injury can result.
• You must bend single-core line conductors into a U shape in order to prevent the contact
• In order to prevent the cable lug from rotating, for a line connection using a cable lug, angle
90
WARNING
force being transferred at just one side.
single- or multi-core cables downwards through an angle of approx. 40°.
M8, M10, M12, M16
Mount the clamping devices on the terminal board at a distance of
0.1 mm ... 1 mm with respect to the lock nuts.
1MB..1/2/3/4 - shaft heights 63 ... 355
Operating Instructions, 11/2023, A5E52779900A
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