ABB NALF Series - Cable connections to NAL;F terminals; How to install the medium voltage cable lug?

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Cable lugs should always be placed on the upper
side of the switch terminal and face up (Fig.4).
It is recommended to use a is conical spring
washer DIN 6796 mechanical zinc plated.
The length of the fastening bolts used for the
cable lug connections should not protrude beyond
the nut by more than 2-3 threads after tightening.
(Fig.5).
8.1 How to install the medium voltage cable lug?
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2 Proper cable lug connection
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3 Proper cable lug connection
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4 Recommended assembly method of medium voltage cable lug
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5 Proper connection with the switch-disconnector terminal
Upper side
Lower side
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8.0 Cable connections to NAL/F
terminals
Max. 2÷3 thread
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WARNING
Improper installation of cable connections
to the switch-disconnector terminals
cause an operational hazard.