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Entry type: FAQ Entry ID: 21656695, Entry date: 05/13/2014

Pulling forces for conductors with Cage Clamp connection technology

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What pulling forces apply for round copper conductors that are connected to spring-type terminals of  low-voltage switchgear?




Acc. to table 5 of IEC 60947-1 round copper conductors that are connected to low-voltage switchgear, must withstand the following pulling forces:

Extract of table 5

cable cross section maximum pulling force
1,5 mm² 40 N
2,5 mm² 50 N
4 mm² 60 N
6 mm² 80 N
10 mm² 90 N
16 mm² 100 N
25 mm² 135 N


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