Strain-relief of 3-pole couplers for 4 mm2 cables

The separate strain-relief for 4 mm2 cables, diameter Ø 12 - 16 mm. The strain-relief can be used with 3-pole plug and socket couplers without strain-relief, eg. NAC31.W and NAC32.W. Weight 14,0 g. It is not allowed to sell or use this product in Germany.