Cable gland, cable entry=M20, bore diameter=20.5mm, use of cable NYM/NYY, 4-core=H05VV-F4x2.5/3x4, NYM 5x1.5/5x2.5qmm, protection class IP68 up to 5 bar (30min), polyamide, halogen-free, RAL 7035, with lock nut and integrated strain relief, fire class V2 according to UL94,