Cable gland, cable entry=M25, bore diameter=25.5mm, use cable NYM/NYY, 4-core=H05VV-F5x2.5/5x4, NYM 5x2.5/5x6qmm, 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,