Helukabel Cable Glands & Bushes Cable gland 630505 - HELUKABEL 906691, Helukabel's 906691 Cable Gland is a black, polyamide M20 component designed for explosion protection. The HELUTOP HT-PA-EX range offers reliable screw connection solutions for hazardous environments. Ideal for securing cable entries in ATEX-certified applications where safety is paramount. HELUKABEL 906691 HELUTOP ATEX Cable Gland M20 Polyamide Black