According to DIN EN 62444, protection class according to EN 60529, with integrated sealing lip, M40 - M63 with sealing ring, UV-resistant, silicone-free, operating temperature range: -40°C to +100°C, thread length: - PKVM12, PKVM16 = 9 mm, - PKVM20, PKVM25 = 10 mm, - PKVM32, PKVM40 = 12 mm, - PKVM50 = 14 mm, - PKVM63 = 15 mm,