Locking screw according to former DIN 46320, with Pg connection thread according to DIN 40430, halogen-free. Tightening the locking screw by hand is only recommended! Nominal size: Pg 36 Connection thread length: 10 mm Operating temperature range: -30° to 60°C Glow wire test according to DIN EN 60695-2-10+11/VDE 0471-2-10+11: 650° Protection class: IP54 with connection thread sealing ring 987/... (please order separately!): IP68 Material: Polystyrene Color: light gray RAL: 7035 (similar)