Ex-e trumpet screw connection polyamide, IP66, M40, clamping range 19 - 27 mmN/A, housing material: polyamide, wrench size: 50, marking according to 94/9/EC: Ex II 2 G Ex e II / Ex II 2 D Ex tD A21 IP66, EC type examination certificate: PTB 00 ATEX 3121, permissible ambient temperature: -40 °C to 85 °C, protection class according to EN 60529: IP66,