Ex wall socket for zone 1/21, 32 A, 4-pin, 200-250 V, 9 h, cable entries: 1 x M40, plastic, cable entries/housing holes: 1 x plastic cable entries M40 for Ø 17 - 28 mm, 1 x M40 Ex screw cap plastic, housing material: glass fiber reinforced polyester, polyamide, rated voltage: up to 750 V AC, frequency: up to 400 Hz, rated current: 32 A, marking according to 94/9/EC: Ex II 2 G Ex de (ia) IIC T6 / Ex II 2 D Ex tD A21 IP66 T60 °C, EC type examination certificate: wall socket, plug and coupling: PTB 99 ATEX 1041, permissible ambient temperature: -20 °C to 40 °C, dimensions (L x W x H): 285 x 120 x 166 mm, Weight: 1.8 kg, Protection class: I, Protection type according to EN 60529: IP66,