Ex wall socket for zone 1/21, 63 A, 5-pin, 346-415 V, 6 h, housing holes: 2 x M40, metal thread, cable entries/housing holes: 2 x M40 metal thread with Ex screw cap plastic, housing material: glass fiber reinforced polyester, polyamide, rated voltage: 500 V AC, frequency: up to 400 Hz, rated current: 63 A, marking according to 94/9/EC: Ex II 2 G Ex de IIC T6 / Ex II 2 D Ex tD A21 IP66 T80 °C, EC type examination certificate: PTB 00 ATEX 1070, permissible ambient temperature: -20 °C to 40 °C, dimensions (L x W x H): 475 x 200 x 226 mm, weight: 8.1 kg, protection class: I, Protection class according to EN 60529: IP66,