Ex repair wall socket for zone 1/21, 16 A, 3-pin, 200-250 V, 6 h, housing holes: 2 x M20, metal thread, cable entries/housing holes: 2 x M20 metal thread without screw connection/screw cap with external earth, housing material: glass fiber reinforced polyester, polyamide, rated voltage: 400 V AC, frequency: 50/60 Hz, rated current: 16 A, EC type examination certificate: PTB 00 ATEX 1032 X, permissible ambient temperature: -20 °C to 40 °C, dimensions (L x W x H): 223 x 90 x 121 mm, weight: 1.2 kg, protection class: I, protection type according to EN 60529: IP66,