Ex wall socket for zone 1, max. 10 A, 21-pin, 6 h, cable entries: 1 x M40, polyamide, cable entries/housing holes: 1 x plastic cable entry M40 for Ø 17 - 28 mm, housing material: glass fiber reinforced polyester, rated voltage: up to 250 V AC, frequency: up to 400 Hz, rated current: max. 10 A, marking according to 94/9/EC: Ex II 2 G Ex e II T6 / Ex II 2 G Ex de [ia] IIC T6, EC type examination certificate: PTB 00 ATEX 1109, permissible ambient temperature: -20 °C to 40 °C, dimensions (L x W x H): 290 x 120 x 175 mm, weight: 1.8 kg, protection class: I, protection type according to EN 60529: IP66,