Ex plug for zone 1, max. 16 A (T6) / 20 A (T5), 7-pin, 250 V, 7 h, cable entries: 1, polyamide, cable entries/housing holes: Ø 9 - 17 mm, housing material: polyamide, rated voltage: 500 V AC, frequency: up to 400 Hz, rated current: max. 16 A (T6) / 20 A (T5), marking according to 94/9/EC: Ex II 2 G Ex e II T6/T5 or Ex II 2 G Ex de [ia] IIC T6/T5, EC type examination certificate: PTB 00 ATEX 1109, permissible ambient temperature: -20 °C to 40 °C, dimensions (L x W x H): 145 x Ø 77 mm, weight: 0.3 kg, Protection class: I, Protection type according to EN 60529: IP66,