Ex plug for zone 1/21, 63 A, 5-pin, 346-415 V, 6 h, cable entries: 1, polyamide, cable entries/housing holes: Ø 19 - 34 mm, housing material: polyamide, rated voltage: up to 690 V AC, frequency: up to 400 Hz, rated current: 63 A, marking according to 94/9/EC: Ex II 2 G Ex de IIC T5/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): 272 x Ø 210 mm, weight: 0.75 kg, protection class: I, protection type according to EN 60529: IP66,