Ex safety switch for controlled three-phase drives 80 A for Zone 1/21, 3-pole, auxiliary contact: 1S+1Ö, cable entries: 2 x M50 + 2 x M25, polyamide, cable entries/housing holes: 2 x cable entry M50 for Ø 22 mm - 35 mm, 2 x cable entry M25 for Ø 8 mm - 17 mm, housing material: glass fiber reinforced polyester, rated voltage: up to max. 690 V, frequency: 50 - 60 Hz, rated current: max. 80 A, marking according to 94/9/EC: Ex II 2 G Ex ed ia IIC T6 / Ex II 2 D Ex tD A21 IP66 T80 °C, EC type examination certificate: PTB 00 ATEX 1091, permissible ambient temperature: -20 °C to 40 °C, dimensions (L x W x H): 271 x 271 x 275 mm, weight: 7.1 kg, protection class: I, protection type according to EN 60529: IP66, connection terminals main contact: 2 x 25 qmm,