Ex safety switch emergency stop 20 A for zone 1/21, 3-pole, auxiliary contact: 1S, cable entries: 2 x M32 + 1 x M25, polyamide, cable entries/housing holes: 2 x cable entry M32 for Ø 12 mm - 21 mm, 1 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. 20 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 99 ATEX 1161, permissible ambient temperature: -20 °C to 40 °C, Dimensions (L x W x H): 170 x 110 x 129 mm, Weight: 1.6 kg, Protection class: I, Protection type according to EN 60529: IP66, Connection terminals main contact: 2 x 4 mm²,, Design as load-break switch: Yes, Design as main switch: Yes, Design as maintenance/repair switch: Yes, Design as safety switch: Yes, Design as EMERGENCY STOP device: Yes, Max. rated operating voltage Ue at AC: 660 V, Rated continuous current Iu: 20 A, Rated operating power, AC-3, 400 V: 8 kW, Number of poles: 3, Number of auxiliary contacts as normally closed contacts: 1, Number of auxiliary contacts as normally open contacts: 1, Motor drive optional: No, Motor drive integrated: No, Voltage release optional: No, Device design: Complete device in housing, Suitable for floor mounting: No, Suitable for front mounting 4-hole: No, Suitable for front mounting central: No, Suitable for distribution board installation: No, Suitable for intermediate installation: No, Design of the actuating element: Rotary knob, Lockable: Yes, Connection type main circuit: Screw connection, Protection class (IP), front: IP66
