Actuator ATEX ExMax
Schischek ExMax
Schischek ExMax quarter-turn explosion-proof actuators for use in zones 1, 2, 21, and 22.
ATEX certified for gas and dust. Optional feedback signal, limit switches, and spring return for different torque ratings.
Schischek ExMax explosionproof quarter-turn actuators for use in Zone 1, 2, 21, 22. Gas + Dust certified. Compact and robust, with enclosure material, offshore/marine coating and failsafe options.
For automation of air dampers, fire and smoke dampers, volume control, ball valves, throttle valves and other quarter-turn armatures.
24 V cc/ca
IP 66
Yes
5 - 150 Nm
3 or 10 seconds at 90º
2 potential-free contacts actuated at 5° and 85° rotation angle, 2 × EPU, max. 24 V/3 A, 230 V/0.25 A
Rotation angle 95°. Pre-tension 5°.
Aluminium housing.
Operating: -40…+40 °C at T6 and -40…+50 °C at T5 Storage: -40…+70 °C
3.5 kg (7 kg with stainless steel housing)
210 x 95 x 80 mm
ATEX Directive, IECEx, INMETRO, KOSHA, CSA, UL, EAC, JPEx, CCC.
Optional
Torque 5-10 Nm, ON/OFF 3-pos
Torque 5-10 Nm, return spring 3 or 10 s at 90º
Torque 15-30 Nm, ON/OFF 3-pos
Torque 15-30 Nm, return spring 3 or 10 s at 90º
Torque 5-10 Nm, proportional control 0...10 Vdc/4...20 mA, feedback 0...10 Vdc/4...20 mA
Torque 5-10 Nm. Proportional control 0...10 Vdc/4...20 mA, feedback 0...10 Vdc/4...20 mA. Return spring 3 or 10 s at 90º
Torque 15-30 Nm, proportional control 0...10 Vdc/4...20 mA, feedback 0...10 Vdc/4...20 mA
Torque 15-30 Nm. Proportional control 0...10 Vdc/4...20 mA, feedback 0...10 Vdc/4...20 mA. Return spring 3 or 10 s at 90º
2 auxiliary contacts
Aluminium encapsulation and marine corrosion-resistant coating.
Stainless-steel encapsulation for aggressive environments.








