Products | Quarter turn actuators – choice
![Schischek Colour Code](../img_layout/schischek-colour-code.gif)
Electric 90° quarter turn actuators size S and M
5-150 Nm, IP66, with/without Spring return
![Quarter turn actuators for automation of air dampers, fire and smoke dampers, volume control, as well as for ball valves, throttle valves and other quarter turn armatures Quarter turn actuators for automation of air dampers, fire and smoke dampers, volume control, as well as for ball valves, throttle valves and other quarter turn armatures](../images/Max_Ex-Red-In_background.jpg)
Explosion proof
Industry
ExMax..
zone 1, 2, 21, 22
RedMax..
zone 2, 22
InMax..
no Ex-protection
Explosion proof
Gas + Dust
Certified according
ATEX, IECEx,
EAC, INMETRO
KOSHA, UL*, CSA*
*...-A version only
Explosion proof
Gas + Dust
Certified according
ATEX, IECEx,
EAC, INMETRO
UL*, CSA*
*...-A version only
IP66 Actuators
for industrial applications
NOT Explosion proof
Only for use in safe area