- DC, single or 3 phase power supplies - Secure, self-locking drives, suitable for butterfly valves and dampers, without the use of additional brakes - Available with a watertight enclosure to IP68 (NEMA 4 & 6), or with a flame-proof (explosion proof) and watertight enclosure to IP68 (NEMA 4 & 6) - Externally adjustable mechanical output stops are provided, with a setting range of 80¬š° - 100¬š° of movement. - - The setting of these provides travel limitation for both electrical and manual operation. - The AQ actuator is designed to `torque off` at each end of travel, against it`s adjustable, mechanical stops. - - - This feature enables adjustment of travel limits, without removing electrical covers |