Actuating force 500 N, stroke 15 mm, mechanical position indication, actuating time 150 s, IP 54. This actuator has been designed for application in stationary heating, ventilation and air-conditioning systems and is not allowed to be used outside the specified field of application, especially in aircraft or in any other airborne means of transport. – Only authorized specialists may carry out installation. All applicable legal or institutional installation regulations must be complied with during installation. – The switch for changing the direction of motion/the closing point may be adjusted only by authorized personnel. The direction of stroke is critical, particularly in connection with frost protection circuits. – The device may only be opened at the factory by the manufacturer. It does not contain any parts that can be replaced or repaired by the user. – The device contains electrical and electronic components and is not allowed to be disposed of as household refuse. Local legislations must be obeyed when disposing the components. – For installation the local and international standards and regulations have to be followed.