The Siemens OpenAir™ damper actuators offer a comprehensive and technically advanced product range with a modern design. A wide range of selection criteria are available including:

• choice of 90° rotary actuators with torques from 5-35Nm or linear actuators with forces from 125-440N
• operating voltages 24Vac or 230Vac
• control types 2-position, 3-position or analogue (0-10Vdc)
• spring return or non-spring return
• available with externally adjustable end switches and feedback potentiometers