Damper-actuator fail-safe for adjusting air dampers in technical building installations Air damper size up to approx. 2m² Torque motor 10Nm Nominal voltage AC/DC 24V Control Modulating 2...10VDC Position feedback 2..10VDC Running time motor: below 150s Running time spring: below 20s Delivery Lead Time: 1-2 weeks upon order confirmation