- Brand: Belimo- Model: SM24-SR- Type: Spring Return Damper Actuator- All tech specs: - Function: Spring return rotary actuator with spring return fail-safe for air dampers and ball valves - Torque: 15 Nm - Control Signal: Proportional - Nominal Voltage: 24 V AC - Power Consumption: 2 W - Running Time (motor): 100...200 s / 90° (adjustable) - Running Time (spring return): < 20 s - Angle of Rotation: Max. 95° - Position Feedback: Built-in 2-10 V DC feedback signal - Protection Rating: IP54 - Ambient Temperature: -30°C to +50°C - Housing Material: Die-cast aluminium and plastic - Certifications: CE, UL, cULus - Features: Brushless motor, overload protected, no end stops required, self-locking gear, easy mounting- Dimensions: 250 x 140 x 80 mm- Weight: 1.7 kg- Country of origin: Switzerland- HS code: 850110