The Belimo AF24 is a spring-return actuator designed for controlling air dampers with a safety function, such as frost or smoke protection. This actuator returns to the safety position upon power interruption and does not require end switches.

Main Features:

• Power Supply: AC/DC 24 V
• Minimum Torque: 15 Nm
• Cable Length: 1 m, 2x0.75 mm² (motor), 6x0.75 mm² (auxiliary switches for AF24-S)
• Adjustable Rotation Angle up to 95°

Specifications:

• Lifespan: up to 60,000 cycles
• Noise Level: motor max. 45 dB, spring approx. 62 dB
• Protection: IP54, protection class III
• Operating Temperature: -30 °C to +50 °C

The AF24 offers manual control and the possibility of mechanical mounting on dampers with various diameters using a universal clamp. The AF24-S model includes an adjustable auxiliary switch for signalling the rotation angle from 5% to 94%.