Actuator for air dampers BELIMO SFA

Actuator for air dampers BELIMO SFA
Spring return drive with emergency function for flap adjustment in building services
• Flap sizes up to approx. 4 m²
• 20 Nm torque
• power voltage
AC 24 ... 240 V / DC 24 ... 125 V
• open-close control

Electrical data

• supply voltage AC 24 ... 240 V / DC 24 ... 125 V
• supply voltage frequency 50/60 Hz
• operating range AC 19.2 ... 264 V / DC 21.6 ... 137.5 V
• power consumption 7 W
• power consumption - idle position 3.5 W
• sizing power 18 VA
• power / control connection cable 1 m, 2 x 0.75 mm²
• parallel operation yes (observe power data)

Functional data

• motor torque min. 20 Nm
• return spring torque min. 20 Nm
• motor running direction selectable by mounting L / R
• Emergency function direction selectable by mounting L / R
• manual override with handle with lockable switch
• working angle max. 95 °
• working angle - recommendations adjustable with adjustable
• mechanical stops
• 75 s / 90 ° motor adjustment time
• emergency function reset time <20 s / 90 °
• adjustment time hav. functions - warning <20 s @ -20 ... 50 ° C / <60 s @ -30 ° C
• motor noise level 45 dB (A)
• universal shaft 10 ... 25.4 mm
• mechanical position indicator
• min. 60000 emergency positions

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Belimo SFA - datasheet/cz/