SFA Return Type, Belimo SFA | Open/Close Damper Actuator, 20Nm, 19.2 → 264 V ac, 21.6 → 137.5 V dc

Belimo Damper Actuator
The Belimo Sf series damper actuator has an open/close control type. It is a spring return actuators with an emergency function for adjusting air dampers in ventilation and air conditioning systems in buildings. It has an adjustable U-clamp, which accepts round or square shafts. This actuator can be installed with a pre-tensioned spring. This product is controlled with a standard signal of DC 0V to 10V and moves the damper to the operating position. This actuator is overload proof, requires no limit switches. It requires AC supply voltage between 19.2VAC and 264VAC and DC supply voltage between 21.6VDC and 137.5VDC. It has 2 x SPDT integrated auxiliary switches
Features and Benefits
The direction of rotation reversibleSpindle driver universal spindle clamp Operating voltage ranges between 2VDC and 10VDC Running springtime is 20sPVC connection cable length is 1m Motor and return torque is 20NmMaximum damper area is 4m²Damper spindle compatibility ranges between 10mm and 25.4mm Power consumption is 7WNoise level ≤45 (Motor) dBA, ≤62 (Spring Return) dBARated impulse voltage is 0.8kVMaintenance-freeService life min. 60,000 emergency positionsAmbient temperature ranges between -30°C and 50°C
Certifications
IEC/EN 60730-1UL 60730-1AUL 60730-2-14CAN/CSA E60730-1:02IP54