... 2.compact size in small and light body 3.little noise LF520 Blowing Face Damper Actuator In the automobile air conditioning system ... , the actuator is mainly used for the accurate and automatic control of heater ... ’s more, it makes the automatic control for automobile temperature easy, which is ... : <450 mA; Angle: 20°±2°,4°±2°,348°±2° LF520 Blowing Face Damper Electric Actuator