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Valve Actuator, an electromechanical product can be made set with VB Series Valve body or other valves by different connectors. The power supply is 24 VAC OR 24 VDC. Types: on/off, Floating and Modulating (Proportional and Integral). CHARACTERISTICS Low AC voltage Synchronic Reversible Motor with Magnetic clutch. Valve working position indicator Two auxiliary switches and a manual control pole.(optional) Suitable for 15mm, 17mm and 19mm strike. Output could be 0 10 V DC or 4 20 A DC. Operation Model (DA or RA) can be elected by jumper. Convenient and easy mounting VA-3100(VA3102) VA-3200(VA3202) Operate/Control Reversible, increment control Proportional and Integral control Output:0-10VDC,4-20m A DC MotorBi-directional Synchronous Motor with magnetism clutch Power Supply of Motor 24 VAC 50/60 HZ,5.5 VA Power Consumption -------------- 2A Normal Torque 500 N for VA-31xx series,1000 N for VA-32xx series MaterialGear: stainless steel, Brass Reduce Down Panel: Zinc- galvanizated steel Bracket: die-casting aluminum alloy Shell: fire-proof PC ABS plastic Operating Time & Stroke VA-31xx series: 50 Hz:4.6 s/mm, 60 HZ:3.8 s/mm VA-32xx series: 50 Hz:8.3 s/mm, 60 HZ:6.9 s/mm Temperature Operation: -5 55 Storage: -20 65 Max. Relative HumidityNo condensing 90% no condensing