Nanjing Acmelec Electric Co.,Ltd. is a manufacturer supplying Damper Actuator, Motorized air damper, Digital thermostat, Floor heating thermostat,Motorized valve, Modulating valve,Butterfly valve located in Nanjing,China.We develop manufacture and market products and components for the building automation systems and HVAC control market.

Damper actuator      AEF-DF24S

  • Description
Technical data
   Electrical data
   Nominal voltage                                                   AC 24V, 50/60Hz, DC 24V
   Nominal voltage range                                       AC/DC 19.2 …28.8V
   Power consumption In operation                     2 W @ nominal torque
   At rest                                                                     0.2W
   For wire sizing                                                      4 VA
   Auxiliary switch                                                     SPDT, 1mA…3(0.5)A, AC250V
    (0…100% adjustable)
   Connection Motor                                                Cable 1m, 3×0.75mm2
   Auxiliary switch                                                     Cable 1m, 3×0.75mm2
    Functional data 
    Torque (nominal torque)                                   20Nm @ nominal voltage
    Direction of rotation                                            Reversible with switch
    Manual override                                                  Gearing latch disengaged with, self-resetting
    Angle of rotation                                                  Max.9, limited on both sides by means of adjustable,
                                                                          mechanical end stops
    Running time                                                      150 s
    Sound power level                                              Max.45Db (A)
    Position indication                                              Mechanical, pluggable
   Safety  
    Protection class                                                   Ⅲ Safety extra-low voltage
    Degree of protection                                           IP54 in any mounting position
    EMC                                                                       CE according to 89/336/EEC
    Mode of operation                                               Type 1(to EN60730-1)
    Ambient temperature range                              -30…+50
    Non-operating temperature                              -40…+80
    Ambient humidity range                                    95% r.H., non-condensating(EN 60730-1)
    Maintenance                                                        Maintenance-free
   Weight                                                                   Approx.1050g

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