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-DF24

  • 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
    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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