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Speed controller for variable voltage 3~motors RUDT4T

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Code: #23131

Supplier: Ziehl Abegg AG

Transformer control units are available for simple and inexpensive speed control of these motors or fans. These are available in different versions. In addition to versions which only output the appropriate voltage via the setting of the 5-step switch, there are, for example, devices which can also control dampers or valves. Advanced devices also perform motor protection functions. Another major advantage of transformer-based control units is speed control without electromagnetic excitation in the motors. The products are therefore also recommended for noise-sensitive areas.

rightMORE INFORMATION

  • Most ZIEHL-ABEGG external rotor motors are voltage controllable. For simple and cost-effective speed control of these motors and fans, transformer-based controllers are available. These can be supplied in various versions. In addition to versions that only generate the corresponding voltage by setting the 5-stage switch, there are also devices that can control dampers or valves.
     
    Versions, that switch between two adjustable stages via an external contact, are also available. Versions, that are controlled via a 5-step thermostat, are also available. Another, great advantage of transformer-based control devices is speed control without electromagnetic excitation in the motors. The products are therefore also recommended for areas that are sensitive of noise.
    Correspondingly, we supply thermostats which can be combined without the need of transformer-based controllers.

  • Operating indicator lamp
    for status indication. Device on/off.
    Speed setting
    The desired speed is set via the integrated 5-step switch. Devices with two adjustable speeds or devices with 0-10 V control can also be supplied.
    Output voltage:
    1~ units: 65 - 110 - 135 - 170 - 230 V
    3~ units: 95 - 145 - 190 - 240 - 400 V
    Please refer to the respective device connection diagram, depending on model.
    Digitale Input
    For external, floating contact to issue an authorisation for the preselected step (on/off); e.g. connect room thermostat SRE1G.
    Digital input for frost protection
    For external, floating contact. If a frost protection thermostat responds, the device switches off. Resetting to switch position 0 required to restore.
    Integrated motor protection function
    Connection facility for thermostat "TB"
    Switched output in operation
    Switched phase 1~ 230 V, max. 1 A, e.g. for damper servo-motor.
    Change-over relay
    Floating change-over relay, max. load 250 V AC, 2 A, to control external devices.
    Standard conformity
    Interference emission according to EN 61000-6-3 (domestic)
    Interference immunity according to EN 61000-6-2 (industrial)

 
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