DEMZ

Power controls

2-speed three-speed motor starters

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DEMZ

Power controls


2-speed three-speed motor starters

  • Rotary switch, stop + 2 speeds
  • Power contactors and thermal protections
  • For independent winding motors and Dahlander
  • Gas solenoid valve control
  • IP55

Application

Control and protection of a two-speed three-phase 400V asynchronous AC motor.

  • Description

  • Dimensions

  • Documentation

  • Public Price

  • Software

  • References

Ratings from 0.4 to 32A.
For two-speed three-phase 400V 50 / 60Hz motor:
  • DEMZ BI: motor with independent windings.
  • DEMZ DA: Dahlander winding motor.

Description
  • 3-position front switch: off, low and high speed.
  • Power contactor for each speed.
  • Protection against overload: integrated thermal relays of intervention class "10", with adjustment scale in amperes allowing direct adjustment without any additional calculation (adjustment current = nominal PV / HS current of the controlled motor).
  • Short-circuit protection: payable by the installer.
  • Output for gas solenoid valve control by dry closing contact, without interruption when changing gears.
  • Cable glands and fixing kit supplied.
  • Protection index IP55.
  • Operating environment: -20 to + 40 ° C.

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