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About This Item

 

Full Description

Sets out conditions to be met by thermal detectors for building into or onto the windings of electric motors, and by motor control units intended to be used therewith, for protection of the insulation from excessive thermal degradation whilst permitting maximum utilization of the motor's capability. Covers two protection type classifications, viz. the motor protected against overheating when running on load only and against overheating both when running and when stalled.
 

Document History

  1. AS/NZS IEC 60947.8:2015


    Low-voltage switchgear and controlgear, Part 8: Control units for built-in thermal protection (PTC) for rotating electrical machines

    • Most Recent
  2. AS 60947.8-2005


    Low-voltage switchgear and controlgear - Control units for built-in thermal protection (PTC) for rotating electrical machines

    • Historical Version
  3. AS 1023.1-1985

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    Low voltage switchgear and controlgear - Protection of electric motors, Part 1: Built-in thermal detectors and associated control units

    • Historical Version
  4. AS 1023.3-1973


    Low voltage switchgear and controlgear - Thermal protection of electric motors - Inherent overheat protectors

    • Historical Version
  5. AS 1023.1-1971


    Thermal protection of electric motors - Built-in thermal detectors and associated control units

    • Historical Version
  6. AS C165-1961


    Approval and test specification for thermal overload protective devices for electric motors

    • Historical Version