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About This Item

 

Full Description

This International Standard applies to resistance welding equipment, to guns with inbuilt transformers and to complete movable welding equipment.

The following types are included:

  • single-phase equipment with alternating welding current;
  • single-phase equipment with rectified welding current by rectification of the output of the welding transformer;
  • single-phase equipment with inverter welding transformer;
  • three-phase equipment with rectified welding current by rectification of the output of the welding transformer;
  • three-phase equipment with a current rectification in the input of the welding transformer (sometimes called frequency convertor);
  • three-phase equipment with inverter welding transformers.

This International Standard applies neither to welding transformers sold separately nor to safety requirements.

 

Document History

  1. ISO 669:2016


    Resistance welding - Resistance welding equipment - Mechanical and electrical requirements

    • Most Recent
  2. ISO 669:2000

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    Resistance welding -- Resistance welding equipment -- Mechanical and electrical requirements

    • Historical Version