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ISO 669:2000
M00000651
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ISO 669:2000 Resistance welding -- Resistance welding equipment -- Mechanical and electrical requirements
standard by International Organization for Standardization, 04/15/2000
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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.