IEC 60742:1983
Collections
International IEC standards
Publication date
January 1983
Number of pages
202 p.
Reference
IEC 60742:1983
Print number
1
IEC 60742:1983
January 1983
International standard
Cancelled
Isolating transformers and safety isolating transformers. Requirements
Applies to stationary or portable, single-phase or polyphase, air-cooled isolating and safety isolating transformers, associated or otherwise, having a rated supply voltage not exceeding 1000 V alternating current and 1000 V unsmoothed direct current and rated frequency not exceeding 500 Hz.Has the status of a group safety publication in accordance with IEC Guide 104.
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Sumary
Isolating transformers and safety isolating transformers. Requirements
Applies to stationary or portable, single-phase or polyphase, air-cooled isolating and safety isolating transformers, associated or otherwise, having a rated supply voltage not exceeding 1000 V alternating current and 1000 V unsmoothed direct current and rated frequency not exceeding 500 Hz. Has the status of a group safety publication in accordance with IEC Guide 104.
Applies to stationary or portable, single-phase or polyphase, air-cooled isolating and safety isolating transformers, associated or otherwise, having a rated supply voltage not exceeding 1000 V alternating current and 1000 V unsmoothed direct current and rated frequency not exceeding 500 Hz. Has the status of a group safety publication in accordance with IEC Guide 104.
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Standard replaced by
(1)
IEC 61558-1:1997
March 1997
International standard
Cancelled
Safety of power transformers, power supply units and similar - Part 1: General requirements and tests
Deals with all aspects of safety (such as electrical, thermal and mechanical) of: a) Stationary or portable, single-phase or polyphase, air-cooled (natural or forced) isolating and safety isolating transformers; b) Stationary or portable, single-phase or polyphase, air-cooled (natural or forced) separating transformers, auto-transformers, variable transformers and small reactors. Has the status of a group safety publication in accordance with IEC Guide 104. This part 1 replaces Chapter I of IEC 60742 and IEC 60989.
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