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Rotating electrical machines -- Thermal protection
IEC 60034-11:2020 RLV is available, which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 60034-11:2020 specifies requirements relating to the use of thermal protectors and thermal detectors incorporated into the stator windings or placed in other suitable positions in induction machines in order to protect them against serious damage due to thermal overloads.
It applies to single-speed three-phase 50 Hz or 60 Hz cage induction motors in accordance with IEC 60034-1 and IEC 60034-12 that:
The main changes with respect to the previous edition are:
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