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IEC 61869-20 Ed. 1.0 b:2025
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  • IEC 61869-20 Ed. 1.0 b:2025

IEC 61869-20 Ed. 1.0 b:2025

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Instrument transformers – Part 20: Safety requirements of instrument transformers for high voltage applications

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Full Description

This part of IEC 61869 specifies the requirements for the safe design, operation and tests for the safety of instrument transformers whose highest voltage for equipment is higher than 1 kV AC or 1,5 kV DC.
Low-power instrument transformers are not covered by this document.

NOTE The possibility of including additional safety requirements, specific to low-power instrument transformers, is currently under consideration.

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