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DIN EN IEC 61869-20 VDE 0414-9-20:2025-12

Instrument transformers

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

(IEC 61869-20:2025); German version EN IEC 61869-20:2025
Class/Status: Standard, valid
Released: 2025-12
VDE Art. No.: 0400740

Note: You can pre-order this document (delivery subject to availability). Valid from 2025-12-01.

Specifies the requirements for the safe design and 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.