Part 13: Corrosive atmospheres due to sulfur impact
(IEC 63522-13:2024); German version EN IEC 63522-13:2025 Class/Status:
Standard,
valid
Released: 2025-09
VDE Art. No.: 0400698
Note: You can pre-order this document (delivery subject to availability). Valid from 2025-09-01.
This part of IEC 63522 is used for testing along with the appropriate severities and conditions for measurements and tests designed to assess the ability of specimens to perform under expected conditions of transportation, storage and all aspects of operational use. To assess the suitability of the relay for use and/or storage corrosive atmospheres, in particular atmospheres polluted with sulphur dioxide or hydrogen sulphide. The test conditions simulate an artificial situation and allow a performance comparison for usability of relays with regard to known and existing switching solutions.
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