IEC 63522-21:2025
Electrical relays - Tests and measurements - Part 21: Thermal endurance
Circulation Date:
2025-08
Edition:
1.0
Language: EN-FR - bilingual english/french
Seitenzahl: 20 VDE Artno.: 255346
IEC 63522-21:2025 This part is used for testing along with the appropriate severities and conditions for measurements and tests designed to assess the ability of DUTs to perform under expected conditions of transportation, storage and all aspects of operational use.
This document defines a standard test method for evaluation of resistance against high temperature for long periods.