标准摘要
[中文适用范围]： IEC 63522-21:2025 本部分用于测试，配合适当的严酷度和条件，用于评估被测设备（DUT）在运输、存储及所有操作使用条件下的性能能力。本文件定义了一种标准测试方法，用于评估设备在长时间高温环境下的耐受能力。 [外文原描述]： 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.
英文名称Electrical relays - Tests and measurements - Part 21: Thermal endurance