标准摘要
[中文适用范围]： IEC 61857 的这一部分为设计寿命为 5000 小时或更短的应用建立了 EIS 评估。本试验方法遵循IEC 60505的程序，并根据设计寿命范围进行了修改。 [外文原描述]： IEC 61857-31:2017 establishes an EIS evaluation for applications with a designed life of 5 000 h or less. This test method follows the procedures of IEC 60505 and is modified based on the range of designed life.
英文名称Electrical insulation systems - Procedures for thermal evaluation - Part 31: Applications with a designed life of 5 000 h or less