标准摘要
[中文适用范围]： 包括两种类型的振动测试：振动响应测试和振动耐久性测试，通常基于 IEC 68-2-6。规定的试验为型式试验。状态：所用术语的定义（英语和法语）；测试条件； s [外文原描述]： This part includes two types of vibration tests: the vibration response test and the vibration endurance test, and is generally based upon IEC 68-2-6. The requirements are applicable only to measuring relays and protection equipment in a new condition. The tests specified are type tests.
英文名称Electrical relays - Part 21: Vibration, shock, bump and seismic tests on measuring relays and protection equipment - Section One: Vibration tests (sinusoidal)