标准摘要
[中文适用范围]: 描述了两种可选类型的地震试验:单轴正弦扫描地震试验(方法 A)和双轴多频随机地震试验(方法 B)。这些要求适用于机电式和静态测量继电器和保护装置。 [外文原描述]: Specifies the vibration, shock, bump and seismic tests applicable to electromechanical and static measuring relays and protection equipment, with or without output contacts.
英文名称Electrical relays - Part 21: Vibration, shock, bump and seismic tests on measuring relays and protection equipment - Section 3: Seismic tests