These relays have their operating time dependent or independent of the input energizing quantity. Thermal electrical relays are excluded.
- BS EN 60255-3-1998 继电器.与时间有关或无关的单输入励磁质量测量继电器（ 现行 ）
- 发布日期：2018-07-20 实施日期：1998-11-15 发布部门：
- 简介：These relays have their operating time dependent or independent of the input energizing quantity. Thermal electrical relays are excluded.