标准摘要
[中文适用范围]： 适用于设计为“设备断路器”（CBE）的机械开关装置，旨在为交流不超过 440 V 和/或直流不超过 250 V、额定电流不超过 125 A 的电气设备内的电路提供保护。 [外文原描述]： Applicable to mechanical switching devices designed as 'circuit-breakers for equipment' (CBE) intended to provide protection to circuits within electrical equipment for a.c. not exceeding 440 V and/or d.c. not exceeding 250 V, and a rated current not exceeding 125 A.
英文名称Circuits-breakers for equipment (CBE)