JB/T 5877-2002 in English

本标准规定了低压固定封闭式成套开关设备(以下简称“设备”)的技术要求、试验方法、检验规则、标志、使用说明书、包装、运输、贮存等。
本标准适用于交流50Hz或60Hz额定工作电压至660V作为电能分配及电动机控制、户内正常使用、具有封闭式结构并带有固定式部件<含插人式和抽出式断路器部件)的设备。

Scope

This standard specifies the technical requirements, test methods, inspection rules, markings, instructions for use, packaging, transportation, storage, etc. of low-voltage fixed closed switchgear. This standard is applicable to equipment with AC 50Hz or 60Hz rated operating voltage up to 660V for power distribution and motor control, normal indoor use, with a closed structure and fixed components (including plug-in and withdrawable circuit breaker components).