标准摘要
[中文适用范围]： 本技术报告适用于根据 IEC 60439-1 制造的封闭式低压开关设备和控制设备组件（以下称为组件）。本技术报告的目的是为封闭式低压开关设备和控制设备组件在空气中由于内部故障而产生电弧的情况下的测试方法提供指导。该测试的目的是评估组件限制因内部电弧故障导致人身伤害和组件损坏风险的能力。这是一项自愿测试，由制造商自行决定或根据制造商和用户之间的协议进行。注：本报告的建议在美国、加拿大和英国均不可接受。 [外文原描述]： This technical report applies to enclosed low-voltage switchgear and controlgear assemblies hereafter called ASSEMBLIES manufactured according to IEC 60439-1. This second edition cancels and replaces the first edition (1996) and constitutes a technical revision. The main change introduced in this new edition is the following: the concept of ASSEMBLY protection under arcing conditions has been introduced.
英文名称Enclosed low-voltage switchgear and controlgear assemblies - Guide for testing under conditions of arcing due to internal fault