IEC 61950:2019 电缆管理系统.超重型电气钢导管配件和附件规范

标准编号：IEC 61950:2019

中文名称：电缆管理系统.超重型电气钢导管配件和附件规范

英文名称：Cable management systems - Specifications for extra-heavy-duty electrical steel conduit fittings and accessories

发布日期：2019-09-16

标准范围

IEC 61950:2019（E）规定了导管配件的要求，包括与符合IEC 60981的超重型电气刚性钢（EHDERS）导管一起使用的导管体。本文件不包括用于安装在潜在爆炸性环境中的配件的要求。这第三版取消并取代了2007年出版的第二版。本版构成技术修订版。与上一版相比，此版本包括以下重大技术变更:-更改标题和范围，仅涵盖与超重型电气刚性钢（EHDERS）导管一起使用的配件和附件；-新的和更新的术语定义；-增加了膨胀、膨胀-偏转和偏转配件的要求；-删除对铸造金属箱的要求。该出版物的双语版本可能会在晚些时候发行。

IEC 61950:2019(E) specifies requirements for conduit fittings, including conduit bodies used with extra-heavy-duty electrical rigid steel (EHDERS) conduit conforming to IEC 60981.
This document does not include requirements for fittings intended for installation in potentially explosive atmospheres.
This third edition cancels and replaces the second edition published in 2007. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
– change in title and scope to cover only fittings and accessories for use with extra-heavy-duty electrical rigid steel (EHDERS) conduits;
– new and updated definitions of terms;
– addition of requirements for expansion, expansion-deflection and deflection fittings;
– deletion of requirements for cast metal boxes.
A bilingual version of this publication may be issued at a later date.

标准预览图