IEC 60934:2019 RLV包含IEC官方国际标准及其红线版本。Redline版本不是官方文档，它只有英文版本，为您提供了一种快速简单的方法来比较IEC官方标准与其以前版本之间的所有变化。 ？ IEC 60934:2019适用于设计为“电路？设备断路器”（CBE）用于家用和类似应用。根据本文件的CBE旨在为电气设备内的电路提供保护，包括其组件（例如电机、变压器、内部布线）。本文件还涵盖了适用于在欠压和/或过压情况下保护电气设备的CBE。本文件还涵盖了适用于隔离的CBE。本第四版取消并取代了2000年出版的第三版、修正案1:20 07和修正案2:20 13。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: a)用于型式试验目的的澄清。

IEC 60934:2019 RLV contains both the official IEC International Standard and its Redline version. The Redline version is not an official document, it is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
？ IEC 60934:2019 is applicable to mechanical switching devices designed as "circuit？breakers for equipment" (CBE) for household and similar applications. CBEs according to this document are intended to provide protection to circuits within electrical equipment including its components (e.g. motors, transformers, internal wiring). This document covers also CBEs applicable for protection of electrical equipment in case of undervoltage and/or overvoltage. This document also covers CBEs which are suitable for isolation. This fourth edition cancels and replaces the third edition published in 2000, Amendment 1:2007 and Amendment 2:2013. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) clarifications for type testing purposes.