IEC 60934:2019 ED4

Circuit breakers for equipment (CBE) IEC 60934:2019 ED4

Publication date:   Jan 30, 2019

General information

60.60 Standard published   Jan 30, 2019


TC 23/SC 23E

International Standard

29.120.40   Switches | 29.120.50   Fuses and other overcurrent protection devices



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IEC 60934:2019 is available as IEC 60934:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the 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.

Life cycle


IEC 60934:2019 ED4
60.60 Standard published
Jan 30, 2019