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IEC

MT 9 - TC 23/SC 23E/MT 9

TC 23/SC 23E/MT 9

General Information

Status
Active
Work Field
Information technology
Parent
SC 23E - Circuit-breakers and similar equipment for household use

Frequently Asked Questions

MT 9 is a Technical Committee within the International Electrotechnical Commission (IEC). It is named "TC 23/SC 23E/MT 9". This committee has published 69 standards.

MT 9 develops IEC standards in the area of Information technology. Currently, there are 69 published standards from this technical committee.

The International Electrotechnical Commission (IEC) is the world's leading organization for the preparation and publication of international standards for electrical, electronic, and related technologies. Founded in 1906, the IEC provides a global platform for companies, industries, and governments to meet, discuss, and develop the international standards they require.

A Technical Committee (TC) in IEC is a group of experts responsible for developing international standards in a specific technical area. TCs are composed of national member body delegates and work through consensus to create standards that meet global industry needs. Each TC may have subcommittees (SCs) and working groups (WGs) for specialized topics.

Standardization Organization
ICS
Directive
Mandate
50
IEC
IEC 60934:2019(Main)
Circuit breakers for equipment (CBE)

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.

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