YB/T 4122.1-2021 English PDF

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YB/T 4122.1-2021: (Microcomputer Relay Protection for Metallurgical Enterprises - Part 1: Operational Technology Management Procedure)
Status: Valid

YB/T 4122.1: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
YB/T 4122.1-2021	239	Add to Cart	3 days	(Microcomputer Relay Protection for Metallurgical Enterprises - Part 1: Operational Technology Management Procedure)	Valid
YB/T 4122-2004	559	Add to Cart	3 days	Management code of the operation and technology for the microprocessor-based relaying protection	Obsolete

Similar standards

GB/T 7729   GB/T 31935   GB/T 20066   YB/T 4891.5   YB/T 6230   YB/T 4122.2   

Basic data

Standard ID: YB/T 4122.1-2021 (YB/T4122.1-2021)
Description (Translated English): (Microcomputer Relay Protection for Metallurgical Enterprises - Part 1: Operational Technology Management Procedure)
Sector / Industry: Ferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard: H04
Classification of International Standard: 77.180
Word Count Estimation: 11,113
Date of Issue: 2021-03-05
Date of Implementation: 2021-07-01
Issuing agency(ies): Ministry of Industry and Information Technology

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