GB/T 4728.7-2022
Graphical symbols for electrical diagrams—Part 7：Switchgear, controlgear and protective devices (English Version)

Standard No.

GB/T 4728.7-2022

Language

Chinese, Available in English version

Release Date

2022

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 4728.7-2022

Replace

GB/T 4728.7-2008

Scope

S00218 Name: Status: Contactor Function Con tacto rf unc t ion Standard IEC Release Date: 2001 07 01 Previous Standard Serial Number: Keywords: Used for: Application Notes: Shape Category: Function Category: Application Category: GB/T4728.7 07 01 01 Contactors, contacts S00284, S00285, S00286, S00377, S01413 A00061 Semicircle - functional element or attribute concept element or qualifier symbol S00219 Name: state: circuit breaker function Ci r cu i tbr e ake rf unc tion Standard IEC Date of issue: 07.01.2001 Previous standard serial number: Key words: Used for: Application note: Shape category: Functional category: Application category: GB/T4728.7 07 01 02 Circuit breaker S00287, S01413, S01860 A00061 Straight line - functional element or Attribute concept element or qualifier symbol 1 GB/T4728.7—2022/IEC60617da t aba se S00220 Name: Status: Isolator function Dis sc onne ctor (isolator) f unc t ion Standard IEC release date: 2001 07 01 Previous standard serial number :Keywords:Used for:Application notes:Shape category:Function category:Application category: GB/T4728.7 07 01 03 Disconnectors S00288, S00289, S00292, S00369, S01413, S01860 A00061 Straight lines - functional elements or attribute concept elements or Definitive symbol S00221 Name: Status: Isolation switch function Swi t ch disc onne cto rf unc tion Standard IEC release date: 2001 07 01 Previous standard serial number: Alias: GB/T4728.7 07 01 04 Isolation switch function Keywords: Isolation Switch, switch for: S00290, S00291, S00370 Application Note: Shape Category: Function Category: Application Category: A00061 Circle, Straight Line - Functional Element or Attribute Conceptual Element or Definitive Symbol S00222 Name: State: Automatic Release Function Au t oma ti ct rii ngf unc ti on pp standard IEC release date: 2001 07 01 last edition standard serial number: 2

GB/T 4728.7-2022 history

• 2022 GB/T 4728.7-2022 Graphical symbols for electrical diagrams—Part 7：Switchgear, controlgear and protective devices
• 2008 GB/T 4728.7-2008 Graphical symbols for diagrams.Part7:Switchgear,controlgear and protective devices
• 2000 GB/T 4728.7-2000 Graphical symbols for diagrams-Part 7:Switchgear,controlgear and protective devices

GB/T 4728.7-2022 -All Parts