GB/T 11918.4-2025 Active National standards

GB/T 11918.4-2025 Plugs, fixed or portable socket-outlets and appliance inlets for industrial purposes—Part 4:Switched socket-outlets with or without interlock

GB/T 11918.4-2025 Plugs, fixed or portable socket-outlets and appliance inlets for industrial purposes—Part 4:Switched socket-outlets with or without interlock

Publish Date: 2025-10-05 Implement Date: 2026-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us
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Basic Information

Standard Code: GB/T 11918.4-2025
Standard Type: National standards
Standard Status: Active
is_force_gb: no
CCS Name: Low-voltage electrical equipment
ICS Name: Plugs, sockets, and connectors
Publish Date: 2025-10-05
Implement Date: 2026-05-01
Pages: 24 pages

Scope

This document specifies the technical requirements for electric shock protection, interlocking, switches, and their components, structure, mechanical strength, and electrical performance of industrial sockets with or without interlocking belts.
This document applies to standalone products primarily intended for industrial use, for indoor or outdoor use, which combine the following components in a single housing:
—— A fixed or mobile socket that complies with GB/T 11918.1 or GB/T 11918.2 and has a rated working voltage of no more than 1,000 V DC or 1,000 V AC, a frequency of no more than 500 Hz, and a rated current of no more than 800 A;
—— A switching device.
The product may include an interlocking and/or protective device.
These electrical accessories are intended to be installed and used only by trained personnel or skilled technicians.

Development Information

Word Count: 36 Thousand words Pages: 24 pages

Same series standard

Replace the following standards

Referenced Standards

GB/T 16935.3-2005 Insulation coordination for equipment within low-voltage systems—Part 3:Use of coating,potting or moulding for protection against pollution GB/T 16935.3-2016 Insulation coordination for equipment within low-voltage systems— Part 3:Use of coating,potting or moulding for protection against pollution GB/T 16935.3-2025 Insulation coordination for equipment within low-voltage systems—Part 3:Use of coating,potting or moulding for protection against pollution GB 17465.1-1998 Appliance couplers for household and similar general purposes Part 1:General requirements GB/T 17465.1-2009 Appliances couplers for household and similar general purposes—Part 1:General requirements GB/T 17465.1-2022 Appliance couplers for household and similar general purposes—Part 1:General requirements GB 17465.2-1998 Appliance couplers for household and similar general purposes Part 2:Interconnection couplers for household and similar equipment GB/T 17465.2-2009 Appliance couplers for household and similar general purposes—Part 2:Interconnection couplers for household and similar equipment GB/T 17465.3-2008 Appliance couplers for household and similar general purposes—Part 2:Appliance couplers with a degree of protection higher than IPX0 GB 17465.4-2009 Appliance couplers for household and similar general purposes—Part 2:Couplers dependent on appliance weight for engagement GB/T 17465.4-2015 Appliance couplers for household and similar general purposes—Part 2-4:Couplers dependent on appliance weight for engagement GB/T 17465.5-2017 Appliance couplers for household and similar general purposes—Part 2-1:Sewing machine couplers GB/T 17465.6-2022 Appliance couplers for household and similar general purposes—Part 3:Standard sheets and gauges GB/T 17799.2-2003 Electromagnetic compatibility—Generic standards—Immunity for industrial environments GB/T 17799.2-2023 Electromagnetic compatibility—Generic standards—Part 2: Immunity standard for industrial environments GB 17799.3-2001 Electromagnetic compatibility—Generic standards-Emission standard for residential, commercial and light-industrial environments GB 17799.3-2012 Electromagnetic compatibility(EMC)—Generic standards—Emission standard for residential, commercial and light-industrial environments GB 17799.3-2023 Electromagnetic compatibility(EMC)—Generic standards—Part 3:Emission standard for equipment in residential environments GB/T 20002.4-2015 Drafting for special aspects in standards—Part 4:Safety aspects for their inclusion in standards IEC TR 60083 GB/T 4025-2003 Basic and safety principles for man-machine interface, marking and identification Coding principles for indication devices and actuators GB/T 4025-2010 Basic and safety principles for man-machine interface,marking and identification—Coding principles for indicators and actuators GB/T 4728.1-2005 Graphical symbols for electrical diagrams—Part 1:General information GB/T 4728.1-2018 Graphical symbols for electrical diagrams—Part 1:General information GB/T 4728.2-1998 Graphical symbols for diagrams—Part 2 Symbol elements,qualifying symbols and other symbols having general application GB/T 4728.2-2005 Graphical symbols for electrical diagrams—Part 2:Symbol elements,qualifying symbols and other symbols having general application GB/T 4728.2-2018 Graphical symbols for electrical diagrams—Part 2:Symbol elements,qualifying symbols and other symbols having general application GB/T 4728.3-1998 Graphical symbols for diagrams—Part 3 Conductors and connecting devices GB/T 4728.3-2005 Graphical symbols for electrical diagrams—Part 3:Conductors and connecting devices GB/T 4728.3-2018 Graphical symbols for electrical diagrams—Part 3:Conductors and connecting devices GB/T 4728.4-1999 Graphical symbols for diagrams—Part 4:Basic passive components GB/T 4728.4-2005 Graphical symbols for electrical diagrams—Part 4:Basic passive components GB/T 4728.4-2018 Graphical symbols for electrical diagrams—Part 4:Basic passive components GB/T 4728.5-2000 Graphical symbols for diagrams—Part 5:Semiconductors and electron tubes GB/T 4728.5-2005 Graphical symbols for electrical diagrams—Part 5:Semiconductors and electron tubes GB/T 4728.5-2018 Graphical symbols for electrical diagrams—Part 5:Semiconductors and electron tubes GB/T 4728.6-2000 Graphical symbols for diagrams—Part 6:Production and conversion of electrical energy GB/T 4728.6-2008 Graphical symbols for diagrams—Part 6:Production and conversion of electrical energy GB/T 4728.6-2022 Graphical symbols for electrical diagrams—Part 6:Production and conversion of electrical energy GB/T 4728.7-2000 Graphical symbols for diagrams—Part 7:Switchgear,controlgear and protective devices GB/T 4728.7-2008 Graphical symbols for diagrams—Part 7:Switchgear,controlgear and protective devices GB/T 4728.7-2022 Graphical symbols for electrical diagrams—Part 7:Switchgear,controlgear and protective devices GB/T 4728.8-2000 Graphical symbols for diagrams—Part 8:Measuring instruments,lamps and signalling devices GB/T 4728.8-2008 Graphical symbols for diagrams—Part 8:Measuring instruments,lamps and signaling devices GB/T 4728.8-2022 Graphical symbols for electrical diagrams—Part 8:Measuring instruments,lamps and signalling devices GB/T 4728.9-1999 Graphical symbols for diagrams—Part 9:Telecommunications:Switching and peripheral equipment GB/T 4728.9-2008 Graphical symbols for diagrams—Part 9:Telecommunications:Switching and peripheral equipment GB/T 4728.9-2022 Graphical symbols for electrical diagrams—Part 9:Telecommunications:Switching and peripheral equipment GB/T 4728.10-1999 Graphical symbols for diagrams—Part 10:Telecommunications:Transmission GB/T 4728.10-2008 Graphical symbols for diagrams—Part 10:Telecommunications:Transmission GB/T 4728.10-2022 Graphical symbols for electrical diagrams—Part 10:Telecommunications:Transmission GB/T 4728.11-2000 Graphical symbols for diagrams—Part 11:Architectural and topographical installation plans and diagrams GB/T 4728.11-2008 Graphical symbols for diagrams—Part 11:Architectural and topographical installation plans and diagrams GB/T 4728.11-2022 Graphical symbols for electrical diagrams—Part 11:Architectural and topographical GB/T 4728.12-1996 Graphical symbols for electrical diagrams—Part 12:Binary logic elements GB/T 4728.12-2008 Graphical symbols for diagrams—Part 12:Binary logic elements GB/T 4728.12-2022 Graphical symbols for electrical diagrams—Part 12:Binary logic elements GB/T 4728.13-1996 Graphical symbols for electrical diagrams Part 13:Analogue elements GB/T 4728.13-2008 Graphical symbols for diagrams—Part 13:Analogue elements GB/T 4728.13-2022 Graphical symbols for electrical diagrams—Part 13:Analogue elements GB/T 11918.1-2025 Plugs,fixed or portable socket-outlets and appliance inlets for industrial purposes—Part 1:General requirements GB/T 11918.2-2025 Plugs, fixed or portable socket-outlets and appliance inlets for industrial purposes—Part 2:Dimensional compatibility requirements for pin and contact-tube accessories GB/T 14048.1-2023 Low-voltage switchgear and controlgear—Part 1:General rules GB 14048.3-2002 Low-voltage switchgear and controlgear—Part 3:Switches,disconnectors,switch-disconnectors and fuse-combination units GB/T 14048.3-2008 Low-voltage switchgear and controlgear—Part 3:Switches,disconnectors,switch-disconnectors and fuse-combination units GB/T 14048.3-2017 Low-voltage switchgear and controlgear—Part 3:Switches,disconnectors,switch-disconnectors and fuse-combination units GB/T 14048.3-2025 Low-voltage switchgear and controlgear—Part 3:Switches,disconnectors,switch-disconnectors and fuse-combination units GB 14048.4-2003 Low-voltage switchgear and controlgear—Electromechanical contactors and motor-starters GB/T 14048.4-2010 Low-voltage switchgear and controlgear—Part 4-1:Contactors and motor-starters—Electromechanical contactors and motor-starters(Including motor protector) GB/T 14048.4-2020 Low-voltage switchgear and controlgear—Part 4-1:Contactors and motor-starters—Electromechanical contactors and motor-starters(Including motor protector) GB 14048.5-2001 Low-voltage switchgear and controlgear—Part 5-1:Control circuit devices and switching element—Electromechanical control circuit devices GB/T 14048.5-2008 Low-voltage switchgear and controlgear—Part 5-1:Control circuit devives and switching element—Electromechanical control circuit devices GB/T 14048.5-2017 Low-voltage switchgear and controlgear—Part 5-1:Control circuit devices and switching element—Electromechanical control circuit devices GB 15092.1-2003 Switches for appliances Part 1:General requirements GB/T 15092.1-2010 Switches for appliances—Part 1:General requirements GB/T 15092.1-2020 Switches for appliances—Part 1:General requirements

Adopt standards

IEC 60309-4:2021

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