GB/T 11918.4-2014 Plugs,socket-outlets and couplers for industrial purposes—Part 4:Switched socket-outlets and connectors with or without interlock
GB/T 11918.4-2014 Plugs,socket-outlets and couplers for industrial purposes—Part 4:Switched socket-outlets and connectors with or without interlock
Basic Information
Scope
The following modifications have been made to Chapter 1 of GB/T 11918.1—2014, which now applies as follows:
The first and second paragraphs are replaced by the following content:
This part of GB/T 11918 specifies the technical requirements for electrical protection, interlocking, switching, and components, as well as the structure and mechanical strength of industrial sockets and connectors with or without interlocking switches.
This part applies to independent products primarily intended for industrial use, suitable for indoor or outdoor applications, with a rated working voltage not exceeding 1,000 V DC or AC and 500 Hz, and a rated current not exceeding 800 A. These products consist of a socket or connector compliant with GB/T 11918.1 combined with a switching device within the same housing.
Added after the second paragraph:
These accessories are intended for installation and use only by trained [electrical] personnel (GB/T 2900.73—2008, Definition 1950402) or skilled [electrical] technicians (GB/T 2900.73—2008, Definition 1950401).
The product may include an interlocking and/or protective device.