GB/T 11918.1-2025 Plugs,fixed or portable socket-outlets and appliance inlets for industrial purposes—Part 1:General requirements

Scope

This document specifies the technical requirements for industrial plugs, fixed or mobile sockets, and appliance input sockets (hereinafter referred to as "electrical accessories").
This document applies to electrical accessories primarily intended for industrial use, for indoor and outdoor applications, with a rated working voltage not exceeding 1000 VDC or 1000 VAC, a frequency not exceeding 500 Hz, and a rated current not exceeding 800 A.
These electrical accessories are intended to be installed only by trained personnel or skilled technicians.
The listed preferred ratings do not exclude other ratings.
This document applies to electrical accessories used in environments with a typical temperature range of -25°C to +40°C.
These electrical accessories are intended to be connected only to copper or copper alloy cables.
This document applies to electrical accessories with a rated current not exceeding 32 A in Series I and 30 A in Series II, equipped with non-threaded terminals or insulated piercing terminals.
These electrical accessories may also be used on construction sites or for agricultural, commercial, or domestic purposes.
Fixed sockets or appliance input sockets installed in electrical equipment or fixed to electrical equipment are within the scope of this document. This document also applies to electrical accessories intended for use in extra-low voltage devices.
This document does not apply to electrical accessories primarily intended for household use or similar general purposes.
This document does not include single-pole electrical accessories.
In special locations, such as on ships or in areas prone to explosions, additional requirements may be necessary.

Development Information

Same series standard

Replace the following standards

Adopt standards

Related Standards