Industrial sockets are power sockets used in industrial places with large current loading capacity and dustproof and waterproof features. In this article, we will introduce the model specification of industrial socket in detail, including the international common model, rated current, plug type and applicable places and so on.
I. Internationally Common Models
At present, the international common industrial socket models are mainly the following: IEC 60309, NEMA, BS EN 60309, AS/NZS 3123 and so on. These models are used in different regions with different standards and characteristics. Below we introduce these models one by one.
1.IEC 60309
IEC 60309 is an industrial plug and socket standard developed by the International Electrotechnical Commission. It has different rated current levels such as 16A, 32A, 63A, 125A, 250A and so on, which are used in places with different current loads. Common plug types are 2P+E, 3P+E, 3P+N+E, etc., which indicate plugs with ground, without ground and with neutral respectively.
2.NEMA
NEMA is an industrial plug and socket standard developed by the National Electrical Manufacturers Association. It utilizes a polarized plug design that prevents plugs from being inserted backwards and incorrectly. Common models include NEMA L5, NEMA L6, NEMA L15, etc. L5 is a 20A plug, L6 is a 30A plug, and L15 is a 30A/250V plug.
3.BS EN 60309
BS EN 60309 is a standard for industrial plugs and sockets developed by the European Association of Electrotechnical Manufacturers, also known as the CEE standard. It is similar to IEC 60309 but differs in some specific parameters. The common plug types are 16A, 32A, 63A, 125A, etc., which are suitable for different loads.
4.AS/NZS 3123
AS/NZS 3123 is an industrial plug and socket standard developed by Australia and New Zealand. It utilizes a similar polarity design to the NEMA standard, which prevents incorrect insertion. Common models are 10A and 15A, which are suitable for equipment with different power.
II. Current rating and plug type
The current rating of an industrial socket is the maximum current load that the socket can withstand. According to different countries and regions, the rated current of industrial sockets varies, usually including 16A, 32A, 63A, 125A, 250A rating. The higher the current rating, the higher the load the socket can withstand.
The types of industrial plugs also vary according to different standards. Common plug types are 2P+E, 3P+E, 3P+N+E, etc. 2P means two polarity pins, E means with ground, 3P means three polarity pins, N means with neutral. Different plug types are suitable for different circuit connection needs.
III. Applicable places
Industrial sockets are suitable for various industrial places, including factories, workshops, docks, ships, mines and so on. Due to its dustproof, waterproof and other characteristics, industrial socket is often used in outdoor and harsh environments. According to the requirements of different places, industrial sockets can also be equipped with explosion-proof, corrosion-proof and high-temperature-resistant features.
IV. Precautions
When using industrial sockets, you need to pay attention to the following points:
- Appropriate rated current and plug type should be selected according to the actual load to ensure safety and reliability.
- Regularly check the insulation of the socket to prevent leakage and other safety problems.
- During use, plugs should be correctly inserted and unplugged to avoid plugs being inserted backwards or incorrectly to prevent circuit failure.
- Regularly maintain and clean the socket to remove accumulated dust and impurities to ensure proper functioning of the socket.
Summary:
This article describes the model specifications of industrial sockets in detail, including the international common models, rated current, plug type and applicable places. The selection of industrial sockets should be made according to the actual needs and safety requirements.




