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When your company is looking for electrical enclosures South Africa, you will have to be specific on exactly it is you need, as there are many different options that have different functions.

Firstly it will be important to know what you will be using for. As with any business decision it has to be well though of as there are many important factors that will contribute to your choice of electrical enclosure. Some of the factors are features like size, type of material, finish as well as Nema rating. Below we will discuss the finder details of these factors.
The size of the enclosure you need will firstly depend on what you will be using it for. As they range in size from a few centimitres to large walk-in sizes, your decision will depend on your specific need. Generally the needed size can be calculated by taking the dimentions of the internal components that will be covered by the electrical enclosure.

You will then look at all the different types of material that different enclosures are made out of. It will also depend on the surrounding environment and weather conditions. The most widely used materials are carbon steel, stainless steel, aluminium or galvanized steel. When it is an indoor enclosure, carbon steel can be used and finished with a protective coating where, on the other hand, when needed outdoors, a more protective material like steel or aluminium would be needed. It should also then be treated with a powder coating to prevent corrosion and rust.

Then you would have to choose the correct finish for your enclosure. There are basically two types of finishes that consist of painting or powder coating. Before choosing the finish, you would have to look at the different features of each finish. Painting is a good idea when the enclosure is smaller. It is also referred to as liquid coating or liquid painting. Powder coating is when a more industrial is used and applied in another way.

It is often used on more corrosive enclosures and more often outside. Both of these processes need a pre-treatment of the sheet metal that will ensure proper adhesion of the finish. Proper adhesion is extremely important as without it, the corrosion process would still take place as the enclosure would then not be properly protected. This could lead to cracking, fading or delaminating and would then have to be replaced which could become costly.

You would lastly have to determine the Nema requirements. If the proper determination is not make, the components could become damaged or you would have to overcompensate on protection. Here is a guide on the Nema requirements:
General Indoor Needs: Type 1
Outdoor, Dust, Rain and Sleet: Type 3
Outdoor Rain, Sleet: Type 3R
Indoor & Outdoor, Water, Dust, Sleet: Type 4
Indoor & Outdoor, Water, Dust, Corrosion Type 4X
Indoor & Outdoor, Water, Dust, Corrosion, Explosion, Type 7
Indoor, Dust and Drip: Type 12

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