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What Are The 5 Common Types Of Electronic Equipment Enclosures?

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To protect electrical equipment from the intrusion of dirt and dust certain enclosures must be provided. These equipment enclosures are carefully designed to safeguard a range of electronics that make the world running.
The National Electrical Manufacturers Association (NEMA) has a standard classification system for electrical enclosures, giving birth to the various types of enclosure systems. The association has given ratings to different types of enclosures in light of their capabilities and attributes. This allows engineers to use to clearly understand the capability of a given type of electrical enclosure and the suitable environment in which they can be used.
Without any further ado, let’s take a look at the 5 common types of electronic equipment enclosures.

1.      NEMA Type 1 Rated Enclosures

The NEMA type 1 enclosures are for indoor use and often store variable frequency drive (VFD) and other types of types of electrical equipment in different industries such as IT and Telecommunications. They offer a limited protection amount of protection to equipment against dust, dirt, and accidents.

2.      NEMA TYPE 3 Rated Enclosures

These enclosures are designed for both indoors and outdoors. They can protect electronic equipment against the effects of snow, ice, sleet and dirt but aren’t suitable for equipments stored outside in extreme weather conditions. Some engineers use them outdoors in the form of junction boxes where cables and wirings can be secured. However, they are mostly used by engineers for indoor purposes.
Whenever they are used outdoors, engineers must carefully determine the most suitable place where they can be installed. The enclosure content should also be analyzed to make sure whether the material can resist the UV rays and is durable enough to use for outdoor purposes.

3.      NEMA TYPE 4 Rated Enclosures

The NEMA type 4 enclosures are ideal to provide greater protection to your electronic equipment in harsh weather conditions, since they offer better resistance to corrosion. They have a watertight characteristic and are also used to secure outdoor cable systems and installed telecommunications devices. They are widely used in several industries, since they are easily available as prefabricated equipment enclosures provided by enclosure manufacturing companies.

4.      NEMA TYPE 4X Rated Enclosures

These enclosures have similar characteristics as the type 4 enclosures but offers added protection against corrosion. The enclosures can also be used in combination with the knockouts for installing wires, wiring, and conduits onsite for greater flexibility.

5.      NEMA Type 6 Rated Enclosures

The NEMA 6 enclosures are ideal for use in areas where submersion is likely. These enclosures are commonly used in marine transport, power stations, renewable energy applications, and hybrid vehicles. The enclosures are efficient in humid conditions and can withstand the formation of ice, falling dirt and other hazards.

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