
Large plastic enclosures are used to protect electronics and electrical components. They are made from high-quality materials and are designed for a variety of applications and environments. Some large plastic enclosures are designed for indoor or outdoor use and are weather-resistant, with NEMA 4 and NEMA 4X ratings. They are also gasketed for use in harsh locations and meet various requirements, making them useful in wet, dirty, and corrosive environments. Large plastic enclosures are available in different sizes and styles and can be customized to meet specific needs. They are a reliable and durable option for protecting electronics and electrical equipment in a range of settings.
| Characteristics | Values |
|---|---|
| Use | Indoor or outdoor |
| Material | Plastic, Acrylic, Metal, ASA Plastic, Polycarbonate, Aluminum, Steel, Stainless Steel |
| Protection Rating | NEMA 1, 2, NEMA 4, NEMA 4X, IEC 529-IP66, IPX7, NEMA-rated, IP-rated |
| Features | Weather-resistant, impact-resistant, UV-stable, gasketed, latching covers, transparent covers, lockable, custom printing, ventilation |
| Applications | Harsh environments, wet, dirty, corrosive, outdoor RF signal, IoT, desktop devices, handheld devices, remote sensors, junction boxes, industrial control boxes, telecommunication devices |
| Sizes | Various, including medium and large |
| Mounting Options | Plastic feet, stainless steel feet |
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What You'll Learn

NEMA-rated large plastic enclosures
The National Electrical Manufacturers Association (NEMA) maintains a standard rating system for enclosures, known as the NEMA rating system. These ratings allow designers and manufacturers to evaluate an enclosure's protective qualities and specify various degrees of protection against environmental conditions. For example, a NEMA 1 rating is suitable for everyday indoor use and basic protection, while NEMA 4X enclosures offer corrosion resistance and are suitable for both indoor and outdoor applications.
Polycase, a manufacturer of plastic electronics enclosures, offers a wide range of NEMA-rated large plastic enclosures. Their enclosures are made from high-quality materials such as plastic, aluminium, steel, and stainless steel. They provide reliable protection against liquids and precipitation, making them ideal for outdoor locations, washdown areas, catering, medical, and industrial settings where there may be exposure to volatile or corrosive substances.
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Protection for electronics
Large plastic enclosures are used to protect electronics and electrical components. They are made from high-quality, durable, non-metallic materials. These plastic enclosures are designed for superior protection in a range of environments, from indoor to harsh outdoor conditions.
Plastic enclosures are designed to protect electronic devices and components from a variety of environmental factors and physical impacts. Here are some key aspects of protection that these enclosures offer:
Weather Protection: Large plastic enclosures are often designed to be weather-resistant, making them suitable for outdoor use. They can withstand harsh weather conditions, including rain, snow, and extreme temperatures. Some enclosures have IPX7 ratings, indicating a high level of protection against water ingress.
Corrosion and Chemical Resistance: Plastic enclosures are also useful in corrosive environments. The plastic material is resistant to corrosion and can protect sensitive electronic components from chemicals and moisture that could cause damage or malfunction.
Impact Resistance: Many plastic enclosures are made from high-strength, impact-resistant materials. This feature ensures that the enclosed electronics are protected from physical impacts, shocks, and vibrations. The enclosures can absorb and distribute impact forces, minimising damage to the internal components.
Dust and Dirt Protection: In dusty or dirty environments, plastic enclosures provide an effective barrier. They prevent dust and dirt particles from entering and settling on electronic components, reducing the risk of malfunction or damage over time.
Electrical Insulation: Plastic enclosures also offer electrical insulation properties. They can protect users from accidental electric shocks and prevent short circuits or electrical faults by insulating the enclosed electronics.
Customisable Protection: Large plastic enclosures can be customised to meet specific protection requirements. This includes adding gaskets for harsh environments, choosing weatherproof and watertight construction, and selecting the appropriate NEMA and IP ratings to ensure the enclosed electronics are protected from specific environmental hazards.
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Customization options
Large plastic enclosures are used to protect electronics and electrical components. They are designed for both indoor and outdoor use and can be customised to meet specific needs.
Large plastic enclosures can be customised to meet specific needs and requirements. Here are some of the customisation options available:
Materials: Enclosures can be made from a variety of materials, including plastic, aluminium, steel, and stainless steel. The type of material chosen depends on the intended use and environment in which the enclosure will be placed. For example, plastic enclosures are suitable for outdoor RF signal and IoT applications, whereas metal enclosures may be more suitable for indoor use.
Size and Style: Large plastic enclosures come in various sizes and styles to accommodate different equipment sizes and shapes. Some companies offer hundreds of options to choose from, ensuring customers can find the perfect fit for their needs.
Protection Ratings: Enclosures can be designed to meet specific protection ratings, such as NEMA 4X/IP66, NEMA 4/IP66, or IPX7, which indicate the level of protection against water, dust, and corrosion. This feature ensures that equipment can be safely used in harsh or wet environments.
Colour and Transparency: Large plastic enclosures can also be customised in terms of colour and transparency. They are typically available in black or grey, but transparent covers are also an option. This allows for easy viewing of the equipment inside without having to open the enclosure.
Mounting Options: Different mounting options are available, such as plastic feet, stainless steel feet, or no feet, depending on the intended use and placement of the enclosure.
Security: For added security, locks can be installed to protect equipment from unauthorised access.
Overall, large plastic enclosures offer a high degree of customisation to meet specific needs. By choosing the right materials, sizes, protection ratings, colours, mounting options, and security features, customers can design enclosures that perfectly suit their equipment and environment.
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Suitable for outdoor use
Large plastic enclosures are suitable for outdoor use, depending on the type of plastic used and the specific use case. For example, the NBG Large Plastic Enclosures are designed for both indoor and outdoor use. They are weather-resistant and have NEMA 4 & NEMA 4X ratings, making them suitable for harsh environments. Other large plastic enclosures may be suitable for outdoor use if they are made with high-strength, impact-resistant materials and have the appropriate ratings, such as IP or NEMA ratings, indicating that they can withstand harsh conditions.
Some large plastic enclosures are designed for industrial use and can withstand wet, dirty, and corrosive environments. They may also be gasketed to meet specific requirements, such as NEMA and IEC standards, which indicate their level of protection against water, dust, and corrosion. These features make them suitable for outdoor use in various environments.
Additionally, some large plastic enclosures are designed for electrical and electronic applications. These enclosures protect sensitive components from the elements and are often used for desktop and handheld devices, remote sensors, junction boxes, and telecommunication devices. The durability and versatility of plastic enclosure boxes make them ideal for outdoor use, especially in industries such as telecommunications, where signal reception is important. Plastic enclosures, unlike metal ones, do not interfere with RF signals and IoT applications.
When choosing a large plastic enclosure for outdoor use, it is essential to consider the specific requirements of the application. Factors such as size, weight, and portability may come into play, depending on the intended use. Customization options are often available, allowing users to choose the number of doors or latches and select from various colours and mounting options.
Overall, large plastic enclosures can be suitable for outdoor use, depending on their specific features and ratings. It is important to consider the intended application and choose an enclosure that meets the necessary standards for protection and durability. By working with reputable manufacturers and considering customization options, users can find a suitable large plastic enclosure that meets their unique outdoor use requirements.
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Available in different materials
Large plastic enclosures are available in a variety of materials, each serving a unique purpose. The type of material used depends on the intended application and environment in which the enclosure will be used.
One of the most common materials for large plastic enclosures is polycarbonate. Polycarbonate enclosures are known for their durability and versatility. They are often used in outdoor or industrial settings due to their ability to withstand harsh environments. Polycarbonate enclosures are weatherproof and watertight, making them suitable for protecting electronic components in wet or corrosive conditions. They are also impact-resistant, providing extra protection for sensitive equipment.
Another material option for large plastic enclosures is ASA plastic, which stands for Acrylonitrile Styrene Acrylate plastic. ASA plastic is a high-strength and impact-resistant material that meets RoHS compliance standards. Enclosures made from ASA plastic are ideal for outdoor or industrial use as they offer a high level of protection. When combined with an O-ring, ASA plastic enclosures can achieve an IPX7 rating, making them suitable for applications that require protection from water ingress.
Additionally, some large plastic enclosures are made from acrylic, especially those designed for unique purposes. For example, plastic enclosures designed as habitats for pets, such as amphibious reptiles, may use acrylic in their construction. Acrylic provides a clear view of the interior, allowing for easy observation of the enclosed contents or, in the case of pet enclosures, convenient monitoring of the pet's well-being.
Large plastic enclosures can also be made from a combination of materials, such as plastic and metal. This combination offers the benefits of both materials, providing both protection and ventilation. For instance, a plastic enclosure with a metal screen top allows for airflow while still offering a protected interior.
The versatility of large plastic enclosures extends beyond the materials they are made from, as they can also be customized in terms of size, style, and additional features. Some enclosures offer transparent covers, providing visibility while still protecting the enclosed contents from external elements.
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Frequently asked questions
The large plastic enclosure is a heavy-duty plastic box used for industrial or outdoor use.
The standard material for the large plastic enclosure is high-strength, impact-resistant, RoHS-compliant ASA plastic.
The large plastic enclosure is used to protect electronics and electrical components. It is also designed for use in harsh, wet, dirty and/or corrosive environments.
Plastic enclosures, unlike metal enclosures, are suitable for outdoor RF signal and IoT applications. They are also weather-resistant and gasketed for use in harsh locations.
Large plastic enclosures are available for purchase from various manufacturers, including Polycase, New Age Enclosures, and HerpCult.











































