Plastic Electronic Enclosure Solutions
Electronic enclosures keep your components protected in any environment. Polycase offers an array of electronics boxes and multi-purpose metal and plastic electronic enclosures. Superior materials include high-quality plastic, aluminum, and steel varieties, with indoor and outdoor electronics enclosure options available. From robust NEMA rated enclosures to basic potting boxes, find your perfect fit at Polycase.
Enclosures for Every Application
From basic to robust: Polycase has an electronic enclosure solution to fit your needs
Featured Enclosure Categories
Browse our most popular electrical and electronic enclosure solutions.
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![waterproof NEMA enclosures for electronics]()
![NEMA 6P rated outdoor enclosure for electronics]()
Shop NowKeep your internal electronics safe and dry with our waterproof enclosures.
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![General use enclosures for indoor applications]()
![black plastic general use enclosures]()
Shop NowGeneral use enclosures are great for everyday electronics applications.
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![hinged outdoor electrical enclosure]()
![Outdoor hinged electrical enclosure]()
Shop NowOur hinged enclosures are design for harsh industrial and commercial environments.
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![metal enclosures and boxes for electronics and electrical applications]()
![diecast aluminum box with surface mount flanges for electronics]()
Shop NowMetal enclosures are available in durable aluminum, steel or stainless steel materials.
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![NEMA waterproof electrical enclosures]()
![hinged electrical enclosure]()
Shop NowNEMA 4X enclosures protect against a variety of harsh indoor or outdoor environmental conditions.
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![Locking Electrical Box]()
![Lockable Junction Box]()
Shop NowSecure your enclosures components with a built-in padlock hasp or quarter-turn latch.
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![aluminum electrical enclosures]()
![NEMA electrical enclosure]()
Shop NowTrust durable Polycase enclosures for your electrical needs in outdoor environments.
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![surface mount enclosures for electronics]()
![enclosure with molded-on surface mount flanges]()
Shop NowFlanged enclosures make it convenient to surface-mount your box to a wall or ceiling.
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![Junction boxes for electronics]()
![Black junction boxes]()
Shop NowJunction boxes are a versatile choice for your electronics or electrical application.
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![Handheld enclosures for electronics]()
![handheld enclosure for wireless applications]()
Shop NowHandheld enclosures are available in a variety of styles, perfect for remote control application.
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![Aluminum enclosures for electronics]()
![diecast aluminum indoor enclosure for electronics]()
Shop NowAluminum enclosures provide excellent durability, temperature tolerance and corrosion resistance.
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![Made in the USA enclosures]()
![USA made enclosures]()
Shop NowEnclosures made in the USA ensure high-quality boxes with minimal shipping delays.
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![Plastic enclosures with clear covers]()
![gray plastic enclosure]()
Shop NowKeep your electronics safe and protected in durable plastic enclosures.
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![Outdoor steel enclosures]()
![outdoor weatherproof enclosures]()
Shop NowProtect components in dependable plastic or metal outdoor enclosures.
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![Polycarbonate junction boxes]()
![polycarbonate plastic enclosures in gray]()
Shop NowPolycarbaonte enclosures provide added durability for electronic or electrical applications.
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![UL listed enclosures and boxes]()
![UL certified enclosures and boxes]()
Shop NowTrust your product is protected when it is housed in a UL Listed enclosure.
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![Electrical enclosure with knockouts]()
![outdoor electrical enclosure with metric knockouts]()
Shop NowEnclosures with knockouts offer the flexibility of onsite installation of cables, wiring or conduit.
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![Steel NEMA electrical enclosures]()
![stainless steel NEMA rated electrical boxes]()
Shop NowHeavy-duty steel enclosure will provide protection to your electrical equipment in harsh environments.
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![plug-in enclosures for electronics]()
![wall plug-in enclosure for electronics applications]()
Shop NowPlug-in enclosure have been designed with a 15 AMP 120 VAC plug configuration.
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![plastic desktop enclosures for electronics]()
![indoor desktop style enclosure for electronics applications]()
Shop NowDesktop enclosures can be used as instrument enclosures or for indoor table-top electronics.
Why Polycase?
Buying direct from the manufacturer saves you time and money. Choose from thousands of metal and plastic electronics enclosure combinations to meet your exact needs. Our knowledge, experience, quality and speed is unmatched, resulting in a convenient and stress free partnership.
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Same Day Shipping
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Single Source Supplier
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Engineering Support
Customize Your Polycase Enclosure
Save time and impress your customers with a one-of-a-kind design that fits your needs.
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CNC Machining
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Digital Printing
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Electronic Enclosures and Boxes from Polycase
Polycase is a premier manufacturer of off-the-shelf plastic electronics enclosures and electrical boxes for OEM's in a variety of industries. Our enclosures are made from high-quality materials including: plastic, aluminum, steel and stainless steel. Designed for a variety of applications and environments, our catalog of electronics enclosure solutions range from waterproof NEMA-rated electrical enclosures to basic indoor potting boxes. Customer service is our top priority and speed is our promise. Stock orders placed before 3pm EST M-F ship same day. Customized orders with CNC machining and digital printing ship within 1-3 weeks. We continue to innovate and expand our product line of plastic enclosures and industrial metal boxes as well as our value-add services to ensure they meet the needs of electronic engineers and designers. We offer over 2,300 variations of off-the-shelf metal and plastic enclosures to ensure you can find your perfect fit. Our knowledgeable customer service representatives are available to answer questions, and our engineering team can answer any highly-technical questions. Reliable and fast, working with us is easy. Polycase has served the electronics industry since 1951, so we can be your trusted partner today and into the future.