IP-Rated Electrical Enclosures Manufacturer
Vililong manufactures IP-rated electrical enclosures for industrial control, power distribution, automation, outdoor equipment, and harsh environment applications.
Our IP-rated enclosures are available in powder-coated steel, SUS304, and SUS316 stainless steel, with protection options from IP54 to IP66. We support standard models and custom enclosure fabrication with sealed doors, PU foamed gaskets, cable entry cutouts, ventilation, and IP protection design.
IP-Rated Protection Built on Sealing Design
We specialize in manufacturing high-quality IP-rated enclosures up to IP65, suitable for demanding industrial and outdoor environments. All our IP65 enclosures are tested and come with official certification reports. Custom sizes, materials, and cutouts are available to meet your specific needs.
Certified IP65 Protection with Reliable Sealing Structure
Built to maintain long-term sealing reliability even in demanding industrial and outdoor environments
Certified IP65
Certified IP65 protection against dust ingress and water jets
Certified CE
CE certified for compliance with international safety and quality standards
Machine-Foamed
Machine-foamed continuous PU gasket ensures reliable waterproof sealing performance
Precision-formed structure
Precision-formed enclosure structure enhances rigidity and maintains IP65 sealing integrity
What Are IP-Rated Electrical Enclosures?
IP (Ingress Protection) ratings are defined by the international standard IEC 60529 to specify how well an enclosure protects against the intrusion of solid particles (like dust) and liquids (like water). Each rating consists of two digits:
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The first digit represents protection against solids (like dust)
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The second digit represents protection against liquids (like water)
For industrial buyers, choosing the correct IP rating helps protect electrical components from dust, water, humidity, and outdoor exposure while reducing maintenance risks.
| IP Rating | Protection Level | Typical Applications |
|---|---|---|
| IP54 | Limited dust ingress; protected against water splashes from any direction | Indoor control panels, sheltered installations |
| IP55 | Limited dust ingress; protected against low-pressure water jets | Light outdoor use, machinery enclosures |
| IP65 | Dust-tight; protected against water jets from any direction | Outdoor power boxes, industrial cabinets |
| IP66 | Dust-tight; protected against powerful water jets and harsh weather | Heavy-duty outdoor applications, marine environments |
Our IP-Rated Enclosure Products
We manufacture and provide certified IP65-rated enclosures, and may support IP66 on a project basis. Please consult us for confirmation.
IP65 Wall-Mounted Enclosure
Compact IP65 enclosure for control panels, automation systems, and outdoor electrical installations.
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IP65 Stainless Steel Enclosure
Compact IP65 enclosure for control panels, automation systems, and outdoor electrical installations.
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IP65 Freestanding Enclosure
Floor-standing IP65 cabinet for power distribution, control systems, and industrial equipment protection.
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IP54 Modular Enclosure
Modular enclosure system for indoor industrial control and power distribution applications.
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IP66 Wall-Mounted Enclosure
Modular enclosure system for indoor industrial control and power distribution applications.
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Why Choose Vililong as Your Enclosure Manufacturer
Direct Manufacturer in China
Vililong is a direct manufacturer of IP-rated outdoor electrical enclosures, engineered to protect electrical systems in harsh environments such as rain, dust, UV exposure, and temperature fluctuations.Our enclosures are designed to meet demanding industrial requirements, with protection levels up to IP65/IP66 and optional NEMA 3R, 4, and 4X ratings for global applications. This ensures reliable performance in outdoor power distribution, automation, and infrastructure projects.
Built using high-quality materials including powder-coated steel and stainless steel (SUS304 / SUS316), our enclosures provide excellent corrosion resistance, structural strength, and long service life even in aggressive environments.With in-house sheet metal fabrication — including laser cutting, welding, powder coating, PU Foamed Gasket and UV printing — we guarantee tight tolerances, consistent quality, and long-term sealing performance.
We support full OEM/ODM customization, including size, thickness, surface finish, cutouts, ventilation, and mounting solutions — helping panel builders, system integrators, and distributors deliver reliable projects worldwide.
0Years experience
Electrical Enclosure
Manufacturing
Manufacturing
0Employees
R&D, design, production
Technical team
Technical team
0Countries
Exported to 20+ Countries
0Enclosures
5000+ Enclosures Delivered Annually
Factory & Production Capacity
Manufacturing Capabilities
Reliable Global Supply
Direct Manufacturer
Work directly with our in-house manufacturing team. No middlemen, better pricing, and full control over quality, lead time, and customization.
Fast Sampling & Stable Delivery
Quick sample turnaround and flexible production scheduling help you meet tight project deadlines with confidence.
Strict QC System
Every enclosure is inspected during production and tested before shipment to ensure consistent quality and reliable performance.
Built for Industrial Applications
Designed for long-term use in demanding environments such as power distribution, automation, and outdoor installations.
Certified Electrical Enclosure Manufacturer
CE
IP65
ISO9001
Custom IP-Rated Enclosure Solutions
Customization Process
0. Consultation (Optional)
Discuss project requirements, application conditions, and enclosure recommendations.
1. Submit Your Design
DWG, STEP, PDF, or even a sketch — we accept all formats and provide quick feasibility checks.
2. Technical Evaluation
Our engineers review structure, materials, cutouts, and protection level requirements, offering optimization if needed.
3. Prototyping & Sampling
Prototype or small-batch samples are produced to verify dimensions, fitment, strength, and surface finishing quality.
4. Mass Production
After approval, full-scale fabrication begins—laser cutting, bending, welding, assembly, and coating under strict QC.
5. Packing & Delivery
Finished enclosures are inspected, packaged with protective materials, and shipped globally by sea or air.
Custom Options
- Size
Custom width, height, and depth tailored to your installation and component layout needs.
- Color
Industrial-grade RAL powder coating for safety identification and corrosion resistance.
- Material types & Thickness
Cold-rolled steel, stainless steel, galvanized steel, or aluminum with selectable thickness based on strength and protection requirements.
- Door and hinge Types
Single-door, double-door, reinforced door designs, concealed or lift-off hinges.
- Door Locks
Quarter-turn locks, key locks, padlockable handles, and compression latches.
- View Windows
Polycarbonate or tempered-glass viewing windows for safe equipment monitoring.
- Mounting Plate
Custom mounting plates for breakers, relays, contactors, and internal components.
- UV Printing
Durable UV printing for labels, warnings, logos, or control panel markings.
- Enclosure Rating
IP54 / IP55 / IP65 /IP66 and NEMA protection levels based on sealing design and environment.
- Accessories
Cooling fans, ventilation louvers, lighting, brackets, cable glands, document holders, etc.
- Cutouts & Machining
Laser-cut openings for switches, displays, connectors; CNC machining for precision interfaces.
- Surface Finishing Options
Powder coating, spraying, galvanizing, brushing, polishing, and anti-corrosion treatments.
How to Choose the Right IP-Rated Electrical Enclosure
Understand IP ratings, environmental risks, and how to select the right protection level
Understand IP Rating Structure
IP ratings define protection against dust and water. The first digit indicates protection against solid particles, while the second digit refers to resistance against liquids such as rain or water jets.
Select the Correct IP Level
IP54 is suitable for indoor use, while IP65 and IP66 are recommended for outdoor environments where exposure to dust and water is unavoidable. Higher ratings ensure better protection and longer service life.
Match IP Rating to Application
Different environments require different protection levels. Outdoor power distribution, industrial automation, and marine environments typically require IP65 or higher to ensure reliable operation.
Focus on Sealing & Construction
A high IP rating depends on proper sealing design. PU gaskets, precision welding, and tight assembly tolerances are critical to maintaining long-term protection performance.
IP65 vs IP66 – What’s the Difference?
IP65 protects against water jets from any direction, while IP66 provides stronger protection against powerful water jets, making it suitable for harsher outdoor conditions.
Do You Need NEMA Rating?
For North American markets, NEMA ratings such as NEMA 4 or 4X are often required. These standards include additional corrosion and environmental resistance requirements beyond IP ratings.
Material Matters for IP Performance
Stainless steel enclosures offer better corrosion resistance, while powder-coated steel provides a cost-effective solution for general industrial environments.
Common Mistakes to Avoid
Choosing a lower IP rating to save cost can lead to water ingress, equipment failure, and higher long-term maintenance expenses.
Not sure which IP rating is right for your project?
Our engineering team can recommend the best solution based on your application, environment, and budget.
Frequently Asked Questions
- What’s your company main products?
The main business is to provide customers with custom enclousure services, we also sell some General Boxes.
- How about the price of the product?
We are a manufacturer, we mainly provide customized services for our customers, and we believe that our prices have enough advantages.
- What does the enclosure customization service contain?
Box Sizes,Box Colors,Door Types,Gland Plates,Specific Cutouts,Moutning Plates,Protective Covers,Standing Types,Windows,Thickness,Accessories.
- Can we get the sample? Is it free?
Yes, we could offer the general box sample for free charge,but need you pay the express. The freight depends on weight, packing size and your country or province region, etc.
- What’s about MOQ?
First order MOQ=1pcs.
- How can I get product catalogs?
You can get the catalogs by contacting us.
- How to order our product?
1.Please tell us the model and quantity and other request you need.
2.We make the PI for you.
3.After you confirm the PI, we arrange the order for you after receiving your payment.
4.After the goods finished, we send the goods out to you and tell you the tracking number.
5.We will track your goods until you receive the goods.
- How about the after-sale service?
If you meet any problems after sales, pis contact us freely, we’ll help solving the problems within 24 hours.
- What’s the payment term?
100% T/T (large order, accept 30% T/T prepay 70% balance before shipping), Western Union, Paypal.