Stainless Steel Electrical Enclosures Manufacturer
• IP65 / IP66 protection available for selected designs
• Custom sizes, cutouts, mounting plates, and accessories
Vililong manufactures stainless steel electrical enclosures for industrial control, power distribution, automation, outdoor installations, and corrosive environments.
Available in SUS304 and SUS316 stainless steel, our enclosures provide strong corrosion resistance, durable structure, and reliable protection for harsh industrial applications. We support standard models and custom stainless steel enclosure fabrication based on project drawings, installation requirements, and protection needs.
Standard Stainless Steel Enclosure Manufactured by Vililong

VAE Series Stainless Steel Mounted Enclosure
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VES Series Stainless Steel Freestanding Enclosure
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VPS Series Stainless Steel Modular Electrical Enclosure
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Why Choose Vililong as Your Enclosure Manufacturer
Direct Manufacturer in China
Vililong is a China-based manufacturer specializing in high-performance stainless steel electrical enclosures designed for harsh and corrosive environments.Manufactured using SUS304 or SUS316 stainless steel, our enclosures provide superior corrosion resistance, mechanical strength, and long service life — ideal for outdoor, marine, chemical, and food-grade applications.
With in-house sheet metal fabrication including laser cutting, welding, powder coating, PU Foamed Gasket and UV printing ,we ensure consistent quality, tight tolerances, and reliable sealing performance up to IP65/IP66.Compared with traditional painted steel enclosures, stainless steel solutions significantly reduce maintenance costs and improve long-term reliability in demanding environments.
We support full OEM/ODM customization — including size, thickness, surface finish, cutouts, and mounting solutions — serving panel builders, system integrators, and industrial distributors worldwide.
Manufacturing
Technical team
Manufacturing Capabilities
Reliable Global Supply
Direct Manufacturer
Fast Sampling & Stable Delivery
Strict QC System
Built for Industrial Applications
Why Choose Stainless Steel Enclosures
Stainless steel enclosures are used when standard powder-coated steel cannot provide enough corrosion resistance, hygiene, or long-term durability.They are suitable for outdoor installations, coastal areas, chemical environments, food processing facilities, wastewater treatment, and industrial sites where moisture, chemicals, or cleaning processes may damage ordinary coated steel enclosures.

Corrosion Resistance

Long-Term Durability

Harsh Environment Use

Clean & Professional Appearance
SUS304 vs SUS316 Stainless Steel Enclosures
| Property | SUS304 | SUS316 |
|---|---|---|
| Corrosion Resistance | Good | Excellent (better for marine & chemical environments) |
| Molybdenum (Mo) Content | 0% | 2-3% |
| Strength & Durability | High | Slightly higher |
| Cost | Lower | ~20-30% higher |
| Best For | General industrial enclosures | Harsh environments (marine, chemicals, saltwater) |
Custom Stainless Steel Electrical 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.
Frequently Asked Questions (FAQ)-Stainless Steel Electrical Enclosure
- What types of stainless steel are used for electrical enclosures?
We offer 304 stainless steel for general-purpose applications and 316L stainless steel for environments that require higher corrosion resistance, such as coastal or chemical environments.
- Are these stainless steel enclosures suitable for outdoor use?
Yes, our stainless steel enclosures come with IP65, IP66, and IP67 ratings, making them perfect for outdoor use, even in harsh weather conditions. They provide full protection against water, dust, and environmental damage.
- Can I customize the size of the stainless steel enclosure?
Absolutely! We offer custom-sized stainless steel enclosures to fit your specific electrical components and installation space. Our team can assist you in designing the perfect enclosure based on your needs.
- How do I ensure my stainless steel enclosure is properly ventilated?
Our stainless steel enclosures are available with ventilation options such as fans or cooling units to prevent overheating. We can help you select the best solution based on your equipment and environmental conditions.
- What makes stainless steel a better material than other metals for electrical enclosures?
Stainless steel is highly resistant to corrosion, rust, and chemical damage, making it the ideal material for environments exposed to moisture, chemicals, or harsh weather. It also provides excellent strength and durability for long-term protection of your electrical components.
- How do I maintain a stainless steel electrical enclosure?
To maintain your stainless steel electrical enclosure, ensure regular inspections for signs of corrosion or damage, especially around seals and joints. Clean the surface regularly using a soft cloth and mild detergent. Avoid using abrasive cleaning agents that could scratch or damage the surface. Also, check for any dirt, dust, or moisture buildup inside the enclosure and clean it as needed.
- Can stainless steel enclosures be used in highly corrosive environments?
Yes, stainless steel enclosures, especially those made from 316L stainless steel, are highly resistant to corrosion and are ideal for use in highly corrosive environments such as coastal areas, chemical plants, or food processing facilities. They offer superior protection against corrosive substances, moisture, and salty air.
- What is the difference between IP65, IP66, and IP67 ratings?
The difference lies in the level of protection against water:
- IP65: Dust-tight and protected against water jets from any direction.
- IP66: Dust-tight and protected against powerful water jets.
- IP67: Dust-tight and can withstand temporary submersion in water up to 1 meter. Choosing the right rating depends on the environmental conditions and the level of protection your equipment requires.
- Are stainless steel enclosures suitable for both indoor and outdoor applications?
Yes, stainless steel enclosures are highly versatile and can be used in both indoor and outdoor applications. With proper IP ratings (such as IP65, IP66, or IP67), they provide excellent protection against the elements, making them suitable for outdoor use in industries like telecommunications, power distribution, and renewable energy installations.
- How do I choose the right size stainless steel electrical enclosure for my equipment?
To choose the right size enclosure, consider the following:
- Dimensions of the equipment: Ensure the enclosure is large enough to house your electrical components while leaving space for wiring and accessories.
- Future expansion: Choose an enclosure with extra space to accommodate any future upgrades or additional components.
- Airflow and cooling requirements: Consider the amount of space needed for ventilation or cooling systems if your equipment generates heat.
If you’re unsure, our team can assist you in selecting the right enclosure size based on your specific needs.
How to Choose the Right Stainless Steel Electrical Enclosure
Choose the Right Stainless Steel Grade
SUS304 is suitable for most indoor and general industrial environments, while SUS316 offers superior corrosion resistance for marine, chemical, and high-humidity applications. Selecting the right grade directly impacts service life and maintenance costs.
Check IP & NEMA Protection Ratings
For outdoor or harsh environments, enclosures should meet at least IP65 or higher. For North American projects, consider NEMA 4 or NEMA 4X standards to ensure protection against water, dust, and corrosion.
Ensure Reliable Sealing Design
A high-quality sealing system — including PU gasket and precision welding — is critical to prevent water and dust ingress. Fully welded structures offer better long-term protection than spot-welded or assembled designs.
Evaluate Customization Options
Look for manufacturers that support flexible customization, including cutouts, mounting plates, ventilation, and surface finishing. This ensures the enclosure fits your electrical system without costly modifications.
Need help selecting the right stainless steel enclosure?
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.
























