Custom PLC Enclosure Manufacturer in China
A PLC Enclosure is a protective cabinet designed to house programmable logic controllers and related equipment, shielding them from dust, moisture, vibration, and unauthorized access. At Linkwellelectrics, we manufacture high-quality PLC Enclosures for control cabinets, telecom boxes, and data center cooling systems. With our expertise, we help customers maintain reliable automation systems in the harshest environments. Whether you’re outfitting a new production line or upgrading outdated infrastructure, we offer tailored solutions that fit your exact needs. Contact us to discuss your project and discover how our enclosures can protect your investment.

Linkwell Electrics - Your Trusted PLC Enclosure Manufacturer from China
1. CE and UL certified for global safety compliance
2. NEMA-rated sealing protects against dust and moisture
3. Corrosion-resistant stainless steel and aluminum construction
4. Certified to Meet UL and CE Standards
As a trusted supplier of PLC Enclosure solutions, we offer a full range of support services—from design consultation and material selection to production and logistics.
We work closely with clients in electrical, telecom, factory, and HVAC industries to ensure seamless integration. Our team helps you choose the right enclosure based on NEMA ratings, cooling requirements, and layout.
We also offer CAD drawings, fast sampling, and global shipping. If you have technical questions or installation needs, we’re just a message away.
Global Partnership






Various PLC Enclosure Series
We specialize in custom PLC Enclosure manufacturing, offering flexible design options including size, cooling methods, viewing windows, mounting styles, and materials (stainless steel, aluminum, or plastic).
Customization allows you to optimize protection, save space, and reduce maintenance costs. We offer competitive pricing, short lead times, and quality assurance certified by CE and UL.
Our solutions are well-researched to meet global standards and local market demands. Reach out to us and let us help you design the ideal enclosure for your needs.

Custom Stainless Steel Plc Enclosure
This enclosure is built with industrial-grade stainless steel, perfect for environments where corrosion and impact resistance are essential. Ideal for telecom and manufacturing cabinets exposed to water, chemicals, or vibration. As a custom solution, it offers flexible mounting, ventilation, and cable entry options. Tailored dimensions make integration with your equipment seamless. These enclosures help prevent costly equipment failure and downtime. Popular in chemical plants, coastal sites, and food production.

NEMA 4 Plc Enclosure
Built to NEMA 4 standards, this enclosure resists dust, splashing water, and external ice formation. Used widely in control cabinets and telecom signal boxes, it’s ideal for outdoor and washdown settings. We design and manufacture these to suit various layout and cooling needs. The gasketed doors and secure locking systems ensure environmental protection and equipment security. This series is highly recommended for production lines requiring robust, weatherproof protection.

NEMA 3 Switch Wall Mount Plc Enclosure
This wall-mounted enclosure meets NEMA 3 standards for weather resistance and protection from falling dirt. Perfect for housing PLCs and electrical switches in light industrial applications, this design supports quick wall installation and easy maintenance. Internal layout customization makes it adaptable to different switchgear and PLC sizes.

Nema 4X Wall Mount Plc Enclosure
The NEMA 4X enclosure offers advanced corrosion resistance, ideal for food, beverage, and pharmaceutical industries. It withstands hose-directed water, dust, and chemicals. These wall-mount enclosures include high-seal gaskets and cooling vents. Their long-lasting performance ensures critical automation equipment stays dry, cool, and functional in wet environments.

Plc Enclosure With Viewing Window
This model provides a transparent window for monitoring equipment without opening the cabinet. It’s excellent for telecom, HVAC, and data center use. The window is made from toughened polycarbonate and integrated with locking systems. This helps ensure safe inspection while minimizing exposure to outside contaminants.

Push Button Plc Enclosure
Designed with push button interfaces on the front panel, this enclosure enables operator control and status checking without opening the main door. It’s a smart choice for machine panels and factory automation systems where frequent manual interaction is needed. Sealed buttons ensure safety and prevent dust or liquid entry.

Natural Ventilation Plc Enclosure
This model relies on natural airflow, using louvers or mesh grilles to provide passive cooling. It’s ideal for low-power PLC systems or temperate indoor conditions. It helps you cut energy usage while maintaining enclosure safety. Especially suitable for telecom closets or maintenance areas.

active cooling (fans, air conditioners) Plc Enclosure
Featuring built-in fans, heat exchangers, or air conditioners, this model actively manages enclosure temperature. It’s perfect for hot or outdoor locations where internal heat buildup can damage equipment. Often used in base stations and control panels in warm regions. Ask us how to choose the best cooling method for your site.
PLC Enclosure Key Parts

Fan and Filter
Ensures constant airflow and removes dust from the enclosure interior, supporting long-term equipment performance.

Cabinet Air Conditioner
Maintains optimal temperature in high-heat or outdoor applications using closed-loop cooling.

Thermostat and Hygrostat
Monitor and regulate internal temperature and humidity, preventing moisture-related damage.

Enclosure Heater
Prevents condensation in cold or damp conditions, essential in telecom and outdoor cabinets.

Distribution Terminal Blocks
Organize power and signal wiring safely within the enclosure.

60-100VA Control Transformer
Converts voltage for PLC use, providing safe and stable power.
Application of PLC Enclosure Manufacturer in Different Industries
Manufacturing
Customize Your PLC Enclosure
Quality Assurance
All enclosures are CE, UL certified for safety.
Stainless steel and IP-rated for durability in harsh environments.
Each unit undergoes strict QC inspection before delivery.
Customization Flexibility
Size, layout, mounting, and accessories all configurable.
Options include ventilation, cooling, or viewing windows.
Tailored to application: telecom, automation, HVAC, and more.
Economic Benefits
Competitive pricing even for small batch orders.
Short lead times and global shipping support.
Reduces costly downtime and system failures.
Technical Support
2D/3D CAD drawings provided during design phase.
Installation guidance and after-sales consultation available.
Multilingual support for global customers.
What is PLC Enclosure? How Does It Work?
A PLC Enclosure is a protective housing designed to secure programmable logic controllers (PLCs) and associated devices in industrial and commercial environments. Its main purpose is to safeguard sensitive control systems from external threats like moisture, dust, impact, and temperature extremes.
The enclosure forms a sealed barrier that isolates the electronic components from harmful conditions. It’s typically made of stainless steel, aluminum, or polycarbonate, depending on where it will be used. Inside the enclosure, DIN rails hold the PLCs in place, while ventilation or cooling systems manage heat. Some enclosures feature thermostats, heaters, or filters to ensure stable environmental control.
How it works is straightforward: The enclosure shields the hardware from outside contaminants, while built-in components like fans, filters, or AC units maintain a safe internal environment. Optional viewing windows, push buttons, or cable glands allow external access or monitoring without opening the main door. PLCs within the enclosure manage automation processes, and keeping them protected is key to preventing failure and downtime.
Feature | Description |
---|---|
Material | Stainless steel, aluminum, or polycarbonate |
Mounting | Wall, floor, or pole mount |
Cooling | Passive (vents), active (fans, AC) |
Sealing | IP54, IP65, NEMA 3/4/4X rated |
Cable Management | CMS clips, grommets, or glands |
Viewing Access | Transparent window or HMI mount |
Certification | CE, UL, RoHS |
Internal Layout | DIN rail, wiring channels |
Application | Control panels, telecom, HVAC |
What are the Benefits of PLC Enclosure?
A PLC Enclosure protects sensitive automation equipment from dust, moisture, and damage, ensuring system reliability, extending equipment lifespan, reducing downtime, and improving safety across industrial, telecom, and HVAC applications. It supports clean, organized installations.
Customer Testimonials


FAQ of Air Conditioner for PLC Enclosure
What is a PLC enclosure used for?
A PLC enclosure protects programmable logic controllers and related electronics from moisture, dust, temperature fluctuations, and unauthorized access. It helps extend equipment lifespan and ensures system reliability. Enclosures are critical in industries like manufacturing, telecom, and data centers where automation systems must operate safely and continuously.
How do I choose the right size PLC enclosure?
Consider the number and size of devices inside, space for wiring, and clearance for airflow. It’s wise to leave room for future expansions. Oversized enclosures may cost more, but they allow better airflow and easier maintenance.
What are NEMA ratings and why are they important?
NEMA ratings define the enclosure’s protection level against dust, water, and corrosion. For instance, NEMA 4 and 4X are suitable for outdoor or washdown conditions. Choosing the right rating ensures safety and compliance.
Can PLC enclosures include cooling or ventilation?
Yes, many models include fans, filters, or air conditioning to maintain internal temperature. This is essential in high-heat or outdoor applications to prevent equipment failure.
What materials are best for PLC enclosures?
Stainless steel is great for harsh or corrosive environments. Aluminum is lightweight and rust-resistant. Polycarbonate works well in indoor or low-impact settings.
Do you offer PLC enclosures with viewing windows?
Yes. Viewing windows allow visual inspection without opening the cabinet. This is useful for monitoring status lights or displays, especially in data centers or control rooms.
All-in-one PLC Enclosure Solutions for Your Project
Choosing us as your PLC Enclosure supplier means you get quality, reliability, and market insight. We use durable, certified materials that meet global standards, ensuring consistent protection.
Our flexible production allows quick delivery with custom specifications. With years of experience in industrial enclosures, we understand your challenges and offer products designed to perform.
From pricing to logistics, we help you compete in your market more effectively.