NEMA 4X Rated Enclosure

NEMA 4X Rated Enclosure

In industrial environments, where equipment is constantly exposed to water, dust, chemicals, and corrosive environments, NEMA 4X-rated double-door enclosures are the benchmark for durability and reliability. Meeting the stringent standards of the National Electrical Manufacturers Association (NEMA), these enclosures combine a double-door design with superior environmental protection, making them ideal for applications that require frequent access, strong security, and long-term resistance to the harshest conditions.
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NEMA 4X Compliance: Protects against water jets, dust, and corrosive substances, withstanding high-pressure washdowns and prolonged exposure to chemicals.​

Dual Door Design: Enables layered access (outer door for security, inner door for frequent maintenance) while maintaining full environmental sealing.​

Structural Integrity: Built from premium materials like 304/316 stainless steel or powder-coated aluminum, ensuring resistance to rust, UV degradation, and mechanical impact.

 

NEMA 4X Certification Explained​
Protection Against:​
Water: High-pressure water jets (6.3mm nozzle, 3m distance, 50psi) per NEMA 250, equivalent to IP66/IP67.​
Dust: Complete dust-tightness (IP6X).​
Corrosion: Resistance to commercial cleaning agents, salt spray, and mild acids/alkalis (tested per ASTM B117).​
Temperature Range: Operates from -40°C to +80°C (extended models up to +120°C with thermal upgrades).

 

NEMA 4X Rated Enclosure Drawing

Material and thickness: cold-rolled plate

 

Door: 1.2mm & 1.5mm
Box: 1.5mm & 2.0mm
Mounting plate: 1.5mm & 2.0mm
When the box height is greater than 800mm, the thickness of the box and door is 1.5mm, and the mounting plate is 2.0mm

 

 

Our Certificates

 

product-1654-2339
product-466-658
product-1653-2339

  

FAQ:

 

Can NEMA 4X enclosures be used in outdoor environments with direct sunlight?​

 

Yes, provided they have UV-stabilized finishes:​
Metallic Finishes: Powder coatings with ≥800 hours UV resistance (ASTM G154), such as RAL 7035 (light gray) or RAL 9006 (aluminum).​
Stainless Steel: 304/316 grades are naturally UV-resistant; avoid uncoated aluminum in tropical regions (use Type II anodizing for 5+ years of UV protection).

 

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