Single Door Enclosure Solutions

Professional single door electrical enclosures with NEMA 4/4X/12 ratings for superior protection in industrial applications.

  NEMA 4/4X/12 Rated
  17 Years Experience
  UL Listed
  Custom Sizes
Single Door Electrical Enclosure

Key Features & Benefits

Our single door enclosures provide reliable protection for electrical and electronic equipment

 

Weather Protection

NEMA 4/4X rated protection against rain, sleet, snow, and windblown dust. Perfect for outdoor installations.

 

Robust Construction

Made from 14/16 gauge steel with continuously welded seams. Available in carbon steel and stainless steel options.

 

Secure Closure

Quarter-turn locking mechanism and 3-point latch system on larger enclosures ensure positive closing.

 

Easy Access

Concealed hinges with removable pins allow complete door removal for maintenance and installation.

 

Gasket Seal

High-quality neoprene gasket provides complete water-tight seal with oil-resistant adhesive attachment.

 

Durable Finish

ANSI 61 gray polyester powder coating inside and out. Heat-fused powder paint electrostatically applied.

NEMA Ratings & Standards

NEMA 4 – Outdoor Protection

Designed for outdoor use, providing protection against windblown dust, rain, sleet, and snow.

  • • Protection from splashing water
  • • Resistance to corrosion
  • • Suitable for outdoor applications

NEMA 4X – Corrosion Resistant

Enhanced protection with corrosion resistance, ideal for harsh chemical environments.

  • • Stainless steel construction
  • • Chemical resistance
  • • Extended outdoor durability

NEMA 12 – Indoor Protection

Indoor applications requiring protection against dust, falling dirt, and dripping liquids.

  • • Dust-tight construction
  • • Protection from oil seepage
  • • Suitable for industrial environments
NEMA Rated Enclosure

Applications & Industries

Versatile protection solutions for diverse industrial applications

 

Manufacturing

Control panels, motor starters, and automation equipment protection in industrial facilities.

 

Power Distribution

Electrical distribution panels, switchgear, and power control equipment housing.

 

Water Treatment

Pump controls, water monitoring systems, and treatment facility equipment.

 

Oil & Gas

Control systems for petrochemical plants, refineries, and pipeline operations.

 

Food Processing

Sanitary enclosures for food and beverage production equipment controls.

 

Pharmaceutical

Clean room compatible enclosures for pharmaceutical manufacturing equipment.

Industrial Application
Custom Single Door Enclosure

Size Options & Customization

Choose from our extensive range of standard sizes or request custom dimensions to meet your specific requirements.

Standard Sizes

  • 12″ x 24″ x 6″
  • 16″ x 20″ x 8″
  • 20″ x 24″ x 10″
  • 24″ x 30″ x 12″

Large Sizes

  • 36″ x 48″ x 16″
  • 48″ x 60″ x 20″
  • 60″ x 72″ x 24″
  • Custom sizes available
 

Material Options

Carbon steel, 304 stainless steel, 316L stainless steel

 

Finish Options

ANSI 61 gray, custom RAL colors, galvanized coating

 

Custom Features

Window kits, cable glands, internal panels, ventilation

Frequently Asked Questions

Common questions about our single door enclosures

What NEMA ratings are available for single door enclosures?

We offer single door enclosures in NEMA 4, NEMA 4X, and NEMA 12 ratings. NEMA 4 provides outdoor protection against weather, NEMA 4X adds corrosion resistance with stainless steel construction, and NEMA 12 is designed for indoor applications with dust and drip protection.

What materials are used in construction?

Our single door enclosures are constructed from high-quality 14 or 16 gauge steel with continuously welded seams. We offer carbon steel with powder coating for standard applications and 304/316L stainless steel for corrosive environments.

Can you provide custom sizes and modifications?

Yes, we specialize in custom enclosure manufacturing. We can modify standard sizes or create completely custom dimensions. Additional options include window kits, cable glands, internal mounting panels, ventilation systems, and custom finishes.

What certifications do your enclosures have?

Our single door enclosures are UL Listed and CSA certified. We maintain ISO9001 quality management certification, ISO14001 environmental certification, and ISO45001 occupational health and safety certification to ensure consistent quality and compliance.

How do I determine the right size enclosure for my application?

Consider your equipment dimensions with at least 6 inches clearance on all sides for ventilation and access. Factor in cable management space and future expansion needs. Our technical team can assist with size selection based on your specific equipment and application requirements.

What is the typical lead time for single door enclosures?

Standard size enclosures typically ship within 2-3 weeks. Custom enclosures require 4-6 weeks depending on complexity and modifications. We maintain inventory of popular sizes to minimize delivery times and can expedite orders when needed.

Get Your Custom Quote Today

Contact our experts for personalized single door enclosure solutions

 

Our Location

Feilong 2nd Road, Yueyang Community
Tongliang District, Chongqing, China

 

Email Us

info@chnrh.com
 

Experience

17 years of electrical enclosure manufacturing

 

Certifications

ISO9001, ISO14001, ISO45001, UL Listed

Request Technical Quote