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NEMA 13 Enclosure

NEMA 13 Enclosure

Detailed Specifications

Parameter

Specification

Product Series

NEMA 13 Enclosure / Industrial Dust-Tight & Oil-Resistant Electrical Box

Environment

Indoor industrial use (protects against dust, dripping water, oil, and coolant seepage)

Dimensions

Standard industrial sizes available; custom cutouts and interior mounting panels supported

Materials

• Galvanized and cold-rolled steel

• Stainless steel enclosure (304 / 316)

• Aluminum enclosure

• Fiberglass reinforced polyester 

Protection & Features

Prevents ingress of dust, non-corrosive liquids, oil, and coolants to protect internal controls and automation components

Key Configurations

High-seal dust/oil-resistant gaskets, heavy-duty latching systems, pre-machined wall or surface mounting holes

Process

Laser Cutting

Laser Cutting

Dedicated nitrogen cutting ensures zero oxidation layer on every workpiece.

CNC Bending

CNC Bending

Advanced equipment guarantees precision at every step.

Automated Welding

Automated Welding

Standardized welding robots deliver 10x manual efficiency with higher, more stable quality.

Surface Finishing

Surface Finishing

Options include as-machined, coating, surface treatment, heat treatment, and custom finishes.

Custom Logo

Custom Logo

Customer-supplied logos can be printed directly on product surfaces.

Learn More

F.A.Q

01

What specifications are needed for custom NEMA enclosure design and acceptance?

Provide mounting location, temperature range, dust type, water source/pressure, oil/coolant details, corrosive media, submersion depth/duration, dimensions, internal equipment, cutouts, cable entry, material, and finish requirements.

02

Are NEMA enclosures explosion-proof, corrosion-resistant, or fully waterproof?

No. NEMA ratings define protection against specific environmental factors, but do not inherently guarantee explosion-proof certification, universal chemical compatibility, total waterproofing, continuous submersion, or high-pressure washdown capability.

03

How to choose between NEMA 4 and NEMA 6?

NEMA 4 handles rain, windblown dust, splashing, and hose-directed water. NEMA 6 adds protection against temporary submersion at limited depths. The choice depends on whether water levels may rise above the enclosure base or door seam for a period of time.

04

What is the difference between NEMA 4 and NEMA 4X?

NEMA 4 protects against windblown dust, rain, snow, splashing water, and hose-directed water. NEMA 4X adds corrosion resistance, ideal for coastal, humid, chemical, wastewater, food processing, or washdown environments using cleaning agents.

05

How to differentiate NEMA 3, NEMA 3R, and NEMA 4?

NEMA 3 and 3R are for outdoor rain, sleet, snow, and external icing. NEMA 3 also protects against windblown dust, while NEMA 3R focuses on rain, sleet, and ice without windblown dust protection.

06

What is the difference between NEMA 1, NEMA 5, and NEMA 13?

NEMA 1 is for general indoor use, protecting personnel and guarding against falling dirt. NEMA 5 adds protection against settling airborne dust, dirt, and dripping non-corrosive liquids. NEMA 13 targets machine tool and industrial environments exposed to spraying and splashing oil, coolants, and oil mist.

07

Can NEMA types directly convert to IP ratings?

No direct 1:1 conversion exists. NEMA types cover solid ingress and water, plus windblown dust, oils, coolants, external icing, corrosion resistance, and limited submersion. IP ratings primarily classify ingress of solids and water.

08

How to select the right NEMA enclosure for your site?

Confirm five key factors: mounting location, primary contaminants, water sources, presence of corrosive media, and potential submersion risk.

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