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NEMA Enclosures, Electrical Enclosures, & Non-Metallic Enclosures
An enclosure is a housing constructed to provide a degree of protection from accidental contact with the enclosed equipment and external environmental conditions. Solutions Direct offers thousands of sizes from small junction boxes up to large free standing enclosures. We offer fiberglass enclosures, metal enclosures, and polycarbonate enclosures, each providing different advantages in various applications.
Click here to or if you have any questions and need assistance choosing an enclosure for your application please contact us at (888) 886-8185.
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- Sizes: 6" x 6" x 4" to 72" x 49" x 25"
- NEMA Ratings: 1, 2, 3, 3R, 4, 4X, 6P, 12, and 13
- Advantages: Good rigidity, chemical resistance, wide temperature range, and electrical properties.
- Applications: Indoor or outdoor use where environments of extreme temperature, high salt concentration, strong alkalis, acids or organic solvents are present. Also, recommended for continuously wet environments and wireless applications (Does not block radio waves).
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- Sizes: 1.98" x 1.77" x 1.00" to 86" x 187" x 14"
- NEMA Ratings: 1, 3R, 4, 4X, 12, and 13
- Advantages & Applications:
Aluminum: For general indoor and outdoor use, lightweight, corrosion-resistant to hydrogen sulfide, and is perfect for waste water treatment applications.
Carbon Steel: Cost effective solution for general indoor and outdoor use where corrosion is not an issue.
Stainless Steel (304 & 316): Known for tough, corrosion-resistant construction. Ideally suited for food processing areas, dairies, breweries or any wet areas (marine environments). Also works well where caustic elements or alkalis are present.
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- Sizes: 3.9" x 3.9" x 1.4" to 29.9" x 22" x 9.8"
- NEMA Ratings: 1, 3R, 4, 4X, 6, 6P, 12, and 13
- Advantages: Exhibits four times the impact resistance than fiberglass enclosures, easy to modify, light weight, and high gloss finish.
- Applications: Due to its advantages, it can be used in many automotive, aircraft, industrial, and electrical applications. Also recommended for wireless applications (Does not block radio waves).
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- Side or top mounting air conditioners (1200 - 24000 BTU/H)
- Compact enclosure heaters
- Hygrostats, Hygrotherms, Thermostats, & Relays
- Filter fans & fan trays (14 - 1017 cfm)
- Energy saving enclosure lights
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- Table top, wall mount, and relay racks
- 19", 23", 24", and 30" rack mounts
- Knockdown and welded rack cabinets
- Ventilated or solid configurations
- Light or heavy duty versions available
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Comparison of Enclosure Materials
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| Enclosure Material |
Fiberglass |
Aluminum |
Stainless Steel |
Carbon Steel |
PVC |
Polycarbonate |
| Corrosive Resistance |
Excellent |
Good |
Excellent |
Poor |
Excellent |
Fair |
| Chemical Resistance |
Excellent |
Good |
Excellent |
Poor |
Very Good |
Good |
| Relative Cost |
Low - Moderate |
Moderate |
High |
Low - Moderate |
Low |
Low - Moderate |
| Drilling, Punching & Cutting |
Very Easy |
Easy |
Extremely Hard |
Hard |
Very Easy |
Easy |
| Dielectric Strength |
Electrical Insulator |
Electrical Conductor |
Electrical Conductor |
Electrical Conductor |
Electrical Insulator |
Electrical Insulator |
| Weight |
Light |
Medium |
Heavy |
Heavy |
Light |
Light |
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Applications for Enclosures: |
| Waste Water Treatment |
| Odor control |
| Grinder pump controls |
| Chemical injectors |
| Sludge conditioners |
| Desalination controls |
| Wireless communications |
| SCADA systems |
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| Car Wash Industry |
| Chlorinators |
| Water recycling |
| Air door controls |
| Washing equipment |
| Control panel systems |
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| Pump Original Equipment Manufacturers |
| Flow controls |
| Flow metering |
| Liquid level controls |
| Equipment recorders |
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| Utilities |
| Gas detectors |
| Coal analyzers |
| Air pollution monitors |
| Petrochemical analyzers |
| Wireless communications |
| SCADA systems |
| Solar panel battery storage |
| Wind turbine control panel |
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| Mining |
| Radio phones |
| Elevator controls |
| Air monitoring analyzers |
| Emergency lights and sirens |
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