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NEMA 12 Enclosures & Boxes
Engineered for demanding indoor industrial environments, Hofengfab’s NEMA 12 enclosures deliver certified protection against dust, falling dirt, dripping liquids, and light splashes. With over 15 years of experience in industrial enclosure manufacturing, we understand your need for reliable protection, fast lead times, and competitive pricing. NEMA Type 12 enclosures are available in plastic, aluminum or steel in a range of convenient styles and sizes. All NEMA enclosures from Hofengfab undergo testing and certification by UL for guaranteed protection
NEMA 12エンクロージャ
Hofengfabは少量多品種のオーダーメイドソリューションを専門としており、高さ、幅、奥行き、素材、定格、認証など、お客様の仕様に合わせた1,600以上のカスタマイズ可能なオプションを提供しています。7～10営業日でサンプルをご用意し、15～25営業日で大量生産を完了するなど、迅速な納期をお約束します。小ロットでも大量注文でも、納期厳守でお届けします。
Available Sizes & Configurations
From small wall-mounted boxes to large floor-standing cabinets, we offer a range of NEMA 12 enclosures to meet your specifications. Choose from:
Hinged or screw cover designs
Back panels and swing panels
Floor or wall mounting kits
Stainless steel for food-grade environments
Features & Specifications
| Protection Level | Construction | Compliance & Certifications |
| ✔️ NEMA 12 Rated (Dust-Tight, Drip-Proof) | ✔️ Heavy-duty 16-gauge steel | ✔️ NEMA 250 & UL 50 certified |
| ✔️ Resists circulating dust, fibers & coolants | ✔️ Powder-coated finish (standard) | ✔️ CE, RoHS compliant |
| ✔️ Guards against light oil/coolant splashes | ✔️ Welded seams for integrity | ✔️ IP54 equivalent protection |
| ❌ NOT for outdoor/submersion | ✔️ Optional stainless steel | ❌ Not waterproof (use NEMA 4X/6P) |
設計、成形、射出成形のワンストップサービス。
カスタム製作サービス
曲げ加工、レーザー切断、ブラシ溶接、研磨、プレスなどの精密板金加工を専門とする。
オンタイム・デリバリー。
プロトタイピングは通常10日以内に完了する。
標準的な生産リードタイムは、製品の数量や複雑さにもよりますが、約15日です。
よくあるご質問
What is a NEMA 12 enclosure?
A NEMA 12 enclosure is a type of electrical enclosure designed for indoor use in industrial settings. It protects against dust, dirt, lint, fibers, and dripping non-corrosive liquids. These enclosures are commonly used to house control panels, relays, and other sensitive electrical or electronic components.
What is the difference between NEMA 12 and NEMA 4 enclosures?
The key difference lies in water protection:
NEMA 12: Protects against dust and dripping water; suitable for indoor, dry environments.
NEMA 4: Protects against hose-directed water and even occasional submersion; can be used outdoors or in wash-down areas.
If your application involves water spray or outdoor exposure, NEMA 4 is a better choice.
Is a NEMA 12 enclosure waterproof?
いや。 NEMA 12 enclosures are not waterproof. They are resistant to light dripping or splashing but not designed for high-pressure water or full submersion. For waterproof performance, consider NEMA 4 or 6 enclosures.
Where are NEMA 12 enclosures typically used?
広く使われている：
Manufacturing plants
Warehouses
Data centers
Food processing (dry areas)
HVAC system control rooms
CNC machine panels
Industrial automation and robotics
Are NEMA 12 enclosures UL Listed?
Yes, most high-quality NEMA 12 enclosures are UL Listed and CSA Certified, ensuring they meet rigorous safety and performance standards. Always verify certifications when purchasing.
Can NEMA 12 enclosures be used outdoors?
いや。 NEMA 12 is for indoor use only. For outdoor environments, use a NEMA 3R, 4, or 4X enclosure, depending on exposure to weather, wash-down, or corrosive substances.
What materials are NEMA 12 enclosures made from?
Common materials include:
Carbon steel (powder-coated) – Most widely used for general industrial use.
Stainless steel (304 or 316) – Used in environments where hygiene or corrosion resistance is required.
Aluminum or polycarbonate – Less common, but available for lightweight or specialty applications.
Are custom NEMA 12 enclosures available?
Yes. Many manufacturers offer customizable options including:
Size and mounting
Cutouts and knockouts
Painted finishes
Door types (hinged, double-door, locking mechanisms)
Internal mounting panels or DIN rails