NEMA 3R enclosure manufacturer
Our NEMA 3R Enclosures are engineered to provide reliable protection for electrical components in both indoor and outdoor environments. Built to withstand rain, sleet, and ice formation on the enclosure exterior. Hofengfab manufactures NEMA 3R enclosures for housing power distribution, lighting contractors, switch gear, and other electrical components that need to be protected in an outdoor environment.
Compliance & Certifications: UL Listed, CSA Certified, and compliant with NEC, IEC, and OSHA standards.
aluminum electrical enclosure manufacturer
A Hofengfab é especializada em soluções de baixo volume, grande variedade e por encomenda, oferecendo mais de 1.600 opções personalizáveis, adaptadas às suas especificações exatas — incluindo altura, largura, profundidade, material, classificação e certificações. Garantimos prazos de entrega rápidos, com amostras prontas em 7 a 10 dias úteis e a produção em série concluída no prazo de 15 a 25 dias úteis. Quer necessite de um pequeno lote ou de uma encomenda de grande volume, entregamos dentro do prazo.
wholesale NEMA 3R electrical enclosures
Your Trusted Supplier for Industrial NEMA 3R Enclosures in Bulk
At Hofengfab, we specialize in wholesale NEMA 3R electrical enclosures built to meet strict industry standards for outdoor and indoor environments. With over 15 years of experience in custom enclosure manufacturing and international exports, we deliver quality, compliance, and competitive pricing for OEMs, distributors, and engineering firms across North America, Europe, and the Middle East.
Custom NEMA 3R Enclosure
| Característica | Descrição |
| Material | Steel, Stainless Steel 304/316, Aluminum |
| Mounting | Wall, Pole, Floor, or Rack Mount |
| Concluir | Powder Coating (RAL colors), Brushed, or Polished |
| Accessories | DIN Rails, Back Panels, Cable Glands, Fans, Filters |
| Door Styles | Single or double doors, hinged or lift-off, with gasketing |
| Accessories | Louvered vents, rain hoods, backplates, gland plates, handles |
| Size Range | From compact junction boxes to large control cabinets |
Serviço completo de conceção, moldagem e moldagem por injeção.
Custom Fabrication Services
Specializing in precision sheet metal processing, including bending, laser cutting, brushed welding, polishing, stamping, and more.
ON-Time Delivery.
Prototyping typically completed within 10 days.
Standard production lead time is around 15 days, depending on product quantity and complexity.
Produtos relacionados
Atendemos setores como a automação industrial, sistemas de telecomunicações/montagem em rack, energias renováveis, equipamento médico e aplicações militares/aeroespaciais, fornecendo soluções de caixas robustas e específicas para cada aplicação, concebidas para garantir a fiabilidade.
Caixa para montagem em rack de 19 polegadas
Caixa de plástico à prova de água
Caixa de distribuição elétrica
Perguntas frequentes
Are your NEMA 3R enclosures UL-certified?
Yes, UL certification is available upon request, especially for control panel assemblies under UL 508A.
Can you customize the size and mounting design?
Absolutely. We offer full customization including dimensions, cutouts, ventilation, and mounting options.
Are your NEMA 3R enclosures UL-certified?
Yes, UL certification is available upon request, especially for control panel assemblies under UL 508A.
Can NEMA 3R enclosures be used in coastal areas with high salinity?
Yes! Our steel enclosures feature triple-layer corrosion protection, and polycarbonate models are inherently rustproof.
Are mounting brackets included?
Standard enclosures include universal brackets. Custom mounting kits are available for specialized installations.
What’s the lead time for custom sizes?
Most orders ship within 2-3 weeks. Contact our team for expedited options.
How do I request a custom NEMA 3R enclosure?
Simply send us your specifications (drawings, dimensions, cutouts, environment details), and we’ll prepare a quote and design proposal.
Can I include my company branding or color?
Yes. We offer custom powder coating and screen printing or laser etching for logos and labeling.