Understanding Hoffman Industrial Enclosures
Industrial enclosures serve as the first line of defense for protecting sensitive electrical and electronic equipment from environmental hazards, physical damage, and unauthorized access. Hoffman, now part of nVent, has been manufacturing high-quality enclosures for over 75 years, establishing itself as one of the most trusted names in industrial electrical protection.
Enclosure Materials and Construction
Hoffman enclosures are available in multiple material options to address specific application requirements. Carbon steel enclosures provide excellent strength and durability at an economical price point, making them ideal for general industrial applications. Stainless steel enclosures offer superior corrosion resistance for food processing, pharmaceutical, and outdoor installations where exposure to moisture, chemicals, or washdown procedures is common.
For environments requiring non-conductive enclosures or maximum corrosion resistance, Hoffman offers fiberglass reinforced polyester (FRP) and polycarbonate options. These non-metallic enclosures are particularly well-suited for chemical processing, water treatment, and applications where electrical isolation is critical.
NEMA Ratings Explained
The National Electrical Manufacturers Association (NEMA) provides standardized ratings that define the level of protection an enclosure provides against environmental conditions. Hoffman enclosures are available in various NEMA ratings:
- NEMA 1 - Indoor use, protection against contact with enclosed equipment
- NEMA 3R - Outdoor use, protection against rain, sleet, and ice
- NEMA 4 - Indoor/outdoor, watertight and dust-tight protection
- NEMA 4X - Same as NEMA 4 plus corrosion resistance
- NEMA 12 - Indoor industrial, dust-tight and drip-tight
- NEMA 13 - Indoor industrial, oil-tight and dust-tight
Enclosure Configuration Options
Hoffman offers enclosures in wall mount, floor standing, and freestanding configurations to accommodate different installation requirements. Wall mount enclosures are ideal for applications where floor space is limited, while floor standing enclosures provide maximum capacity for large control systems. Many Hoffman enclosures feature removable doors, hinged covers, and modular design elements that simplify installation and maintenance.
Why Choose Hoffman Enclosures?
Hoffman enclosures are manufactured to exacting quality standards with features that set them apart from competitors. Precision-formed seams and continuously welded construction ensure environmental integrity. Multiple mounting options, including internal mounting panels and DIN rails, provide flexibility for equipment installation. Oil-resistant gaskets maintain their seal over years of service, and powder coat finishes resist corrosion and abrasion.
As an authorized Hoffman distributor, Gross Automation provides access to the complete product line with expert technical support to help you select the right enclosure for your application. Contact us at (262) 252-1600 for assistance with enclosure selection, custom modifications, or to request a quote.