Rely on nVent HOFFMAN’s Extreme Environments portfolio of enclosures and air conditioners—among the industry’s highest rated against water and particulate ingress. Certified to UL Type 4X, IEC IP66, IP69, and IP69K, these solutions ensure durable, reliable protection of critical equipment and system components operating under the most demanding conditions—wherever your applications require them. Spend less time and money on maintenance, and benefit from longer system uptime.
Features & Benefits
- Engineered for Harsh Environments: Withstands corrosives, excessive moisture, humidity, rain, and wide temperature swings.
- Superior Construction: Premium adhesive-free gasketing with a robust, welded, and ground stainless steel design ensures maximum reliability for both enclosures and air conditioning units.
- Industry Versatility: Perfect for water, wastewater, oil & gas, coastal/offshore, petrochemical, pharmaceutical, mining, and other extreme environments.
- Reliable Performance: Designed inside and out for exceptional durability and consistent protection.
- Rapid Availability: Multiple standard configurations help ensure faster delivery compared to custom or highly modified options.
Extreme Environments Enclosure
The Extreme Environments Enclosure offers maximum durability and flexibility for harsh conditions, with a padlocking handle, lift-off lockable door, and options in 304 stainless steel or white-painted finish. Its removable, replaceable EPDM gasket is UL Listed and interchangeable within enclosure sizes. For simple upgrades, it shares the same back panel as A4SW3 for easy performance improvements.
- Continuously welded and ground-smooth seams provide robust durability.
- EPDM gasket is rated for temperatures from -50°C to 120°C.
- Single-point latching on models under 24 inches; three-point latching on models 24 inches and above.
- Easily removable door via set screws for streamlined access.
- High-impact thermoplastic data pocket for added convenience.*
- Collar studs included for optional panel mounting.
- Exterior hardware constructed of corrosion-resistant 316 stainless steel.
- Bonding provision on the door and a grounding stud on the enclosure body.
Extreme Environments Air Conditioner
This compact air conditioner is designed for smaller-depth enclosures and harsh environments. It features an energy-efficient rotary compressor, smart controller, and a 10-degree sloped top to prevent water, dust, and bacteria buildup. The FDA-approved gasket ensures a watertight seal, while louver-free surfaces allow easy washdown. A cutout adapter enables simple retrofits, and a reusable mesh filter protects the coils. UL Listed, each unit includes mounting hardware, gaskets, and a user manual.
- Active condensate management with heater strip
- Door switch power-off
- Malfunction switch
- Corrosion-resistant condenser coating
- Compressor heater and head pressure control
- Broad operating temperature range (-40°F to 131°F)
- Manifold set (1 supply, 1 return, 4 mounting brackets with hardware)
nVent HOFFMAN Enclosure Support
Bret Bevers – Hoffman Enclosure Specialist
Your dedicated resource for product selection, technical guidance, design support, and custom enclosure solutions.
Phone: 847-956-3153
Email: [email protected]
For general inquiries about the nVent HOFFMAN Extreme Environments Enclosure & AC, call 1-800-STEINER (783-4637)
You may also submit the form below for more information.