Overview The Tripp Lite SRN3RR12U is a 12U wall-mount industrial enclosure designed to protect sensitive rack equipment from harsh environmental conditions such as dust, moisture, and temperature fluctuations. Built to meet the NEMA 3R standard, it effectively shields your networking gear, servers, or patch panels from rain, sleet, and snow. With a 23-inch depth and a robust powder-coated steel construction, this enclosure is well suited for demanding settings like factories, warehouses, outdoor kiosks, and construction trailers. Automatic cooling is managed by dual fans that activate at 86°F via a thermal switch, ensuring your equipment stays within safe operating temperatures without unnecessary noise or wear. The lockable front door adds a layer of security, making it suitable for public or semi-public spaces where unauthorized access is a concern. Key features 12U rack capacity with a 23-inch depth to accommodate a wide range of standard rack-mounted devices NEMA 3R rating provides reliable protection against rain, sleet, and snow, keeping equipment dry and operational Lockable front door with included keys to prevent tampering and unauthorized access in shared or public areas Dual fans with a built-in thermal switch that automatically turn on at 86°F to maintain optimal internal temperatures Powder-coated steel housing offers strength and corrosion resistance for long-lasting durability in industrial environments Fully assembled for quick and easy wall mounting, saving installation time and effort Supports up to 200 pounds of equipment, allowing for a mix of heavier servers and lighter networking components Bright red finish enhances visibility for quick identification during maintenance or service calls Key specs Rack capacity: 12U Equipment depth: 23 inches Load capacity: 200 pounds Enclosure rating: NEMA 3R (rainproof, sleet-resistant, snow-resistant) Cooling: Dual fans with thermal switch activation at 86°F Material: Powder-coated steel Mounting type: Wall mount Finish color: Red Warranty: 5-year limited warranty Installation and setup The enclosure arrives fully assembled, ready to be mounted on a wall bracket or strut channel. This design simplifies installation and reduces setup time, allowing you to quickly secure your equipment off the floor. By elevating your rack devices, you minimize the risk of damage from forklifts, accidental kicks, or flooding, making it a practical choice for industrial and commercial environments. Ideal uses and environments This enclosure is a strong choice for protecting rack-mounted equipment in challenging locations such as manufacturing floors, outdoor kiosks, warehouses, and remote buildings. Its weather-resistant design and secure locking mechanism make it well suited for areas exposed to the elements or public access. Whether expanding wireless coverage across a campus or safeguarding critical network infrastructure in a rugged setting, it provides a reliable and organized solution.