Tripp Lite SmartRack Industrial Enclosure, NEMA 3R, Wall Mount, Metal, Locking, Hinged Back, Fan With Thermal Switch, 28 in. Depth, 12U, Red

Overview

The Tripp Lite SRN3RR12US is a wall-mounted industrial enclosure designed to securely house 19-inch rack-mount equipment such as network switches, patch panels, and servers. It offers a 12U rack capacity with adjustable mounting rails that support devices up to 28 inches deep. Built from powder-coated steel and rated NEMA 3R, this enclosure protects your equipment from rain, sleet, dust, and other outdoor elements, making it suitable for both indoor and outdoor industrial environments.

Security and temperature management are key aspects of this enclosure. It features a locking door with included keys to prevent unauthorized access, and two top-mounted fans with a thermal switch that activate at 86°F to maintain optimal operating temperatures. The hinged back panel provides convenient rear access for maintenance without removing the entire enclosure, supporting up to 200 pounds of equipment reliably.

Key features

• 12U rack capacity with adjustable rails to accommodate equipment up to 28 inches deep
• NEMA 3R rating ensures protection against rain, sleet, dust, and other harsh outdoor conditions
• Locking door with keys enhances security by restricting unauthorized access
• Built-in fans with thermal switch activate automatically at 86°F to prevent overheating
• Hinged back panel allows easy access to the rear of devices for installation and maintenance
• Durable powder-coated steel construction provides long-lasting resistance to wear and corrosion
• Supports heavy equipment up to 200 pounds, suitable for a wide range of industrial devices
• Includes a 5-year limited warranty for dependable long-term use

Key specs

• Rack capacity: 12U
• Maximum equipment depth: 28 inches
• Enclosure type: Wall mount
• Material: Powder-coated steel
• NEMA rating: 3R (rainproof and dustproof)
• Cooling: Two top-mounted fans with thermal switch activating at 86°F
• Weight capacity: 200 pounds
• Color: Red
• Warranty: 5-year limited

Connectivity and compatibility

This enclosure is designed to fit standard 19-inch rack-mount equipment commonly used in networking and server environments. Its adjustable mounting rails accommodate a variety of devices including switches, patch panels, and servers up to 28 inches deep. The wall-mount design helps save floor space and is ideal for industrial settings where secure, weather-resistant housing is required.

Performance and reliability

The NEMA 3R rating certifies that this enclosure withstands exposure to rain, sleet, and dust, making it reliable for outdoor or harsh indoor environments such as factories and warehouses. The integrated cooling fans with a thermal switch help maintain safe operating temperatures, reducing the risk of equipment failure due to overheating. Its sturdy steel construction and locking door provide both physical protection and security for critical equipment.

Installation and setup

Mounting the enclosure on a wall helps optimize space in crowded or industrial areas. The hinged back panel simplifies installation and maintenance by allowing easy access to the rear of your equipment without removing the entire enclosure. The included keys for the locking door ensure that only authorized personnel can access the interior, supporting secure setups in sensitive environments.

Ideal uses and environments

This enclosure is well suited to industrial and commercial environments where equipment needs protection from weather and dust, such as manufacturing plants, warehouses, and outdoor network installations. It fits well in setups requiring secure, ventilated housing for rack-mount devices and is a strong choice for IT professionals managing equipment in challenging conditions.