Premium HVAC outdoor telecom enclosures with NEMA 4/4X ratings for extreme environments. Our temperature-controlled electrical cabinets feature weatherproof, waterproof designs for 19" server racks, fiber distribution & cell tower equipment. With advanced environmental barrier control and durable construction, our climate-controlled cabinets provide protection against heat, dust, water, and environmental. With the most frame styles available in either tubular steel, aluminum, or sheet metal, our cabinets and racks provide an industry-leading standard in load capacities up to 5,000 lbs. With the most extensive array of sizes ranging from 42-52RU, heights of 600mm to 800mm (23. Cabinets are used for storing routers, patch panels, switches and a wide variety of networking equipment and accessories.