![]() ![]() They have developed a rating system which determines the types of environments an electrical enclosure can be used in. NEMA stands for National Electrical Manufacturer Association. One of the most important things to consider when selecting an electrical enclosure is the NEMA rating. Enclosures are typically made of solid plastics, fiberglass and metal materials, such as carbon steel, stainless steel and aluminum. Their main function is to protect the components, as well as to protect the operators from electrical hazards. They are used with Seismic Panel Support Kits and Seismic Mounting Plate Kits to obtain seismic standards.Įlectrical enclosures are cabinets that are designed to house electrical components. The panels have EIA 310 specified square-holes and larger openings to allow cables to pass through the panels. Hoffman Seismic Rack Panels are used when converting a standard free-standing rack enclosure to a seismic free-standing enclosure. The adjustable-depth racks support heavier network equipment and can be ganged with standard 2-post or other 4-post racks to expand existing systems. ![]() They combine the mounting security of a cabinet with the accessibility of a rack. Hoffman Seismic 4-Post Open Frame Racks are used in network, server and telecommunication room applications that are subject to seismic activity or vibrations. They are ideal for protecting communications and networking equipment from liquid, corrosion and seismic events. Hoffman Seismic Free-Standing Dual-Access Cabinets are available in Types 3R, 4, 4X and 12 stainless steel unibody construction. They are also ideal for areas with high load capacities and high vibration. Hoffman Seismic Cabinets protect WAN and LAN network equipment and servers during Zone 4 seismic activity. Open frame racks do not have sides or doors and are generally used for applications that don’t need to control airflow or provide security. These racks are usually smaller and can’t support as much weight as rack enclosures. Wall-mount racks can be attached to the wall to save floor space or rolling casters can be added to create a movable floor-standing rack. These type of enclosures are a popular choice for server rooms and data centers. The removable side panels and front and rear doors are attached to adjustable mounting rails and lock for added security. The enclosures have vented front and rear doors that provides ample airflow. Rack enclosures or rack cabinets are designed for heavy, high wattage equipment that usually runs at hotter temperatures. ![]() Network cabinets and racks are designed to organize and protect IT equipment in an industrial environment. ![]()
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