DC, DCB, DCWE, DCWEB enclosures with a depth of 320 mm due to their versatility, are widely used in industry, energy and telecommunications. Made of insulating, slow-burning and self-extinguishing composite (polyester + fiberglass), they are resistant to atmospheric agents. This manual contains notices you have to observe in order to ensure your personal safety, as well as to prevent damage to property. The notices referring to your personal safety are highlighted in the manual by a safety alert symbol, notices referring only to property damage have no safety alert. Welcome to the Principle Cabinet Design training module for the DCS800, ABB DC Drives. If you need help navigating this module, please click the Help button in the top right-hand corner. The efficiency of. Our DC Series is the Data Center Standard for high-capacity, high-weight load rated, feature rich cabinets. Enclosures and. The column head cabinet is a cabinet used to allocate and manage one or more columns of cabinets in the same computer room, and has protection functions. Whether housing critical network switches, servers, patching environments or a combination of active and passive equipment.