Field Power Supplies is a brand category specializing in industrial power solutions, often associated with companies like Advanced Energy (USA) or TDK-Lambda (Japan). These brands provide reliable power conversion products for sectors such as manufacturing, automation, and telecommunications. Their offerings include AC/DC power supplies, DC/DC converters, and modular power systems designed for harsh environments. Key features typically include high efficiency, rugged construction, and compliance with industry standards. Major industrial suppliers like Grainger and Radwell carry these products for maintenance and OEM applications.