SED International A.S. is a Turkey-based manufacturer specializing in advanced power electronics and energy management systems. Founded in 1990 and headquartered in Istanbul, the company focuses on the design, development and production of power conversion and uninterruptible power supply (UPS) solutions for demanding industrial and defense applications. With a vertically integrated manufacturing approach, SED International oversees the entire product lifecycle from initial concept and engineering through to final assembly and testing.
The company’s product portfolio encompasses static and rotary UPS units, DC power systems, frequency converters, battery chargers, and customized power solutions. SED International combines modular hardware architectures with proprietary control software to deliver high-reliability systems capable of operating under extreme environmental and electromagnetic conditions. These solutions are deployed in sectors such as telecommunications, critical infrastructure, industrial automation, marine, and homeland security.
Serving customers in Europe, the Middle East, North Africa and select global markets, SED International maintains strategic partnerships with integrators and system operators to support after-sales service, maintenance and upgrades. Through ongoing investment in research and development, the company aims to enhance its product resilience, efficiency and digital monitoring capabilities, reinforcing its position as a specialized provider of mission-critical power systems.
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