Seondo Electric Co., Ltd., founded in 1972 and based in Ansan, South Korea, specializes in the production and distribution of heavy-duty electrical apparatus. The company's extensive product line encompasses a broad range of equipment for power transmission and distribution. This includes various gas-insulated switchgears, vacuum circuit breakers, comprehensive switchgear systems, and motor control centers. They also supply specialized components such as transmission line protection relay panels, pole-mounted gas switches, and gas load breaker switches. Beyond core power equipment, Seondo Electric offers advanced monitoring and control systems, featuring substation total automation solutions, remote terminal units, distributed control systems, and supervisory control and data acquisition (SCADA) platforms. Their inventory further includes circuit breakers and contactors, like earth leakage circuit breakers, magnetic contactors, and home panel boards, as well as reject filters and ignition transformers for diverse applications. The company also develops environmentally conscious products, such as diesel soot smoke reducers, electric dust collectors, high voltage units, ion generators, and plasma agricultural chemical spray equipment. Additional offerings extend to metal-clad switchgears, instrumentation boards, bus and transmission line protection panels, vacuum combination starters, air circuit breakers, solar heat hot water systems, and various magnetic switches and thermal overload relays. Seondo Electric also undertakes electrical installation and maintenance services. Their sophisticated products are critical for various sectors, including electricity transmission and supply, atomic energy power plants, hydro and thermal power generation facilities, and a multitude of other industrial plants. The company caters to a global client base across South Korea, the Middle East, the Americas, and Southeast Asia. Originally established as Seondo Co., Ltd., the company rebranded to Seondo Electric Co., Ltd. in May 1987.