Quality Switch, a third-generation family-owned company rooted in Warren, Ohio, manufactures custom and standard de-energized tap changers and electrical switches for transformer manufacturers and other power-control applications. Founded as a standalone business in 1974 after its founder began making switches in his machine shop in the 1950s, the Newton Falls company combines switch engineering with in-house design verification. Its Horace H. Sewell High Voltage Testing & Research Center, opened in 2016, supports development and testing at voltages up to 1.2 million volts.
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