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Founded in 1995, Riotrafo has been providing innovative solutions in the Electricity Distribution transformers segment in voltage class 15 kV, 25kV and 36,2 kV. Our main purpose is to manufacture de-energized (or off-load) tap changers or also called switches for transformers.

We are located in São Jose do Rio Pardo, State of São Paulo, Brazil. Our town is about 300 kilometers from São Paulo city.

Riotrafo is committed to offering the very best external or internal operated de-energized linear and rotary tap changers. Constant innovation ensures that we contribute to the technical improvement of the transformer industry and the power sector.

Welcome to Riotrafo website and discover all our differences.

Mission, vision and values:

Mission: Develop, produce and deliver cutting edge high-quality tap changers, providing security and confidence for power distribution transformer manufacturers.

Vision: Being among the global market leaders and being a reference for excellence in tap changers.

Values: Customer focus, dedication, commitment, perseverance and valuing people.