Widap

Widap AG is a Swiss manufacturer and distributor of power resistors and load banks, with expertise in industrial and railway sector applications. The company combines technical know-how with extensive manufacturing depth and a strong customer focus. Widap AG specializes in resistance technology, load banks, railway technology, grid quality, energy management, and power distribution technology. It operates multiple specialized branches in Switzerland, including Diessenhofen for energy distribution and Hirschthal for grid quality. Internationally, Widap AG includes SIR Srl (Italy) for power resistors and ICEL Srl (Italy) for film capacitors, alongside widap electronic components GmbH & Co. KG (Germany) for technical sales and distribution across Europe. The company offers individual engineering and small series production in Switzerland, medium series in the EU, and large series with Asian manufacturing partners, delivering high-quality, technically excellent, and cost-efficient solutions worldwide.