Rir Power Electronics Limited engages in the manufacture and sale of power semiconductor devices and high-power equipment in India. It offers semiconductor devices, including phase control and inverter grade thyristors, standard and fast recovery diodes, power modules, high voltage modules, diode bridge rectifiers, pulse DC rectifiers, soft starters, diode bridge modules, and IGBT modules; and power rectifiers, AC voltage rectifiers, battery chargers, rectifier panels, control cards, and power stacks and assemblies. The company's products are used in various industrial applications, such as electricity, power generation, railways, automobiles, engineering, aviation, welding equipment, defense oil and gas, induction furnace, water treatment, and metals sectors. It also exports its products. The company was formerly known as Ruttonsha International Rectifier Ltd. and changed its name to Rir Power Electronics Limited in November 2022. Rir Power Electronics Limited was incorporated in 1969 and is based in Mumbai, India.