Founded in 1945 to manufacture regulators for motor-generator sets, Electric Regulator Corporation ( ERC ) transformed the motor drive industry in 1959 with its introduction of the SCR Thyristor DC drive. With advances in technology, ERC has continued to fulfill our customers' needs by introducing a comprehensive line of IGBT variable frequency AC drives and a variety of other advancements. All of our products offer premium performance at competitive prices. We stock a full selection of AC and DC drives and accessory components.Call us to discuss your most difficult application. We're ready to respond. ERC is committed to being your full service partner.