Since its founding in 1925, HASEGAWA®︎ has striven to be a company that contributes to the development of society by striving to develop and produce important equipment that contributes to a safe electrical environment, such as ground fault relays, voltage detectors, and phase detectors.

They are a top manufacturer of voltage detectors in JAPAN, and after many years of research into ground fault relays, They have a wide variety of equipment that is used in important places in society.

They have also actively expanded overseas, and the "HASEGAWA" brand is highly regarded as a symbol of safety and reliability.