LEM is the world's leading manufacturer of power sensors, but also a leader in the field of power sensors.
LEM
      As early as 1972, LEM company was established in Geneva, Switzerland, focusing on the development and production of the current sensor based on Hall effect and current sensors on the first streetcar for Switzerland. As the company grows, LEM Group, Switzerland Stock Exchange in 1986 and was awarded the 2nd prize at Geneva Industrial Merit.