Ema Electromechanics is the designer and manufacturer of model VDH/GSMI combined 34.5 kV vacuum circuit breaker and high speed, mechanically interlocked grounding switch (aka “grounding breaker”), a unique and patented system specifically designed for switching and grounding of wind and solar feeder circuits. Ema Electromechanics also manufactures model VDH conventional 34.5 kV vacuum substation circuit breakers for general applications such as Utility and Industrial.