Hitachi T&D Solutions, Inc., formerly Hitachi HVB, Inc., has been providing high quality electrical transmission and distribution equipment to its customers since 1977. We are a premier global manufacturer of high voltage circuit breakers, gas-insulated switchgear, power transformers, and generator circuit breakers. Additionally, we have a vertically integrated field services, parts, maintenance, installation and commissioning organization and can also provide monitoring systems for these substation products. Our popular 72.5 kV vacuum circuit breaker uses dry air as an insulating medium and eliminates the use of SF-6 gas. It is the first environmentally friendly, high-voltage circuit breaker available. Hitachi T&D Solutions, Inc. is a proud member of the Hitachi Group.