Profile: HVB AE Power Systems, Inc. manufactures substation equipment. Our products include circuit breakers, gas insulated switchgears, generator main breakers and transformers. The non-sulfur hexafloride (non-SF6) vacuum circuit breakers have a cast aluminum tank design and porcelain or composite bushings. They are either spring or spring gang operated. The sulfur hexafloride (SF6) gas insulated metal clad switchgear features synchronized axial blast interrupters, double trip coils, spring & hydraulic mechanisms and motor operated disconnect switches.