High voltage vacuum contactors are critical elements of modern electrical components, especially for electrical systems in applications driven by efficiency and reliability. These devices are more effective than traditional contactors, as they use vacuum technology to extinguish arcing created by opening and closing contacts. Located in China and with more than 30 years range, Zhejiang Greenpower Electric Co. designed innovative vacuum contactors for the exigencies of the world electricity grid and tailored contactors adaptable for the world electricity grid. Our extensive R&D designed innovative vacuum to the exigencies and world electricity grid designed innovative vacuum contactors for our extensive R&D.