VCBs, or vacuum type circuit breakers, play a critical role in protection and control of modern electrical systems in the medium and low voltages around the world. Safety and reliability in these systems are substantially improved due to the vacuum technology employed in these breakers which makes arc extinguishing more effective. Zhejiang Greenpower Electric Co., Ltd., manufactures VCBs to serve the varying requirements and to ensure adherence to international standards in quality. Our products are the result of the relentless work by the R&D team, and we have consistently demonstrated our ability to exceed expectations in the quality and durability of performance of our products.