It is used in 3.6,7.2~~12KV three-phase AC 50HZ system for receiving and distributing electric energy, especially suitable for frequent operation occasions. Its bus system is single bus (and can derive a single bus with bypass and double bus structure). The switch cabinet meets the requirements of the national standard GB3906-91 "3~~35KV AC metal-enclosed switchgear" and the national standard IEC298, and has the locking function of the "five preventions" proposed by the two departments. The main switch of this switchgear adopts ZN28-12, VS1 series vacuum circuit breakers, equipped with CD17 series electromagnetic operating mechanism or CT19 series spring operating mechanism, and the isolation switch adopts GN30-12 rotary isolation switch and GN22-12 large current isolation. Switch series products.

Zibo Jinlong Electric Power Equipment Co., Ltd. mainly produces: high and low voltage electrical equipment, vacuum circuit breakers, high voltage isolation switches, solid vacuum ring network cabinets, modular wind and solar power systems, box substations, wind power photovoltaic power generation projects, clean energy Conversion systems and other products, products have passed the 3C certification and the type test report of the national laboratory, the company passed the ISO9001 quality management system certification, ISO14001 environmental management system certification, OHSAS18001 occupational health and safety management system certification. It is a network enterprise of the State Grid Corporation of China, Huadian Group (Group supplier), Datang Group, Huaneng Group, Shenhua Group and other large enterprises. It has established a complete sales system and marketing network throughout the country and can provide better quality for customers service.

As a state-level high-tech enterprise, Jinlong has an independent research and development system and a strong scientific research team. The Chinese Academy of Engineering Academician Zhang Yongchuan has built a academician workstation and is the transformation center of Huazhong University of Science and Technology. The company’s technical center and engineering laboratory have been identified as Shandong respectively. Provincial High Voltage Switchgear Engineering Laboratory, Zibo High Voltage Switchgear Solid Insulation Engineering Technology Research Center, Zibo City Enterprise Technology Center, Zibo High Voltage Electrical Equipment Engineering Laboratory, and Zibo Shenhua Electrical Technology Co., Ltd., etc. Established Zibo High-end Electric Equipment Industry Technology Innovation Strategic Alliance. The Clean Energy Application Center and Shenyang University of Technology have jointly built a new energy education and training base, established a school-enterprise joint technical research center, and established a strategic cooperative relationship with China Architecture Design Institute.