12kv, 630A1250A Vacuum Interrupter For Outdoor Vacuum Circuit Breaker

 MAIN TECHNICAL DATA   Rated voltage                                                                                           12KV Rated current                                                                                            630A /1250A Rated frequency                                                                                       50Hz Rated short-time power frequency withstand voltage                       42KV Rated lightring impulse withstand voltage voltage                            75KV Rated short-circuit breaking current                                                      20/25KV Rated shor-circuit making current                                                          50/63K  Rated operations of short-circuit breaking current interruption        30 times Rated single capacitor bank breaking current                                     400A Rated short-time withstand current                                                       20/25KV Rated peak withstand current                                                                 50/63KV Rated duration of short-circuit                                                                 4S Mechanical life                                                                                           20000times Contact closing force due to bellows and atmospere                       80±40N  Counterforce at rated contact force                                                      120±50N Circuit resistance at rated contact atmosphere force                       ≤20μΩ Shelf life                                                                                                     20Years Contact erosion limit                                                                               3mm Weight of moving parts                                                                           ≤1.3kg   Wuhan Feite Electric Co., Ltd. is a hi-tech enterprise specialized in producing vacuum interrupter,vacuum circuit   breaker,vacuum contactor and load break switch. Our company has a group of experts and technicians who have been   specialized in producing vacuum interrupters for more than thirty years, and enjoys the tax preferential policy as a hi-tech  enterprise. Products and technology of our company Our company has developed 1.14kv-40.5kv vacuum switch tubes of  more than 100 types, which can be widely used for various vacuum circuit breakers, contactors and load break switches. As  an ISO9001:2000 certified company, our production process strictly conforms to quality management system. Since the  company has successfully developed ZN-28A-12, ZN23 -40.5 series of a vacuum circuit breaker, we engaged in development   and produce 40. 5kv or lower voltage vacuum circuit breakers, vacuum contactor.