777 electrical 12kV series vacuum arc extinguishing chamber adopts ceramic insulating shell, 630a20ka vacuum circuit breaker, intermediate seal or built-in fixed shielding tube, and copper chromium alloy contact material. The structural design of cup-shaped longitudinal magnetic electrode is optimized to make the electromagnetic field distribution uniform and reasonable, and improve the stability of breaking capacity. 777 electrical special complex process improves the insulation level of the product.
Read MoreSend InquiryWe are a factory specializing in the production of outdoor 1250A 12kV vacuum interrupters. The vacuum interrupters customized by 777 Electrical Technology Co., Ltd. have long service life, energy saving, material saving, fire prevention, explosion-proof, small volume, long service life, low maintenance cost, reliable operation and no pollution. We look forward to becoming your long-term partner in China.
Read MoreSend InquiryWe are a factory specializing in the production of 1250A Standard Vacuum Interrupter,The current of vacuum interrupter can be 400A, 630A, 1250A, 2000a, 2500A, 3150A, or even 4000A. It can be applied to the rated voltage of 12kV, 24kV or 36kV. The size of vacuum interrupter is flexible and can be customized for different application fields.We look forward to becoming your long-term partner in China.
Read MoreSend InquiryWe are a factory specializing in the production of 1250A 15.5KV Vacuum interrupter for circuit breakerr,Insulating shell, ceramic has the best comprehensive performance. The insulation shell mainly plays the role of insulation support and participates in the formation of air tight insulation system.We look forward to becoming your long-term partner in China.
Read MoreSend InquiryWe are a factory specializing in the production of 24KV Ceramic Vacuum Interrupter ,As an ISO9001:2000 certified manufacturer, 777 Electric brand has developed more than 100 kinds of Vacuum Interrupters with rated voltage of 1.14kv-40.5kv.We look forward to becoming your long-term partner in China.
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