One week after contact signing and technical confirmation
Indoor Single-phase Single-Pole Vacuum Circuit Breaker for Railway Electrification
V-SR Indoor Single-phase Single-Pole Vacuum Circuit Breaker for Railway Electrification
VSR single-pole vacuum circuit breaker for railway electrification is indoor switchgear component using air as insulating medium. It is suitable for single-phase 50Hz electrified railway power supply system for such purposes as electric energy receiving and distribution, circuit control and protection.
VSR single-pole vacuum circuit breaker for railway electrification features simple structure, powerful breaking capacity, complete operating functions and easy maintenance, without any explosion risk. It can be used for reclosure operation, and particularly applicable for conditions requiring important load breaking and frequent operations due to its extremely high operation reliability and long service life.
Maximum operating voltage
Rated insulation level
Lighting impluse withstand voltage
phase to earth between contacts:185kV
Power frequency withstand Voltage (1min)
phase to earth between contacts:95kV
630 1250 2500A
Rated short-circuit breaking current
Rated short-circuit closing current (peak)
Rated peak withstand current
Rated short-circuit withstand time
Rated capacitive banks breaking current
Rated capacitive closing current
Rated short-circuit breaking times
We have been officially certified for ISO 9001:2008(Quality management system),ISO14001:2004(Environment Management system) and OHSAS(Occupational health and safety management system)
We have passed 16 type tests by China National High Voltage Apparatus Quality Supervision Testing Center For MV products.
As cooperative manufacturer of ABB,we always are closed to the international latest technology
As a pre-IPO enterprise ,we are proud of the honors and awards by governments and association of different levels,such as "Famous Trademark of Fujian China","Model Innovation Enterprise ","China's Top 100 Fast-growing Technology-based SME","User satisfaction enterprise/product of Fujian Province" and so on.
Certificate of Credit AAA issued by China bank,gurantee your payment safty
Over 100 First-class engineers and researchers dedicated in the product and service innovation
Experienced sales and logistic team to operate the transaction and shippment smoothly
Skilled workers and advanced manufacturing equipment gurantee the production and quality well
Professional QC team to gurantee the terminal quality
Good after-sales service to settle any question and problem from our customer and give prompt reply and solution scheme
China State Grid
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...and so on
OEM and ODM is welcomed.New fty located in Xiamen Torch Hi-tech Industrial Development Zone(Xiang'an).It covers an area of 19,980 square meter and building area is more than 4 square meter.The company has well-equipped industrial facilities.
Welcome to our fty.
XIAMEN MINGHAN ELECTRIC CO., LTD is a manufacturer of MV and LV switchgears, key components as well as a variety of power automation devices, systems and solutions for power distribution and substation systems. MINGHAN has also been an ABB cooperative manufacturer ever since 2004. The company specializes in power engineering technologies and power automation solutions. We also provide OEM products under customers' brand names, act as an agent sourcing in China for switchgear key & secondary ... View detail