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V-SR Indoor Single-phase Single-Pole Vacuum Circuit Breaker for Railway Electrification

FOB Price: Get Latest Price
Min.Order Quantity: 1 Unit/Units
Supply Ability: 50 Unit/Units per Month
Port: Xiamen Port
Payment Terms: T/T
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Quick Details

Place of Origin: Fujian China (Mainland) Brand Name: Minghan Model Number: VSR
Type: Vacuum Poles Number: 1

Packaging & Delivery

Packaging Detail: Wooden cases
Delivery Detail: One week after contact signing and technical confirmation


Indoor Single-phase Single-Pole Vacuum Circuit Breaker for Railway Electrification
For railway


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.

1.Technical Parameters:


Maximum operating voltage31.5kV 
Rated insulation levelLighting impluse withstand voltagephase to earth between contacts:185kV
Power frequency withstand Voltage (1min)phase to earth between contacts:95kV
Rated frequency50 60HZ 
Rated current630 1250 2500A 
Rated short-circuit breaking current25 31.5kA 
Rated short-circuit closing current (peak) 63 80kA 
Rated peak withstand current63 80kA 
Rated short-circuit withstand time4S 
Capacitive loadRated capacitive banks breaking current400 630A
Rated capacitive closing current8kA (frequency≤1000HZ)
Rated short-circuit breaking times30 
Mechanical life1000 










4.Our Advantage

  • 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

6.Major Project/Customer


  • China State Grid
  • Petro China
  • Sinopec
  • China Mobile
  • China Telecom
  • Dell China
  • ABB China
  • Linde Gas China
  • Costa Rica National Stadium
  • Ecuador Power Project
  • Macau Power Project
  • Fujian Kemen Power Plant
  • Fujian Fuqing Nuclear Power Generation Station
  • Fujian Motor Way
  • Xiamen Xiang'an Submarine Tunnel

...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.

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XIAMEN MINGHAN ELECTRIC CO., LTD is committed to provide reliable, low carbon and environmental solutions for MV & LV smart distribution systems. 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 primary & secondary components, and provide turnkey service for electromechanical projects. MINGHAN is becoming one of the best companies in the electrical ... View detail

Basic Information

Product/Service (We Sell): MV Switchgear,LV Switchgear,MV Vacuum Circuit Breaker,Power Automation Device  
Brands: InterSCADA,Sub-View,Aoto,ZS8.x  
Number of Employees: 301 - 500 People  

Trade & Market

Main Markets: South Asia
Southern Europe
Central America
Eastern Asia
Mid East
Southeast Asia
South America
North America
Total Annual Sales Volume: Above US$100 Million  
Export Percentage: 1% - 10%  

Factory Information

Factory Size (Sq.meters): 10,000-30,000 square meters  
Factory Location: Minghan Industrial Park,No.9 Hongxi Road,Xiamen Torch Hi-tech Industrial Development Zone(Xiang'an),Xiamen,Fujian,361101,China  
Number of Production Lines: 3  
Number of R&D Staff: Above 50 People  
Number of QC Staff: 31 - 40 People  
Management Certification: ISO9001   ISO14001   OHSAS18001  
Contract Manufacturing: OEM Service Offered   Design Service Offered   Buyer Label Offered  

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Verified Supplier - Xiamen Minghan Electric Co., Ltd.
China (Mainland) | Manufacturer, Trading Company | Contact Details
Experience: Established 2004

Communicate with Supplier:

Ms. Candy Choi
Ms. Candy Choi:
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