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Vacuum Circuit Breakers: Features, Applications, and Specifications

 A vacuum circuit breaker panel is an electrical device manufactured by some of the leading VCB panel suppliers in India. These are the devices that take care of the amount of electricity that travels across a wiring framework. VCB panels are a part and parcel of any electrical system making sure that the entire facility is working effectively and efficiently.

 

VCB: an ideal solution for medium voltage applications

 

VCB technology is considered to be an ideal solution for all types of medium voltage applications. Those interested in using this technology can use it for the higher voltage range also but commercially it is not viable. The materials used for electricity carrying contacts in this system play a significant role as the overall performance of a vacuum circuit breaker panel depends upon them. 

 

Vacuum Circuit Breakers need less maintenance

 

The engineers’ community around the globe makes use of CuCr to make VCB contacts. However, things are still evolving and they are in the development phase and the engineers are working hard on them to make things better in the field of safe and sound electricity transmission. VCB or Vacuum Circuit Breaker is the most renowned technology today and it requires less maintenance.

 

The major range of products available includes the following: 

 

  • Vacuum Circuit Breakers (Indoor)
  • Draw out Unit
  • Vacuum Circuit Breakers (Outdoor)
  • Vacuum Contactor (Indoor)
  • Retrofit (Indoor Mocb Panel)
  • Ring Main Unit

 

Applications and functionalities 

 

Medium voltage circuit breakers find applications in large-sized buildings and facilities and can withstand a voltage range from 1000 to 72000 volts. 

 

They are installed mainly on the roofs in the switch boxes enclosed inside cabinets. A vacuum circuit breaker panel manufactured by some of the leading VCB panel suppliers in India works by maintaining a power arch inside a vacuum. It simply means that the air is sent back to the breaker when it is tripped that in turn stops the arc. The operations of the panels are very easy and a single person can do the needful with a little initial training. 

 

Specifications of 11 KV VCB Panel include the following:

 

  • Application - Control & Protection of Trf. Power, Capacitor, Motor
  • Reference Standard - IEC 62271-200:2003/ IS:3427:1997
  • Operational Voltage- 12KV
  • Operational Current - 630,800,1250,1600,2000, 2500, 3150 A
  • Phase/Frequency- 3 Phase/ 50 Hz
  • Insulation Level - 28 KV rms/ 75 KV Peak
  • Short Time Rating - 20/26.3/31.5/44 KA
  • Peak Withstand Current - 50/66/80/110 KA Peak
  • Degree of Protection - IP-54 ( Indoor) / IP-55 (Outdoor)
  • Internal Compartment - IP-2X
  • Temp. Rise - 40°C Over Ambient 45°C
  • Relative Humidity - 95%
  • Special Test - Internal arc tested at 10KA for 0.1Sec

  

Concluding Remarks

 

Manufacturing and supplying high-quality vacuum circuit breaker panels for customers across the globe, Tricolite is one of the leading VCB panel suppliers in India. The company dedicates itself to Total Quality with a pledge to obtain excellence in product, process, and service. Every product made and supplied by the company undergoes four stringent phases of manufacturing, each of which has uncompromising quality checks in place.