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VACUUM CIRCUIT BREAKER PANEL

In “Transind” vacuum circuit breaker, the fixed and moving contacts are enclosed in a permanently sealed vacuum interrupter. The arc is extinct as the contacts are separated in high vacuum. It is mainly used for medium voltage ranging from 11 kV to 33 kV.

The vacuum circuit breaker has mainly two phenomenal properties.

  • High insulating strength: In comparison to various other insulating media used in circuit breaker vacuum is the superior dielectric medium.
  • When an arc is opened by moving apart the contacts in a vacuum, an interruption occurs at the first current zero.
  • With the arc interruption, their dielectric strength increases up to a rate of thousand times as compared to other breakers.
  • It provides safe and reliable medium-voltage power distribution and stands out for its long service life.
  • It breaks all currents in the range of its ratings, from small inductive and capacitive load currents to high short-circuit currents.
  • To standard applications in medium-voltage power distribution, our portfolio also covers applications for specific requirements in the distribution transformer.

Type tests as specified in IEC 62271-100 are performed.

Advantages
  • Vacuum circuit breaker does not require any additional filling of oil or gas. They do not need periodic refilling.
  • Rapid recovery of high dielectric strength on current interruptions within a half cycle or less. Arcing occurs after proper contact separation.
  • Breaker unit is compact and self-contained. It can be installed in any required orientation.
  • Because of the above reasons together with the economic advantage offered, vacuum circuit breaker has high acceptance.

We are providing vacuum circuit breaker with metering and without metering suitable for indoor as well as outdoor installations.

LOAD BREAKER SWITCH PANEL

Air insulated switch disconnections are suitable for cable sectionalizing, transformer and motor circuit switching, in secondary distribution substations for supply lines, transformers and ring networks. The disconnections can be combined with DIN standard fuses for transformer protection. It is suitable to switch voltages from 1000 volts to 33 kilo volts.

  • LBS are a replacement for 2 pole structure.
  • LBS also provide protection to the transformer, which 2 pole structure can’t.
Key features
  • Wide operating temperature range.
  • High number of breaking operations at rated current value.
  • Compact dimensions for panel and CSS applications.
  • Earthing switch with making capacity.
  • Reliable position indication.
  • Capability for application with frequent switching requirements.
  • Ability to close at high short circuit currents in coordination with current limiting fuses.
  • Work in horizontal and vertical positions.
  • Cost efficient solution for transformer protection.
  • Smart grid ready.
Advantages of Load Break Switch
  • Cheaper compared to 2 pole structure.
  • Very easy to switch On & Off the supply.
  • Protection provided for transformer (HRC fuses are provided for protection purpose).
  • Safer.