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Medium And High Voltage Circuit Breakers

Sel Electric

max. 630 A, 12 - 125 kV | TCB series

Article: 00083839

Vacuum circuit breaker / medium-voltage

These are the vacuum medium voltage circuit breakers made for indoor installation. These TCB series circuit breakers are sealed for life pressure systems (IEC 62271-100 and CEI 71-1 Standards, EN 62271-100). They are developed by using the separate pole technique. Each of these poles have a vacuum interrupter inside it which is incorporated in the resin itself because of a special production process. This special technique enables assured protection of the vacuum interrupter from dust, dirt, condensation. It also guarantees the lightning impulse withstand also on the external surface of the vacuum interrupter. The transmission is gained by a mechanical central bar which enables it to transform the circuit breaker in various executions with ease.
It has various advantages such as :
Long and sturdy mechanical life. It requires low maintenance. It is eco friendly and emits no toxic or greenhouse gases. It has an increased Accumulated Amp Performances. The arcing time is short so that the contacts are not damaged much. It has a short opening time and quick Recovery of Insulating capacity in case . . .

Specifications

  • Type: vacuum
  • Electrical characteristics: medium-voltage

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