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Switch & Isolator

VERTICAL BREAK DISCONNECTOR

The vertical-break disconnector consists of one arm which, by moving on the plane of the insulators supporting it, closes the circuit on a fixed contact located on the side insulator. Since the movement of the arm takes place on the same plane as that of the insulators, the phase-to-phase spacing is minimized. The model is ESB, where the arm is operated by a driving insulator directly connected to it, which moves on the same plane as that of the two post insulators.

Power Transformer
  • Rated voltage – 12 to 36 kV
  • Rated continuous current – up to 4000 A
  • Rated Short time Withstand Current up to 40 kA for 3 seconds
  • Manual operation
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CENTER BREAK DISCONNECTOR

The center-break disconnector consists of two arms which, by moving in a coordinated way on a plane which is perpendicular to that of the insulators supporting them, close the circuit at a point which is located approximately mid-way. This is the most commonly used type of disconnector in the world, thanks to the simplicity of its design, which makes it particularly cheap.

Power Transformer
  • Rated voltage – 12 to 245 kV
  • Rated continuous current – up to 6000 A
  • Rated Short time Withstand Current up to 63 kA for 3 seconds
  • Manual operation and motorized operation.
Technical Specifications For
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DOUBLE BREAK DISCONNECTOR

The double-break disconnector consists of one arm which is moved by the central insulator supporting it and closes the circuit on two fixed contacts, each of them placed on one of the two side insulators. There is direct entry banging type and the other one arm, upon completing its movement perpendicularly to the plane of the insulators, rotates around its own longitudinal axis leading to complete engagement and locking of the moving contacts into the fixed ones

Power Transformer
  • Rated voltage – 12 to 245 kV
  • Rated continuous current – up to 6000 A
  • Rated Short time Withstand Current up to 63 kA for 3 seconds
  • Manual operation and motorized operation.
Technical Specifications For
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SWITCHES

The line switcher has been specifically designed to switch transformers and, more generally, loads like lines and cables, in a cheap and reliable manner. It is a switch-disconnector combining the features of the Disconnector with arc chamber extinguish chamber. The interrupting chamber is operated by the arm of the disconnector, which prevents the risk of performing erroneous operation sequences.

Power Transformer
  • Rated voltage – 12 to 245 kV
  • Rated continuous current – up to 6000 A
  • Rated Short time Withstand Current up to 63 kA for 3 seconds
  • Manual operation and motorized operation.
Technical Specifications For
Send query Downlad Details