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High-voltage circuit-breakers buy in Chişinău
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High-voltage circuit-breakers

High-voltage circuit-breakers

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Moldova, Chişinău
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The VNA switch (or the loading switch) is intended for switching under loading of chains of three-phase current with a frequency of 50 Hz with a voltage of 6 or 10 kV in cases of the complete distributing devices (CDD), the complete transformer substations (CTS) and in chambers of service (KSO).

Design features and advantages

The switch of loading is manufactured in the following executions:
  • without knife of grounding and without safety locks
  • with one grounding knife without safety locks
  • with two grounding knives
  • with one grounding knife with safety locks
  • with two grounding knives with safety locks

  • The switch of loading provides twofold inclusion of inclusion current, rated for it, on short circuit without damages interfering its further work in the normal and operational mode.

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