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Surge Arrester HE 60MD20 | TE Energy

HE 60 surge arresters is used for the protection of DC rail networks against switching and atmospheric overvoltages.

Qualification testing:

  • Tested to EN50123-5 standard;

  • Insulation withstand tests on the arrester housing;

  • Residual voltage test;

  • Long duration current impulse withstand test;

  • Operating duty tests;

  • Short-circuit tests;

  • Internal partial discharge test;

  • Power frequency voltage versus time.

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