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.