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Surge arrester POLIM-H..SD

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Silicone-housed surge arrester for DC traction system up to 3 kV with class DC-B

POLIM-H..SD is a surge arrester with metal-oxide (MO) resistors without spark gaps directly molded in silicone housing, grey color, designed and tested according to EN 50526-1.

It is used for secure protection of DC traction systems against overvoltages from atmospheric discharges and switching conditions.

The arresters also meet the requirements for A1/A2 functions according to the VDV 525 recommendation.

 

Why ABB?

  • Over 75 years of experience in overvoltage protection and more than 25 years with silicone insulation
  • Local and global ABB application support
  • Proven safe short-circuit design
  • Design life of more than 30 years
  • Own production of ZnO blocks metal-oxide (MO) resistors
  • High energy withstand handling capability
  • Long term stable under system conditions
  • Mechanically strong design
  • UV resistant  silicone housing with excellent pollution performance
  • Maintenance free
  • Stable against shock and vibration

Specificatii Tehnice

Disponibilitate N/A
Livrare N/A
Fisa tehnica N/A

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