Surge arresters
Surge arresters
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  • Class C surge arresters
    Class C surge arrestersClass C surge arresters are second-stage arresters designed to protect the electrical installation against switching overvoltages. They are most often installed in multi-story switchgears or sub-switchboards. They protect against the effects of sudden voltage changes. They complement the protection provided by class B arresters.
    • Size - 1 modular spacing
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      Availability
      ETI-POLAM
      9
      • 1
      1
    • Size - 4 modular spacing
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      Availability
      ETI-POLAM
      41
      • 1
      1
  • Class B+C+D surge arresters
    Class B+C+D surge arrestersClass B+C+D surge arresters - these devices offer three-stage protection against all types of surges. They effectively protect the installation from the main connection to the end sockets. Used in installations requiring the highest level of security. It is a universal and compact protective solution.
    • Number of poles - 1
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      ETI-POLAM
      0
      • 1
      1
    • Number of poles - 4
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      Availability
      ETI-POLAM
      36
      • 1
      1
  • Replacement inserts for surge arresters
    Replacement inserts for surge arrestersThe inserts allow for quick replacement of worn-out protective elements without the need to dismantle the entire limiter. Maintains the effectiveness of surge protection. They are available for various classes and types of arresters. They facilitate service and reduce operating costs.
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  • Surge arresters for LV overhead lines
    Surge arresters for LV overhead linesThese arresters protect low-voltage lines against voltage surges caused by lightning strikes or network disturbances. They are installed on poles or connections to buildings. They prevent damage to the electrical installation and receiving devices. They are crucial in protecting external infrastructure.
      Brand
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      ETI-POLAM
      73
      ETI-POLAM
      0
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      2
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