Surge Arrester / Protection

Surge Protection for Electrical Equipment

Surge voltages are short, pulse-like voltage peaks also known as transients.  Lightening strikes are the most well known cause of extreme surge voltage pulses.  Electricial equipment is continually stressed by transients that occur in the power supply network, such as those caused by switcing operations.  

The Enerdoor surge protection series was specifically designed to offer surge protection for electrical equipment. Surge arresters are installed at the front end of a system for the purpose of diverting harmful overvoltage transients caused by external (lightning) or internal (switching) events to ground safely.

Also known as Surge Protection Devices (SPD), or Transient Voltage Surge Suppressors (TVSS), Enerdoor surge arrestors protect against electrical transients that find their way onto electrical conductors.

All models in this series include remote contact and visual indicators, and comply with the UL 1449, IEC 61643-11, and VDE 0675 International Standards.

DIN rail and screw mounting options are available with select models additionally offering plug and play replaceable cards for quick and easy installation and replacement.

Browse Surge Arrester / Protections

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BG (G) 25
  • Class I+II
  • 1 to 4 poles application
  • Rated voltage 120-600 Vac
  • Max Nominal discharge phase 100 KA, Neutral 200 KA
  • Visual and remote contact indicator
  • Din-rail mounting

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BG (G) 50
  • Class I+II
  • 1 to 4 poles application
  • Rated voltage 120-600 Vac
  • Max Nominal discharge phase 150 KA, Neutral 200 KA
  • Visual and remote contact indicator
  • Din-rail mounting

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BM (G) 12.5
  • Class I+II
  • 1 to 4 poles application
  • Rated voltage 120-600 Vac
  • Max nominal discharge phase 80 KA, Neutral 100 KA
  • Visual and remote contact indicator
  • Din-rail mounting

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EMG (G) 20
  • Class II+III
  • 1 to 4 poles application
  • Rated voltage 120-600 Vac
  • Max discharge current 40 KA
  • Visual and remote contact indicator
  • Surge arrester replaceable

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EMG (G) 40
  • Class II+III
  • 1 to 4 poles application
  • Rated voltage 120-600 Vac
  • Max nominal discharge phase 80 KA, Neutral 80 KA
  • Visual and remote contact indicator
  • Din-rail mounting
  • Replaceable

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EMG (G) 60
  • Class II+III
  • 1 to 4 poles application
  • Rated voltage 120-600 Vac
  • Max nominal discharge phase 120 KA, Neutral 120 KA
  • Visual and remote contact indicator
  • Din-rail mounting
  • Replaceable

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FINPR
  • Class II
  • 1 to 4 poles application
  • Rated voltage 120-600 Vac
  • Max nominal discharge phase 50 KA, Neutral 50 KA
  • Visual and remote contact indicator
  • Din-rail mounting
  • Replaceable 

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FINPRS
  • Class II
  • DC application
  • Rated voltage 500-1200 Vac
  • Max nominal discharge 50 KA
  • Visual and remote contact indicator
  • Din-rail mounting
  • Replaceable 

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