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Onesto 600V 80KA DC 3 Pole Surge Arrestor

A surge arrester is a device to protect electrical equipment from over-voltage transients caused by external (lightning) or internal (switching) events. To protect a unit of equipment from transients occurring on an attached conductor, a surge arrester is connected to the conductor just before it enters the equipment.

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Excl. Tax: R 4,013.91 Incl. Tax: R 4,616.00

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Product Description



  • Model: BY7-80/3-600DC.
  • Application: PV Surge Arrestor / Surge Protection
  • Consists of DIN Rail Mounting Bracket & Plug-in replaceable cartridge with indication window.
  • Can be fitted with Signalling Auxiliary.
  • Max kA: 80kA.
  • Max Input Voltage: 600VDC.

Additional Information

Additional Information

Disclaimer Please note that stock availability is subject to prior sales. Prices exclude delivery. The image serves as an example of what the product looks like and may differ slightly in appearance.
Guarantee/ Warranty 12 month product warranty


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