Plug-In Galvanic Isolator (16 amp)

Surge Protection to 120 amps

Fitting a Plug In Galvanic Isolator couldn’t be simpler. You don’t need any electrical knowledge or tools, and fitting takes about 30 seconds. And it works just as well as the wire-in type.


protect boats from hull corrosion

Our Galvanic Isolator GI50/16 simply connects between your shore supply and the mains inlet of your boat. You can fit it at either the boat end or the shore end. The picture shows it fitted at the shore end.


  •    Uses NO power

  •    100% Maintenance Free

  •    30 Seconds to Fit

  •    Fit & Forget operation

The Isolator is designed to STOP Galvanic AND Leakage currents in their tracks, whilst ensuring that the safety electrical earth is unaffected. So you remain FULLY PROTECTED from electrical faults. Its a quick, simple no-compromise solution to the corrosion that YOUR boat will almost certainly be suffering unless you have an Isolator

reliable galvanic isolators

galvanic isolaror guaranteeThe GI50/16 is fully guaranteed for 5 years against faulty materials and manufacture. We also offer a FREE checking service for your peace of mind. (You may want to get your Isolator checked in the event of a major electrical fault, lightning strike etc).


best galvanic isolators UKIf your mains connecting cable has a socket that matches the measurement in the photo, this is the correct isolator for you.

If NOT, please go HERE




IN STOCK for immediate dispatch.

Prices INCLUDE postage in UK. Please contact us for international shipping costs.


[scabn name=”Galv Isolator Gi50/16″ price=”67.00″ qty_field = “true” b_title=”Add To Cart”]


  • Voltage: 110 – 250Vac
  • Through Current 16A
  • Max Surge Current 120 amps
  • Temperature Range -50c to 120c
  • Fully Waterproof body to  IP66
  • Connectors Waterproof to IP44
  • Quality Construction
  • Fit & Forget operation
  • 30 second install time

The GI50/16 is suitable for shore supplies that are protected by a RCD (Earth leakage circuit breaker) with a tripping current of 30mA or less, and MCB 16a or less. If in doubt, please contact a qualified electrician, or call us on 0757 807 3490