Galvanic Isolator – 500A – Plug In – 16a Connectors – High Security fixing


Galvanic Isolator with High Security fixings. 500a Surge, 16 amp connectors, Plug In, Unmonitored


Galvanic Isolator – Plug in – Standard 16a connectors – Anti Theft design – 500A surge

best quality galvanic isolators

Surge Protection to 500 amps


LIFETIME Guarantee


SUPER Secure

Fitting a Plug In Galvanic Isolator couldn’t be simpler. You don’t need any electrical knowledge – it just plugs in. It’s weather proof  Guaranteed to work just as well as the wire-in type. 

Fortunately, theft of galvanic isolators is extremely rare, but if you prefer your isolator to be firmly fixed to your boat, we have the answer. Based on our top-selling range of Galvanic Isolators, and incorporating the added advantage of professional high security fixings, this isolator is almost impossible to steal. In fact, if it’s fitted in accordance with our instructions, if it gets stolen, we’ll replace it FREE.

anti-theft galvanic isolator

If it’s stolen, we’ll replace it FREE

Stainless steel clamps securely fix the isolator, whilst our patented “once in never out” fixings ensure that even if a thief comes equipped with tools, removing the isolator intact will be practically impossible.

anti-theft galvanic isolator

Virtually Un-Stealable

zinc saver that cant be stolen

Patented Anti Theft Screws

Even though it’s almost impossible to steal, it’s still incredibly simple to fit, requiring just two fixing holes (3rd hole optional). We supply a choice of fixing screws, including pozi drive cross head screws, which will deter an opportunist thief, or for those requiring ultimate security, we also supply a set of patented cam-head screws which are easy to insert, but virtually impossible to remove. So much so, that if you fix your isolator in accordance with the instructions, we will replace your isolator free if it gets stolen.


Our Galvanic Isolator Gi-120/P/HS simply connects between your shore supply and the mains inlet of your boat. For ultimate security, we recommend fitting it at the boat end.

FULL fitting accessories and instructions included. Tools required: Drill, Screwdriver.

security approved galvanic isolators ukNo other Galvanic Isolator is as easy to fit


best galvanic isolator for narrow boats

■ Easy to fit

NO Power Loss

■ 100% Maintenance Free

■ Fit and forget

This isolator is designed to STOP Galvanic 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 fitted.


galvanic isolator fixed to boat hull superstructure

galvanic isolator lifetime guarantees - made in the united kingdomThe Gi-120/P/HS galvanic isolator has a LIFETIME Guarantee 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).


galvanic isolator - zinc saver - connecting plug showing measurements of 16a connector If your mains connecting cable has a socket that matches the measurement in the photo, this is the correct galvanic isolator for you.



Galvanic Isolator Specification

high security galvanic isolator for boats

Click Image to Enlarge

Max Surge Current 500amps
Voltage: 110 – 250Vac
Connectors: Standard 16a type
Temperature Range -50c to 120c
Fully Waterproof body to  IP66
Connectors Waterproof to IP44
Quality Construction
Fit & Forget operation
Simple DIY Installation

The Gi-120/P/HS Galvanic Isolator is suitable for shore supplies that are protected by a RCD (Earth leakage circuit breaker) with a tripping current not exceeding 30mA. If in doubt, please contact a qualified electrician, or call us on 0757 807 3490

galvanic isolators facebook page. Our Facebook blog.