Quicksilver Galvanic Isolators
0 results found
No products match your current filters
Try the following
- Remove some filters to broaden your results.
- Clear the vehicle filter to see all available products.
- Check a different category or manufacturer.
- Browse the top categories below to find what you need.
Quicksilver Galvanic Isolators for Marine Corrosion Defense
As the official parts and accessories division of Mercury Marine, Quicksilver brings decades of marine engineering expertise to their line of galvanic isolators. These essential electrical protection devices safeguard boats from the damaging effects of galvanic corrosion when connected to shore power at marinas and docks.
Engineering Excellence in Corrosion Prevention
Quicksilver galvanic isolators are UL listed and ignition protected, with current ratings of 60 amps, making them suitable for boats with dual 30-amp shore power circuits or single 50-amp connections. These units are rated for 120/240 V.A.C., 50/60 hertz, 60 amps max at 50 degrees C, and carry a 135% continuous duty rating, ensuring they can handle the demanding conditions found in marine electrical systems.
What sets Quicksilver isolators apart is their advanced design approach. These Mercury Marine units use a capacitor configuration which passes AC currents, providing enhanced protection compared to basic diode-only designs. This capacitor-augmented architecture helps maintain electrical safety ground continuity even under fault conditions, a critical consideration for boaters who depend on reliable shore power connections.
Product Line and Applications
Quicksilver offers several galvanic isolator models to meet different vessel requirements. Popular part numbers include the 888557T01 and 888557Q01 kits, as well as the 18478A series and 76664A line. These isolators are rated up to 60 amps and are capable of handling two 30 amp shore power circuits, providing flexibility for various boat configurations from smaller cruisers to larger sportfishing vessels.
Why Galvanic Isolators Matter
When boats plug into marina shore power systems, they become electrically connected to every other vessel on that dock through the AC grounding wire. This connection creates galvanic couples that can cause severe corrosion to underwater metals including propellers, shafts, outdrives, and through-hull fittings. Galvanic isolators block these destructive low-voltage DC currents while maintaining the essential safety ground connection that protects boaters from electrical shock hazards.
For boat owners who have invested in Mercury Marine engines and Quicksilver components, adding a Quicksilver galvanic isolator completes a comprehensive corrosion protection strategy. These units install directly in the shore power grounding conductor and work continuously to protect valuable underwater hardware from premature deterioration, extending the service life of expensive marine components and reducing long-term maintenance costs.