Reliable Corrosion Protection for Marine Vessels

The Newmar Power GI-30-FS 30A Galvanic Isolator with Fail Safe is an essential addition to any cruiser, sailboat, or yacht, providing robust protection against galvanic corrosion. Designed to block stray low-voltage currents that accelerate the degradation of sacrificial zincs, this isolator extends the lifespan of key underwater components, such as through-hulls, shafts, and propellers.

By installing this isolator between the AC safety ground and DC bonding system, you ensure a safer marine environment while significantly reducing maintenance costs. The fail-safe feature guarantees continuous ground maintenance, even in the event of isolator failure, ensuring ongoing protection and safety.

Additionally, the Newmar Power GI-30-FS meets the latest ABYC A-28 2019 standards, offering a reliable and high-performing solution that withstands extreme conditions and stringent marine safety requirements.

Advanced Technical Specifications

• Shore Power Voltage: 115–230V
• Maximum Short Circuit Rating: 5000 Amps
• Stray Current Protection: Up to 1.4 Vdc
• Certified to UL1500 standard for Ignition Protection
• Tested to operate in ambient temperatures up to 50°C
• Equipped with a large capacitor to provide a secondary low-impedance path for AC current grounding

Compact and Durable Dimensions

• Length: 200 mm
• Width: 189 mm
• Height: 68.5 mm

Key Highlights

• Specifically designed for use on cruisers, sailboats, and yachts
• Effectively protects underwater metal components from electrolysis
• Extends the life of sacrificial zincs, reducing maintenance costs
• Certified for ignition protection to ensure enhanced safety
• Fail-safe design guarantees continued ground connection
• Built to withstand demanding marine conditions

The Newmar Power GI-30-FS is the ideal solution for boat owners looking to enhance the longevity of their vessel's underwater components while maintaining a safe and corrosion-free marine environment.