Description
Newmar GI-30-FS Galvanic Isolator 30A | Boat Supply Store
Safeguard your vessel's underwater metal components from destructive galvanic corrosion with the Newmar GI-30-FS. This 30A Fail-Safe Galvanic Isolator effectively blocks stray DC currents generated in saltwater environments while ensuring continuous AC safety ground integrity, even in the event of internal failure. Meeting stringent ABYC A-28 2019 and UL1500 standards, it provides crucial protection for vessels operating in brackish or saltwater, such as coastal cruisers or offshore fishing platforms, reducing the need for frequent zinc replacement and costly haul-outs.
Key Features
- Protects against galvanic corrosion
- Maintains a safe environment on board
- Certified to the UL1500 standard for Ignition Protection
- Tested to a 50 degrees C ambient temperature
- 30A fail-safe feature ensures ground maintenance in case of isolator failure
- Meets ABYC A-28 2019 requirements
- Blocks low-voltage currents that cause corrosion
- Maintains integrity of the critical safety ground path
Specifications
| Product Specifications | |
|---|---|
| Amperage Rating | 30A |
| Fail-Safe Design | Yes |
| Shore Power Voltage | 115-230V |
| Maximum Short Circuit Rating | 5000 Amps |
| Stray Current Protection | 1.4 VDC |
| Dimensions | 200 x 189 x 68.5 mm |
| Certifications | UL1500 |
| Compliance | ABYC A-28 2019 |
Who This Is For
Boat owners operating vessels in saltwater environments who prioritize protecting expensive metallic components from galvanic corrosion. This isolator is ideal for reducing maintenance associated with zinc replacement and ensuring robust electrical safety.
How It Compares
| Feature | Newmar GI-30-FS Galvanic Isolator 30A | AC Shore Power |
|---|---|---|
| Amperage Rating | 30A | 30A |
| Fail-Safe Design | Yes | Yes |
| Shore Power Voltage | 115-230V | 115-230V |
| Primary Function | Galvanic Corrosion Protection (AC Shore Power) | Galvanic Corrosion Protection |
| UL1500 Ignition Protection | Yes | UL Listed |
| ABYC A-28 2019 Compliance | Yes | Not explicitly stated |
| Dimensions (LxWxH) | 200 x 189 x 68.5 mm | Approx. 6.5 x 5.5 x 2.5 inches |
Common Concerns Answered
Installation seems complex, can I do it myself?
Installation of the Newmar GI-30-FS requires a basic understanding of marine AC electrical systems, including shore power connections and proper grounding techniques. While achievable for experienced DIYers, we recommend consulting a qualified marine electrician if you have any doubts about your abilities to ensure a safe and compliant installation.
Why is this unit more expensive than non-fail-safe options?
The higher cost of the Newmar GI-30-FS is attributed to its advanced 'fail-safe' design, which ensures the critical safety ground path remains intact even if the isolator component fails. This enhanced reliability and safety feature, combined with rigorous testing and certifications, justifies the investment for superior protection.
What is the return policy?
The Newmar GI-30-FS is a manufacturer-direct item, which means returns or exchanges are handled directly through Newmar. Please review Newmar's specific return policy details on their website or contact our customer support for guidance on initiating a return if necessary.
Frequently Asked Questions
What is a galvanic isolator and why do I need one?
A galvanic isolator is a safety device installed in a boat's AC shore power system that blocks the flow of stray DC currents, which cause galvanic corrosion. Without one, dissimilar metals in contact with seawater create an electrochemical reaction that eats away at your boat's underwater components like propellers, shafts, and hull fittings.
How does the Newmar GI-30-FS protect my boat from corrosion?
The GI-30-FS works by blocking the low-voltage DC current that flows between your boat's metal components and other grounded objects through the shore power connection when in saltwater. This interruption prevents the electrochemical process that leads to galvanic corrosion, thereby extending the lifespan of your valuable metal parts.
What does 'fail-safe' mean in the context of this galvanic isolator?
'Fail-safe' in the GI-30-FS means that if the primary component designed to block galvanic current were to fail, the unit is engineered to automatically maintain the critical AC safety ground path. This ensures that your boat's electrical safety ground remains connected, preventing a potential shock hazard.
Is the Newmar GI-30-FS certified for marine use?
Yes, the Newmar GI-30-FS is certified to the UL1500 standard, which is specifically for ignition protection in marine environments, and meets the stringent ABYC A-28 2019 requirements for galvanic isolators, confirming its suitability and safety for marine applications.
What is the maximum shore power voltage this isolator can handle?
The Newmar GI-30-FS is designed to support standard AC shore power systems, handling voltages of both 115V and 230V, making it versatile for various dockside power configurations.
