Newmar Power - 2-3-70A Isolator
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Efficient Multi-Battery Charging Solution
The Newmar Power 2-3-70A Isolator is designed for marine applications, ensuring reliable and efficient charging of multiple batteries from one or two alternators. This heavy-duty isolator prevents battery discharge between units, maintaining individual charge levels and avoiding overcharging. Ideal for 12-48V negative ground DC systems, it supports seamless power management for marine vessels and other demanding environments.
Durable Construction for Marine Environments
Engineered with high-quality materials, the Newmar Power 2-3-70A Isolator features a rust-proof anodized aluminum heat sink case, making it resistant to harsh marine conditions. The unit is built to withstand continuous operation, ensuring long-lasting performance in demanding environments.
Technical Specifications
- System Compatibility: Supports 12-48V DC negative ground systems
- Alternator Capacity: Designed for use with 70A alternators
- Voltage Drop: 0.7V at 50% load, 0.9V at full load
- Operating Temperature Range: -40°C to +80°C
- Duty Cycle: Continuous rating up to 50°C, with linear derating to 70% at 80°C
- Temperature Rise: 5°C at full rated current (mount vertically for optimal cooling)
Rugged and Secure Design
- Heavy-Duty Construction: Ensures durability in marine and industrial settings
- Rust-Proof Anodized Aluminum Case: Provides corrosion resistance
- Stainless Steel Mounting Hardware: Included for secure installation
- Protective Terminal Covers: Enhances safety and longevity
Important Compatibility Note
These battery isolators are not compatible with self-exciting alternators. Please verify your alternator configuration with the manufacturer before installation.
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Shipping
We ship worldwide from the United States. Rates are calculated at checkout based on destination and package weight. Some items include free shipping, which will show automatically. Not every product is eligible for international shipping; checkout will confirm eligibility. We do not ship to PO Boxes except through USPS, and not all packages qualify.
Processing and dispatch
Most orders are verified, packed, and handed to the carrier within 1 to 2 business days. Some products may need extra handling time or ship directly from the manufacturer. For certain international orders, inventory transfers between warehouses may add time. If any delay is expected, we will let you know the dispatch date.
Delivery and tracking
Deliveries are handled by trusted carriers such as USPS, UPS, FedEx, and DHL. Estimated arrival times appear at checkout and depend on your location and the service you choose. These are estimates and can be affected by customs or carrier disruptions. A shipping confirmation with a tracking link is emailed when your order ships, and tracking may take up to 24 hours to update. You can also view tracking in your account.
Duties, taxes, and support
International customers are responsible for any customs duties, taxes, and fees charged by the destination country. If these charges are refused and a shipment returns to us, the carrier’s return cost and any re-entry customs fees will be deducted from the refund. If your order is late or you need help, contact cs@qualityboatparts.com and we will assist you.
Quality Boat Parts is a reseller. Many items include a manufacturer’s warranty, and all warranty service is handled directly by the manufacturer. We do not manage or administer warranty claims on behalf of customers.
Warranty terms, coverage, and duration are set by each manufacturer. Issues involving defects, repairs, or replacements must be addressed with the manufacturer’s support team. When available, the warranty period is listed on the product page. If it is not shown, contact us or the manufacturer for details before purchasing.
To start a claim, the customer must contact the manufacturer and follow their process. Keep your proof of purchase and original packaging, and register the product if the manufacturer requires it, as these are often needed for warranty service.
We are happy to help you find the right contact or documentation, but we cannot decide outcomes or intervene in claim resolutions. For guidance, email cs@qualityboatparts.com.