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Newmar Isolator for Multiple Batteries

The Newmar 1-3-70a Isolator is a heavy-duty solution designed to optimize battery charging and prevent unnecessary discharge. This isolator is engineered to automatically charge multiple batteries from one or two alternators, ensuring each battery is charged according to its specific needs without overcharging. With its robust construction and versatile voltage rating of 12-48 volts negative ground DC systems, this isolator is a reliable choice for a wide range of applications. Key features include: heavy-duty construction, a rust-proof anodized aluminum case, stainless steel mounting hardware, and protective covers for terminals.

Technical Specifications

The Newmar Isolator is built to withstand demanding conditions, with an operating temperature range of -40 to +80°C. It offers a continuous rating up to 50°C, with a duty cycle that derates linearly to 70% at 80°C. The isolator's temperature rise is 95°C at full rated current, which is optimized for vertical mounting for the best cooling. The voltage drop is minimal, at 0.7V at 50% load and 0.9V at full load. Available models are designed for 70, 120, and 165 amp alternators, ensuring compatibility with various systems.

• Heavy-duty construction ensures long-lasting performance.
• 12-48 volt negative ground DC systems provide versatility for a wide range of applications.

Practical Applications

The Newmar Isolator is an essential component for maintaining the health and performance of your battery system. Whether you're using it in a recreational vehicle, marine vessel, or off-grid installation, this isolator helps prevent discharge or "dumping" of one battery into another, ensuring each battery is charged efficiently. Its conservatively rated diodes and rust-proof anodized aluminum heat sink case make it a durable and reliable choice. The isolator is also easy to install, with stainless steel mounting hardware and protective covers provided for terminals. Ideal for users who demand high performance and long-lasting reliability, the Newmar Isolator is a must-have for anyone looking to optimize their battery charging system.