ARCO Marine Zeus A275L High Output Alternator, 12V 311A – Made in USA

Unleash superior power for your vessel with the ARCO Marine Zeus A275L High Output Alternator. Engineered for high energy production, this 12V alternator delivers the highest power output in its class, ensuring robust and reliable charging for demanding electrical systems. Proudly made in the U.S.A. and SAE J1171 Certified for ignition protection, it's the professional's choice for marine, RV, military, and commercial applications. Upgrade your power system today for unwavering performance on the water and beyond.

In the Box:

• ARCO Marine Zeus A275L Alternator
• Pulley Hardware (M17 x 1.5 x 24mm nut, w/ 18mm ID x 29mm OD washer)

Key Benefits & Specifications:

• Exceptional Power Output: Delivers a maximum of 311 Amps (cold, 9,000 RPM), with sustained cruising output up to 227 Amps (hot, 6,000 RPM) and 198 Amps at idle (hot, 3,000 RPM) to rapidly charge large battery banks and support high electrical loads.
• Optimal Thermal Management: Features dual cooling fans and advanced E-Coat/Cerakote heat-shedding coatings, enabling 8-20% cooler operation than comparable alternators for extended performance and service life.
• Robust Construction: Built with OEM components and a rectifier located on the housing exterior, ensuring durability and efficient heat dissipation in harsh environments.
• Flexible Regulation: Designed with internal/external voltage regulation, allowing for seamless integration into various systems and enabling optional external control for maximum performance or optimized lithium battery charging.
• Certified Safety: SAE J1171 Certified for ignition protection, meeting stringent safety standards for marine applications.
• Lightweight Design: Weighs 14.9 lbs (6.7 kg) for easier handling and installation.

Compatibility & Pairings:

• Yanmar Common Rail Engines: Must be used on Yanmar Common Rail engines introduced after 2013 (JH-CR, 3JH40, 4JH45, 4JH57, 4JH80, 4JH110).
• Advanced Regulation: For maximum performance and optimized lithium battery charging, pair with an ARCO Zeus Bluetooth Alternator Regulator.