ARCO Marine Zeus 24V 4kW LTO Alternator, Isolated Ground – SAE J1171 Certified

Maximize your vessel's power generation with the ARCO Marine Zeus 24V 4kW Low Turn-On (LTO) Alternator. Engineered for exceptional efficiency and performance, this alternator delivers robust power even at lower engine speeds, significantly reducing reliance on onboard generators. Proudly made in the U.S.A. and SAE J1171 certified, the Zeus alternator is the professional's choice for reliable marine, RV, and commercial applications. Upgrade your charging system for superior energy production and extended battery life.

• ARCO Marine Zeus 24V 4kW LTO Alternator Unit
• Standard 49K6 6-Groove Pulley
• Pulley Mounting Hardware (M17 x 1.5 x 24mm nut, 18mm ID x 29mm OD washer)

• High-Output Power: Delivers a maximum cold output of 144 Amps (5.7kW PTO) at 27.5V and 9,000 RPM, ensuring rapid charging of large battery banks.
• Low Turn-On RPM (LTO): Achieves significant power generation (over 1.5kW / 55 Amps) at engine idle (750 RPM with a 2:1 pulley ratio), providing crucial power without needing high engine speeds.
• Superior Cooling & Durability: Features a native 24V rotor and field current, coupled with heat-shedding coatings, an exterior rectifier, and dual cooling fans, to ensure cooler operation and extended lifespan compared to traditional designs.
• Isolated Ground Design: Minimizes electrical interference and enhances system compatibility for diverse marine and vehicle applications.
• SAE J1171 Certified: Meets industry standards for ignition protection, providing peace of mind in combustible environments.

• Specifically designed for use with Yanmar Common Rail Engines introduced after 2013, including JH-CR, 3JH40, 4JH45, 4JH57, 4JH80, and 4JH110 models.
• Optimize your alternator's performance and manage lithium battery charging effectively by pairing with the ARCO Zeus Bluetooth Alternator Regulator.