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ARCO releases new perfectly-matched 48v & 24v alternator ranges

Date: 20-May-2025

ARCO Marine’s new Zeus 48v and 24v alternator ranges are designed to provide safe, reliable and smooth power for both fast cruising and slow idling vessels.

The new Zeus A8000-48V is the latest innovation in high-output alternators. Designed with a completely-newly-designed 48v rotor, this cutting-edge alternator offers superior efficiency, cooler operation and unparalleled power generation, especially when compared to traditional 48v models using modified 12v rotors.

The Zeus A8000-48V’s in-house designed native 48V rotor not only maximises efficiency but also prevents excessive field current reductions, ensuring the best possible performance at all RPM levels. This results in a cooler-running alternator with enhanced longevity, providing reliable power without the risk of component failure.

Engineered to turn on at lower RPMs while delivering greater power output than its larger, heavier counterparts, the Zeus A8000-48V consistently generates over 3kW (55 amps) at 2,500 RPM, and nearly 6kW (111 amps) at 4,000 Alternator RPM.

ARCO’s new 24v alternators are available in two versions: the Zeus 7kW High Output 24V Alternator and the Zeus 4kW Low Turn-On (LTO) Alternator.

Extremely competitively priced yet capable of delivering an astonishing 5000w-plus of continuous power at rated temperatures, the Zeus 7kW High Output 24V Alternator is ideal for those who need a high-power output while at moderate to high cruising speeds.

The Zeus 4kW Low Turn-On (LTO) Alternator, on the other hand, is perfect for boats with a low RPM diesel or for those who value idle-speed charging: lazily idling at anchor or cruising at low RPM.

ARCO Marine’s new Zeus A8000-48V, Zeus 7kW High Output 24V Alternator and Zeus 4kW Low Turn-On (LTO) Alternator are available now.