ARCO Marine Zeus 24V 7kW Alternator with Isolated Ground for Marine and Commercial Use

Zeus 24V 7kW 3.15 Alternator with Isolated Ground

The ARCO Zeus 24v 7kW alternator generates extremely high amperage at cruising and higher RPMs. This alternator continuously generates over 3kW (109 Amps) at just under 3,000 alternator RPM and almost 6kW (218 Amps) at under 6,000 RPM. In real-world terms, a marine diesel engine at 1,500 RPM with a 2:1 pulley ratio generates over 3kW, and a Mercedes Sprinter at 1,800 RPM with a 3.21:1 ratio generates over 6kW!

The ARCO Zeus 24v 7kW alternator turns on for cruising or at mid to higher RPMs, runs cooler, and provides more power than older designs that are larger and heavier. The newest generation of 24V performance has arrived.

Competitors 24V alternators utilize a 12V rotor and field current which is less efficient and limits output at all RPMs. ARCO utilizes a native 24V rotor and field current. This results in our 24V alternator running cooler than competitors 24V alternators, having a direct impact on the alternator lifespan.

Features:

• Engineered for high energy production.


• Suitable for marine, RV, military, and commercial applications.


• Rapidly charges large battery banks.


• Coolest operating temperatures for increased performance:


• Heat shedding coatings


• Rectifier located on housing exterior


• Dual cooling fans


• OEM components


• Optimized for performance at idle speeds.


• Reduces the need for a generator by creating additional power with your engine.


• Unleash peak performance with E-Coat/Cerakote, keeping the high amp alternator cooler for sustained amperage output.


• Use the ARCO Zeus Bluetooth Alternator Regulator for maximum performance or lithium battery charging.


• SAE J1171 Certified.


• Proudly made in the U.S.A.

Technical Specifications:

• Voltage - 24v


• Field Type - P


• Rotor Poles - 16


• Stator Size - 138mm


• Frame Size - Large


• Weight - 15.89lbs/7.2kg


• Regulation - External Only


• Finish - (Black) E-coating


• Cut-In RPM - 1,962 Alternator RPM


• Maximum Alt RPM - 19,000


• Battery Post - M8 Thread Post, Side Mount


• Standard Pulley - 49K6 (6-groove, 49mm)


• Pulley Mount - 17mm diameter shaft, 25mm long, threaded M17 x 1.5


• Pulley Hardware - M17 x 1.5 x 24mm nut, w/ 18mm ID x 29mm OD washer (Included)


• Diodes - 6 positive, 6 negative, 80A Rated, Avalanche


• Max Output (Cold, 9,000 RPM) at 27.5v - 284 Amps - 7,810 Watts 11.2 kW PTO


• Sustained Cruising Output (Hot, 6,000 RPM) at 27.5v - 220 Amps - 6,050 Watts 8.6kW PTO


• Sustained Idle Output (Hot, 3,000 RPM) at 27.5v - 50 Amps 1,375 Watts 2kW PTO


• Max Continuous Operating Temperature - 100C / 212F

Mounting Application:

• Replaces most small case styles using a 3.15 J180 saddle style mount (e.g., Hitachi, Lucas, Mitsubishi) Most Yanmars.

The ARCO Marine Zeus 24V 7kW alternator is engineered for high energy output, making it ideal for marine, RV, military, and commercial applications. Capable of producing over 3kW (109 Amps) at just under 3,000 RPM and nearly 6kW (218 Amps) at under 6,000 RPM, this alternator ensures reliable power generation during cruising and high-RPM operation. Its advanced design allows the alternator to turn on at moderate RPMs, providing efficient charging for large battery banks while maintaining cooler operation for extended lifespan. The unit’s high amperage capacity and robust construction make it suitable for demanding environments where consistent power is critical.

Unlike traditional 12V rotor-based competitors, the ARCO Zeus utilizes a native 24V rotor and field current, resulting in superior efficiency and cooler operation. Features such as heat-shedding coatings, exterior-mounted rectifiers, and dual cooling fans optimize heat dissipation, allowing the alternator to operate at higher performance levels with reduced thermal stress. The alternator’s E-Coat/Cerakote finish further enhances durability, ensuring it withstands harsh marine and industrial conditions. Designed for easy integration, it replaces most small case styles using a 3.15 J180 saddle mount, compatible with various engine setups.

With an SAE J1171 certification and the option to use the ARCO Zeus Bluetooth Alternator Regulator for maximum performance, this alternator is built for longevity and efficiency. Its high-capacity diodes, external regulation, and heavy-duty components ensure reliable operation at maximum output, even under continuous use. The unit’s advanced features, including a 16-pole rotor, large stator, and high-current diodes, enable it to deliver sustained power at idle and cruising speeds, reducing reliance on external generators and enhancing overall energy independence. Made in the USA, the ARCO Zeus 24V 7kW alternator offers a professional-grade solution for demanding power generation needs.

Features:

• Engineered for high energy production in demanding environments

• Suitable for marine, RV, military, and commercial applications

• Rapidly charges large battery banks for extended use

• Heat-shedding coatings and exterior rectifier enhance cooling and longevity

• Dual cooling fans maintain optimal operating temperatures

• OEM components ensure durability and reliability

• Optimized for high performance at idle speeds

• Reduces reliance on external generators by generating additional power from engine RPM

• E-Coat/Cerakote finish keeps the alternator cooler for sustained high output

• Compatible with ARCO Bluetooth Alternator Regulator and lithium battery charging

• SAE J1171 certified for industry compliance

• Proudly manufactured in the USA