ARCO Marine Zeus 24V 7kW Alternator with Isolated Ground - Model 4505

Zeus 24V 7kW 1-2 Single Foot 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 domestic styles using a single 1 or 2 mounting foot (e.g., Motorola, Prestolite).

The ARCO Marine Zeus 24V 7kW alternator (Part Number: 4505) delivers high-performance power generation suitable for marine, RV, military, and commercial applications. Engineered with a native 24V rotor and field current, this alternator provides superior efficiency and cooler operation compared to traditional 12V rotor designs. Its robust construction and advanced cooling features enable it to generate over 3kW at just under 3,000 RPM and nearly 6kW at under 6,000 RPM, making it ideal for demanding power needs. Whether powering large battery banks or supplementing existing systems, the Zeus alternator ensures reliable, sustained output with minimal heat buildup and extended lifespan. Its design includes heat shedding coatings, dual cooling fans, and an external rectifier for optimal thermal management, ensuring consistent performance even at high loads. The unit's compatibility with Bluetooth regulation and optional lithium charging makes it versatile for modern energy management. Built in the USA with OEM components, this alternator is certified SAE J1171 and features a black E-coating finish for durability. It replaces most domestic styles using a single or dual-foot mounting system, simplifying installation across various setups. The large frame size and integrated pulley accommodate standard 6-groove belts, supporting efficient power transfer. With a maximum operating temperature of 212°F, the ARCO Zeus alternator is designed for demanding environments, providing high amperage output at idle and cruising speeds for optimal energy production.

Features:

• Engineered for high energy production.

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

• Rapidly charges large battery banks.

• Operates cooler with heat shedding coatings and exterior rectifier.

• Dual cooling fans for enhanced thermal management.

• Built with OEM components for reliability.

• Optimized for performance at idle speeds.

• Reduces generator dependency by creating additional power with your engine.

• Unleash peak performance with E-Coat/Cerakote for sustained amperage output.

• Compatible with ARCO Zeus Bluetooth Alternator Regulator for advanced control.

• SAE J1171 certified for safety and compliance.

• Proudly manufactured in the USA.