

ARCO Zeus A8000 High Output Alternator – 48V
£2,196.00 Ex VAT
- Mounting Styles – 1 and 2″ Single Foot, 3.15″ Hitachi & 4″ J180
- Output Voltage – 48V
- Max Output Current (Cold, 9,000 RPM) – 180A
Sustained Cruising Output (Hot, 6,000 RPM) – 138A
Sustained Idle Output (Hot, 3,000 RPM) – 78A - Compatible with Balmar MC-620, Wakespeed WS500, & Arco Zeus ‘Smart’ regulators
- Isolated and Case Ground options
- Description
- Brand
- Data Sheet and Dimensions
The ARCO Zeus A8000 is the ultimate 48-volt power solution for the modern marine era. Delivering a massive 8kW of energy production, the A8000 is engineered specifically for vessels utilizing 48V architectures to high output inverters, high-capacity Lithium banks, and heavy-duty loads. It represents the pinnacle of “High Energy” charging, offering the robust performance needed to eliminate the reliance on traditional fossil-fuel generators.
Product Description
- 8kW High-Voltage Performance: The Zeus A8000 is designed to manage the intense power requirements of 48V systems with industry-leading efficiency. The A8000 provides the massive energy throughput required for rapid replenishment of 48V battery banks. Even at low speeds, the A8000 remains a powerhouse, delivering a sustained idle output of 78A at 3000RPM when hot, ensuring consistent energy production whether you are maneuvering or at anchor.
- Native 48V Architecture & Thermal Efficiency: Unlike adapted lower-voltage designs, the ARCO Zeus A8000 features a native 48V rotor and field current. This architectural advantage ensures higher electrical conversion efficiency and allows the unit to run significantly cooler than standard 48V alternators. To manage the thermal stress of 8kW production, the A8000 utilizes a high-airflow housing equipped with dual internal cooling fans and an exterior-mounted rectifier. Combined with heat-shedding Cerakote or E-coat finishes, this unit is built for continuous, high-load operation in demanding marine environments.
- Connected “Smart” Charging: The A8000 reaches its full potential when paired with the ARCO Zeus Bluetooth Alternator Regulator. This system provides total visibility and control via the Zeus mobile app, allowing you to monitor real-time voltage, current, and temperature data. With pre-set profiles specifically optimized for 48V Lithium (LiFePO4) systems and full NMEA 2000 compatibility, the A8000 integrates seamlessly into your vessel’s digital backbone, displaying critical power data on your multi-function displays (MFDs).
Key Features
- Massive 8kW Output: Specifically designed for the high-power demands of 48V architectures.
- Native 48V Design: Superior efficiency and cooler operation than converted designs.
- Extreme Thermal Management: Dual fans and an exterior rectifier for sustained high-load performance.
- Bluetooth System Integration: Real-time diagnostics and app-based adjustments (requires Zeus regulator).
- Optimized for Lithium: Advanced algorithms provide a safe and rapid charging path for 48V banks.
Technical Specifications
- Voltage: 48V
- Max Output Current (Cold, 9,000 RPM): – 180A
- Sustained Cruising Output (Hot, 6,000 RPM): – 138A
- Sustained Idle Output (Hot, 3,000 RPM): – 78A
- Cooling: Dual Internal Fans & Exterior Rectifier
- Ground Type: Isolated Ground (Standard)
- Regulator Type: External Only
Note for Installation:
- Due to the extreme power output and the resulting mechanical torque, this unit must be used with a high-quality multi-groove serpentine belt system.
- A Tachometer Signal Stabilizer (Part No. 15-TSS) may be required if your current tachometer is not adjustable.
Country of Manufacture:
USA

