ARCO Marine Zeus A8000-48V 8kW 3.15 Alternator w/Isolated Ground (Common Rail)

The ARCO Marine Zeus A8000-48V is an 8kW 48V alternator built for externally regulated charging systems with isolated ground common rail configuration. It is intended for high-demand electrical setups in marine, RV, military, and commercial use where large battery banks need substantial output from engine-driven charging.

ARCO uses a native 48V rotor and field current design, with cooling-focused construction that includes exterior rectifier placement, dual fans, heat-shedding coatings, and OEM components. For lithium battery charging or maximum performance, use it with the ARCO Zeus Bluetooth Alternator Regulator.

• Voltage: 48V
• Rated output: 8kW
• Field type: P
• Rotor poles: 16
• Stator size: 138mm
• Frame size: Large
• Weight: 15.89 lb / 7.2 kg
• Regulation: External only
• Finish: Black E-coating
• Cut-in speed: 1,920 alternator RPM
• Maximum speed: 19,000 alternator RPM
• Battery post: M8 threaded side-mount post
• Standard pulley: 49K6, 6-groove, 49mm
• Pulley mount: 17mm diameter shaft, 25mm long, threaded M17 x 1.5
• Included pulley hardware: M17 x 1.5 x 24mm nut with 18mm ID x 29mm OD washer
• Diodes: 6 positive and 6 negative, 80A rated avalanche
• Output examples: Over 3kW / 55A at 2,500 alternator RPM; almost 6kW / 111A at 4,000 alternator RPM
• Max output cold: 180A / 9,360W at 53.5V and 9,000 RPM
• Sustained cruising output hot: 138A / 7,383W at 53.5V and 6,000 RPM
• Certification: SAE J1171 certified
• Country of manufacture: Made in the U.S.A.