ARCO Marine Zeus A275L 3.15 Alternator with Case Ground and Terminal Block

Zeus A275L 3.15 Alternator with Case Ground (Common Rail) Terminal Block

The highest power output alternator in its size/class.

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 A275L cooler for sustained amperage output.


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


• SAE J1171 Certified.


• Models available with internal/external voltage regulator.


• Proudly made in the U.S.A.

Technical Specifications:

• Voltage - 12v


• Field Type - P


• Rotor Poles - 16


• Stator Size - 138mm


• Frame Size - Large


• Weight - 14.9 lbs/6.7 kg


• Regulation - Internal/External (Internally regulated with adaptor for optional external regulation.)


• Output Voltage - 14.1v (Default)


• Finish - (Black) Cerakote or E-coating


• Cut-In RPM - 1,061 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, 50A Rated, Avalanche


• Max Output (Cold, 9,000 RPM) - 311 Amps


• Sustained Cruising Output (Hot, 6,000 RPM) - 227 Amps


• Sustained Idle Output (Hot, 3,000 RPM) - 198 Amps


• Max Continuous Operating Temperature - 110C / 230F

Mounting Application:

• Must be used on Yanmar Common Rail introduced after 2013 (JH-CR, 3JH40, 4JH45, 4JH57, 4JH80, 4JH110)

The ARCO Marine Zeus A275L 3.15 Alternator is engineered to deliver the highest power output within its size class, making it ideal for demanding marine, RV, military, and commercial applications. This alternator features advanced design elements such as heat shedding coatings and dual cooling fans, ensuring optimal performance even under prolonged high-load conditions. Its robust construction includes an exterior-mounted rectifier and OEM-grade components, providing durability and reliable operation in challenging environments. With a focus on efficiency, the Zeus A275L is optimized for performance at idle speeds, reducing engine load while generating significant electrical power to support large battery banks and electrical systems. The use of E-Coat or Cerakote finishes helps keep the alternator cooler, enabling sustained amperage output for extended periods.

Features:

• Engineered for high energy production to meet demanding power needs.

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

• Rapidly charges large battery banks for extended operation.

• Cool operating temperatures enhance overall performance and longevity.

• Heat shedding coatings improve thermal management during continuous operation.

• Housing-mounted rectifier simplifies maintenance and enhances durability.

• Dual cooling fans provide efficient heat dissipation for consistent output.

• OEM components ensure high-quality construction and reliability.

• Optimized for performance at idle speeds to reduce engine strain.

• Reduces reliance on generators by producing additional power with your engine.

• Unleash peak performance with E-Coat/Cerakote coatings that keep the alternator cooler for sustained amperage.

• Compatible with the ARCO Zeus Bluetooth Alternator Regulator for enhanced performance and lithium battery charging.

• SAE J1171 certification guarantees compliance with industry standards.

• Models available with internal or external voltage regulation options.

• Manufactured proudly in the U.S.A., ensuring quality and craftsmanship.