ARCO Marine Zeus A275L N62 Alternator with Regulator – High Power Marine and Commercial Alternator

Zeus A275L N62 Alternator with Regulator

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. Runs 8 - 20% cooler than incumbent alternators due to:

- Heat shedding coatings

- Rectifier located on housing exterior

- Dual cooling fans

- OEM Components

• It is 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. Our advanced coating absorbs less heat, keeping the A275L cooler. This translates to more amperage for sustained periods.


• Use an ARCO Zeus Bluetooth alternator regulator for maximum performance or lithium battery charging.


• SAE J1171 Certified.


• 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:

• Replaces most Mercedes and BMW alternators, Mercedes Sprinter 1999-2006 alternators, Mercedes Sprinter Factory dual alternator 2007-Up Replacement

The ARCO Marine Zeus A275L N62 Alternator is engineered for maximum power output within its size class, making it an ideal choice for marine, RV, military, and commercial applications. Designed to rapidly charge large battery banks, this alternator delivers reliable performance even at idle speeds, helping to reduce the need for a separate generator and providing additional power directly from your engine. Its robust construction and advanced cooling features ensure optimal operation under demanding conditions, with the alternator running 8 to 20% cooler than conventional models due to heat shedding coatings, exterior-mounted rectifiers, dual cooling fans, and high-quality OEM components. The use of advanced E-Coat/Cerakote coating further enhances heat dissipation, allowing for sustained high amperage output during extended use.

The Zeus A275L N62 features a 12-volt system with a rotor featuring 16 poles, a 138mm stator, and a large frame size. It weighs approximately 14.9 lbs, making it suitable for a variety of mounting configurations. This alternator is SAE J1171 certified, ensuring compliance with industry standards, and is made in the USA. It includes an internal regulation system with an optional external regulation adaptor, providing flexibility for different electrical setups. The default output voltage is 14.1 volts, with a maximum cold RPM of 9,000 and a peak RPM of 19,000, ensuring high performance across a wide range of engine speeds. Its durable black Cerakote or E-coating finish offers additional protection against harsh environments.

Designed for easy installation, the alternator features a side-mount M8 threaded battery post, a 49mm multi-groove pulley, and hardware included for secure mounting. It boasts a maximum continuous output of 227 amps at hot cruising RPM and can reach up to 311 amps when cold. Its diode configuration includes 6 positive and 6 negative avalanche-rated diodes rated for 50 amps, providing reliable electrical performance. This alternator replaces most Mercedes and BMW models, including Mercedes Sprinter 1999-2006 and factory dual alternator setups from 2007 onward, making it a versatile upgrade for various vehicles and applications. For optimal performance, consider pairing this alternator with an ARCO Zeus Bluetooth regulator or lithium battery systems, ensuring peak efficiency and longevity in demanding operational environments.

Features:

• Engineered for high energy production and rapid battery charging

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

• Runs 8-20% cooler due to heat shedding coatings, exterior rectifier, dual fans, and OEM components

• Optimized for high performance at idle speeds, reducing generator needs

• Advanced E-Coat/Cerakote coating absorbs less heat, enhancing cooling and sustained amperage

• Compatible with ARCO Zeus Bluetooth alternator regulator for maximum performance

• SAE J1171 certified and made in the USA for quality assurance

• Robust 12V system with 16 rotor poles, large frame size, and high RPM capacity

• Includes durable hardware, multi-groove pulley, and side-mount M8 battery post

• Replaces most Mercedes and BMW alternators, including Sprinter models from 1999-2006 and 2007+ factory dual alternators