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ARCO Zeus

ARCO Zeus A225S 3.15 Alternator with Case Ground and High-Energy Regulator for Marine and RV Applications

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MSRP: $1,670.50
$1,563.80
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SKU:
108711
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Description

Zeus A225S 3.15 Alternator with Case Ground (Common Rail), Terminal Block Zeus High-Energy Alternator Regulator

Zeus A225S 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, running 8-20% cooler than incumbent alternators due to:

  • 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. Our advanced coating absorbs less heat, keeping the A225S cooler for sustained amperage output.

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

  • SAE J1171 Certified.

  • Models are available with an internal/external voltage regulator.

  • Proudly made in the U.S.A.

Technical Specifications:


  • Voltage - 12V

  • Field Type - P

  • Rotor Poles - 16

  • Stator Size - 130mm

  • Frame Size - Small

  • Weight - 12 lbs/5.4 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) - 254 Amps

  • Sustained Cruising Output (Hot, 6,000 RPM) - 187 Amps

  • Sustained Idle Output (Hot, 3,000 RPM) - 157 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)

Zeus High-Energy Alternator Regulator

ARCOs Zeus is the only high-energy external alternator regulator to feature Bluetooth and a native app (on IOS and Android) allowing for easy installation and configuration. With its intuitive interface, you can access information on your system that you never had before. This information will enable you to regulate your system and optimize your battery charge and alternator output, resulting in a safer experience while protecting your energy system investment.

Zeus is the only alternator regulator that can read 2 shunts at a time (the battery shunt and alternator shunt). This feature enables Zeus to react to inputs from the battery current/temperature and alternator current/temperature.

Through the ARCO Zeus application, you are in good hands. Your data is automatically logged and can be shared with your technician to troubleshoot your system remotely. You can even import your remote technicians configurations.

Zeus optimizes battery charges for 12-48 volt systems. Whether you are using Lithium (LiFePo4) batteries or lead-acid Deep Cycle batteries, Zeus has you covered with its pre-set battery libraries and configurable menus to optimize your charging profiles. Zeus manages a complex set of inputs by giving you easy-to-understand options.

Zeus also takes into consideration the power of your engine and allows you to configure the alternators power take-off from the engine by managing the field, or duty. An advanced feature of Zeus is that it can turn your engine into a dedicated generator with the press of a button, whereby it focuses the alternators performance on the creation of energy to replenish your battery bank quickly.

Consistent with Zeus ease of use, Zeus is the only alternator regulator on the market that comes with alternator/battery harnesses and 2 thermistor harnesses, without an additional charge, saving users money and time from sourcing harnesses.

Features:


  • Secure Bluetooth connection

  • Harnesses, Thermistors, and NMEA 2000 kit included

  • Monitors the state of charge

  • Can turn your engine into a dedicated generator with generator mode

  • Pre-set battery libraries

  • Data logging and sharing

  • CAN bus and NMEA 2000-integrated networks

  • Compatible with all voltage systems (12- 48V)

  • IP66 IP67 rated

  • 2-Year warranty

Technical Specifications:


  • Enclosure dimensions without antenna - 8.2 x 5.9 x 2.4

  • Enclosure dimensions with antenna - 8.2 x 7.5 x 2.4

  • Weight - 1.7 lbs

In the Box:


  • Zeus high-energy alternator regulator

  • Battery wiring harness

  • Alternator wiring harness

  • 2 thermistors


The ARCO Zeus A225S 3.15 Alternator is engineered for high power output in compact size, making it ideal for marine, RV, military, and commercial applications. Designed to rapidly charge large battery banks, this alternator features advanced cooling technologies such as heat-shedding coatings, exterior-mounted rectifiers, and dual cooling fans, ensuring operation at cooler temperatures for sustained high performance. Its robust construction and OEM components optimize durability and efficiency, even at idle speeds, reducing the need for a generator by harnessing engine power to generate additional energy.
Built with a focus on heat management, the A225S employs Cerakote or E-coating finishes that absorb less heat, enhancing its ability to deliver up to 254 amps at cold start and maintaining high output during continuous operation. The alternator's compact frame and lightweight design make installation versatile across various engine configurations, with a standard pulley and M8 threaded post for secure mounting. With a regulation system available in both internal and external options, it provides flexible voltage management compatible with modern energy systems.
Complemented by the ARCO Zeus High-Energy Alternator Regulator, this system offers Bluetooth connectivity and a dedicated app for IOS and Android devices. The regulator can read two shunts simultaneously, enabling precise monitoring of battery and alternator currents and temperatures. Its intuitive interface allows for remote data logging, configuration, and troubleshooting, ensuring optimal battery charging for 12-48 volt systems, including lithium and lead-acid batteries. Features like pre-set battery libraries, generator mode, and CAN bus integration make this solution highly adaptable for complex energy systems. Plus, it includes harnesses and thermistors at no extra cost, simplifying installation and setup.
With IP66/IP67 ratings, the ARCO Zeus A225S Alternator and Regulator are built for rugged environments. Their U.S.A. manufacturing guarantees quality and reliability, backed by a two-year warranty. Whether upgrading an existing system or designing a new one, this high-energy alternator provides the power, efficiency, and remote control capabilities needed for demanding applications and modern energy management.

Features:

  • Engineered for high energy production and rapid battery charging
  • Suitable for marine, RV, military, and commercial applications
  • Operates 8-20% cooler thanks to heat-shedding coatings, exterior rectifier, and dual fans
  • Optimized for performance at idle speeds to maximize engine efficiency
  • Advanced Cerakote/E-coating reduces heat buildup for sustained amperage
  • Bluetooth-enabled Zeus regulator with native app for easy configuration and data logging
  • Can read two shunts simultaneously for precise current and temperature monitoring
  • Supports 12-48V systems with pre-set battery libraries for lithium and lead-acid batteries
  • Includes harnesses and thermistors at no additional cost for simplified installation
  • Rugged IP66/IP67 rated enclosure for harsh environments
  • Made in the USA with a 2-year warranty

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