Zeus A275L 1-2 Single Foot Alternator with 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.
Runs 8 - 20% cooler than incumbent alternators due to: Heat shedding coatings, Rectifier located on housing exterior, Dual cooling fans, and 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 or lithium battery charging for maximum performance.
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 - External Only (These units will come with a terminal block and a P-Type harness. They will only work with an external regulator, such as an ARCO Zeus Bluetooth alternator regulator.)
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)
Max Continuous Operating Temperature - 110C / 230F
Mounting Application:
Replaces most domestic styles using a single 1 or 2 mounting foot (e.g., Motorola, Prestolite)
The ARCO Marine Zeus A275L 1-2 Single Foot Alternator is designed for high power output and reliable performance in demanding applications. Engineered to deliver the highest power in its class, this alternator is suitable for marine, RV, military, and commercial uses. Its robust construction and advanced features enable it to rapidly charge large battery banks while maintaining optimal operating temperatures for enhanced durability and consistent performance. The unit incorporates heat shedding coatings, exterior-mounted rectifiers, dual cooling fans, and OEM-grade components, which collectively allow it to run 8 to 20% cooler than traditional alternators, ensuring sustained operation even under heavy loads. Optimized for performance at idle speeds, the Zeus A275L reduces reliance on external generators by generating additional power directly from your engine, making it an efficient solution for power management on the go. The use of advanced coatings like Cerakote and E-Coat further enhances heat absorption and dissipation, enabling the alternator to produce more amperage over extended periods. For maximum performance, pairing this alternator with the ARCO Zeus Bluetooth regulator or lithium battery charger is recommended, providing seamless, intelligent control over charging parameters. Certified to SAE J1171 standards and proudly made in the USA, the Zeus A275L exemplifies quality and innovation in power generation technology. Its versatile design and high output capabilities make it an ideal choice for demanding applications requiring reliable and efficient power delivery. With features like an external regulation requirement, M8 side mount battery post, and a standard 6-groove pulley, this alternator is easy to install and compatible with a wide range of systems. Whether replacing an existing unit or installing a new power system, the ARCO Marine Zeus A275L ensures peak performance and durability for your marine or heavy-duty application.
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 cooling fans, and OEM components
Optimized for high performance at idle speeds
Reduces need for a generator by generating additional power from your engine
Advanced heat absorption with Cerakote/E-Coat for sustained amperage
Compatible with ARCO Zeus Bluetooth regulators and lithium battery chargers
SAE J1171 certified and made in the U.S.A.
External regulation required with terminal block and P-Type harness
High maximum output and sustained current at various RPMs
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