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
This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.
The ARCO Marine Zeus A275L N62 Alternator is designed to deliver the highest power output within its size and class, making it ideal for demanding marine, RV, military, and commercial applications. Engineered for high energy production, this alternator rapidly charges large battery banks, ensuring your systems remain powered even during extended use. Its robust construction and advanced cooling features enable it to operate at cooler temperatures, running 8 to 20% cooler than comparable models thanks to heat shedding coatings, exterior-mounted rectifiers, dual cooling fans, and OEM-grade components. This design ensures increased performance and durability, especially in harsh environments.
Optimized for performance at idle speeds, the Zeus A275L reduces reliance on a generator by generating additional power directly from your engine. Its advanced E-Coat or Cerakote finish absorbs less heat, maintaining cooler operating temperatures for sustained amperage output. For maximum efficiency, it is compatible with ARCO Zeus Bluetooth alternator regulators and supports lithium battery charging, providing flexible and modern power management options. Certified according to SAE J1171 standards and proudly made in the USA, this alternator offers reliable performance for demanding applications.
The alternator features a 12-volt system with a 16-pole rotor and a large stator, capable of producing up to 311 amps at maximum cold RPM and maintaining high output levels during hot cruising and idle conditions. Its internal regulation can be adapted for external regulation, and it includes a standard 6-groove pulley for easy installation. With a lightweight design of just under 15 pounds, the Zeus A275L is a versatile replacement for many Mercedes and BMW alternators, including those used in Mercedes Sprinter models from 1999 to 2006 and 2007-up factory dual alternator setups. Its durable construction and high maximum operating temperature of 230°F ensure long-lasting performance in challenging environments, making it a reliable choice for high-demand power systems.
Features:
- High energy production for demanding applications
- Suitable for marine, RV, military, and commercial use
- Rapidly charges large battery banks
- Runs 8-20% cooler thanks to heat shedding coatings, exterior rectifier, dual cooling fans, and OEM components
- Optimized for high performance at idle speeds
- Reduces generator dependency by generating additional power from engine
- E-Coat/Cerakote finish absorbs less heat for cooler operation
- Compatible with ARCO Zeus Bluetooth regulator for maximum performance
- Supports lithium battery charging
- SAE J1171 certified for reliability
- Heavy-duty 12V system with 16-pole rotor and large stator
- Maximum output of 311 amps at cold RPM
- Supports external regulation with internal regulation option
- Includes standard 6-groove pulley and mounting hardware
