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Arco Starting & Charging A275L-12-N62-IE-49K6 Zeus Marine Alternator 275A with Regulator

Manufacturer

Arco Starting & Charging

<h3>Nearly Six Decades of Marine Electrical Excellence</h3><p>ARCO Starting & Charging has been the trusted name in marine electrical components for nearly 60 years, setting the gold standard for OEM-quality replacement parts. Operating from their Florida facility, ARCO manufactures, tests, and warehouses every component in the USA, ensuring rigorous quality control before any part leaves their 100,000-square-foot production center. What sets ARCO apart from competitors is their commitment to testing every unit beyond normal operating conditions, using state-of-the-art computerized assembly lines and automated digital load testers to verify performance specifications.</p><p>The company's dedication to proven dependability has earned them a reputation among marine mechanics, boat owners, and commercial operators who demand reliability in challenging saltwater environments. ARCO products consistently meet or exceed OEM specifications, backed by their comprehensive warranty program that demonstrates confidence in their manufacturing processes. Their engineering team comprises industry veterans with decades of experience in rotating electrical components, providing technical expertise that translates into innovative product solutions.</p><h3>Comprehensive Marine Starting & Charging Solutions</h3><p>ARCO's product lineup addresses every aspect of marine electrical systems. Their <a href="/7236-arco-starting-charging-tilttrim-motors-201071">tilt/trim motors</a> deliver precise control for outboard and stern drive positioning, featuring corrosion-resistant construction and reliable performance in harsh marine conditions. The company's <a href="/7236-arco-starting-charging-starters-inboard-201008">inboard starters</a> and <a href="/7236-arco-starting-charging-starters-outboard-201009">outboard starters</a> utilize high-performance permanent magnet gear reduction technology, ensuring powerful cranking even in cold-start situations. Whether you're maintaining a fishing boat, pleasure craft, or commercial vessel, ARCO's extensive application catalog covers major engine manufacturers including Mercury, Yamaha, Volvo Penta, MerCruiser, and OMC.</p><p>Beyond their traditional marine engine components, ARCO has expanded into high-energy charging solutions through their Zeus product line, which includes high-output alternators in 12V, 24V, and 48V configurations, along with Bluetooth-enabled voltage regulators. This innovation addresses the growing electrical demands of modern boats equipped with electronics, navigation systems, and house battery banks. ARCO's commitment to manufacturing in America means faster availability, with over six months of inventory typically in stock, and direct technical support from the engineers who design and build their products.</p>

Part Number

A275L-12-N62-IE-49K6
06/21/2036 6:38 AM
Sale Price

$815.49

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Usually delivered within 2 days

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Product Details

The Arco Zeus A275L N62 is a high-output 275-amp marine alternator designed for demanding applications requiring substantial electrical power. Engineered for marine, RV, military, and commercial use, this alternator delivers exceptional performance while maintaining cooler operating temperatures than conventional alternators.

Advanced Cooling Technology:

The A275L runs 8-20% cooler than traditional alternators through multiple innovative features: heat-shedding E-Coat/Cerakote finish, exterior-mounted rectifier for better heat dissipation, dual cooling fans, and premium OEM components. This superior thermal management translates to sustained high-amperage output and extended service life.

Performance Features:

  • Maximum output of 311 amps (cold, 9,000 RPM) - highest in its size class
  • Sustained cruising output of 227 amps (hot, 6,000 RPM)
  • Sustained idle output of 198 amps (hot, 3,000 RPM) - optimized for low-speed performance
  • Rapidly charges large battery banks, reducing generator dependency
  • Internal/external regulation capability with included adaptor
  • Compatible with Arco Zeus Bluetooth regulator for lithium battery charging
  • SAE J1171 certified
  • Made in USA

Technical Specifications:

  • Voltage: 12V output at 14.1V default
  • Frame: Large frame with 138mm stator
  • Field Type: P-type with 16 rotor poles
  • Weight: 14.9 lbs (6.7 kg)
  • RPM Range: 1,061 cut-in to 19,000 maximum alternator RPM
  • Pulley: 49K6 (6-groove, 49mm) on 17mm diameter x 25mm shaft
  • Mounting: M17 x 1.5 threaded shaft with included hardware
  • Battery Connection: M8 threaded post, side mount
  • Diodes: 12 total (6 positive, 6 negative), 50A rated avalanche type
  • Max Operating Temperature: 230°F (110°C)
  • Finish: Black Cerakote or E-coating

Application Notes:

Replaces most Mercedes and BMW alternators, including Mercedes Sprinter 1999-2006 single alternators and 2007-Up factory dual alternator installations.

Note: This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

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