ARCO Marine Zeus A275L J-180 4 Alternator w/Regulator

Description Zeus A275L J-180 4″ 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. It runs 8 – 20% cooler than incumbent alternators due to heat-shedding coatings, a refrigerator on the 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 – 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 Volvo Penta alternators using a 4 J180 saddle-style mount