ARCO Marine Zeus A275L 1-2 Single Foot Alternator w/Isolated Ground Terminal Block [4028]

Zeus A275L 1'-2' Single Foot Alternator: High - power, All - purpose

Get the highest power output alternator in its size class! It's engineered to generate high energy and is suitable for marine, RV, military, and commercial uses.

Key Features:

• Quickly charge large battery banks.
• Operate at cool temperatures for better performance.
• Heat - shedding coatings keep it durable.
• Rectifier on the housing exterior for easy access.
• Dual cooling fans ensure efficient cooling.
• Made with OEM components for reliability.
• Perform well at idle speeds, reducing the need for a generator.
• E - Coat/Cerakote keeps it cool for stable amperage output.
• Use the ARCO Zeus Bluetooth Alternator Regulator for top - notch performance or lithium battery charging.
• SAE J1171 Certified, ensuring quality.
• Available with internal or external voltage regulators.
• Proudly manufactured in the U.S.A.

Technical Specs:

• Voltage: 12v
• Field Type: P
• 16 Rotor Poles
• 138mm Stator Size
• Large Frame Size
• 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)
• 6 positive, 6 negative, 50A Rated, Avalanche Diodes
• 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: 110°C / 230°F

Mounting:

• Replaces most domestic styles with a single 1' or 2' mounting foot (like Motorola, Prestolite). Upgrade to a double 'V' belt or Serpentine System.

Quick Guide (pdf)
Brochure (pdf)

Using the ARCO Marine Zeus A275L Alternator is quite straightforward. First, make sure to choose the right voltage regulator, either internal or external, according to your needs. If you're aiming for maximum performance or charging lithium batteries, use the ARCO Zeus Bluetooth Alternator Regulator. When it comes to mounting, it can replace most domestic - style alternators with a single 1' or 2' mounting foot. Just remember to upgrade the belt to a double 'V' belt or a Serpentine System. For charging, this alternator can rapidly charge large battery banks. It's designed to perform well even at idle speeds, which means you can rely on it without always having to run your engine at high RPMs. When it comes to maintenance, keep an eye on the operating temperature. The alternator has heat - shedding coatings and dual cooling fans, but if it approaches the maximum continuous operating temperature of 110°C / 230°F, it's a good idea to give it a break. Also, check the pulley and its hardware regularly to ensure they're in good condition. The included pulley hardware like the nut and washer should be tightened properly. If you have any other questions or encounter problems, refer to the quick guide or brochure provided.