ARCO Marine Zeus A275L N62 Alternator w/Terminal Block [A275L-12-N62-EX-49K6]

Zeus A275L N62 Alternator with Terminal Block

This alternator offers the highest power output in its size and class. It's a real powerhouse!

Key Features:

• Designed for high energy production, it's a great choice for various needs.
• Suits marine, RV, military, and commercial applications perfectly.
• Charges large battery banks quickly, saving you time.
• Operates at cooler temperatures for better performance, running 8 - 20% cooler than other alternators thanks to heat - shedding coatings, an externally - located rectifier, dual cooling fans, and OEM components.
• Optimized for idle - speed performance, making it efficient in all situations.
• Creates extra power with your engine, reducing the need for a generator.
• With E - Coat/Cerakote, it unleashes peak performance. The advanced coating keeps it cooler and provides more amperage over time.
• Use an ARCO Zeus Bluetooth alternator regulator for top - notch performance or lithium battery charging.
• It's SAE J1171 Certified and proudly made in the U.S.A.

Technical Details:

• Voltage: 12v
• Field Type: P
• Rotor Poles: 16
• Stator Size: 138mm
• Frame Size: Large
• Weight: 14.9 lbs/6.7 kg
• Regulation: External Only (Comes with a terminal block and a P - Type harness. Works only with an external regulator like 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)
• 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: 110°C / 230°F

Mounting Info:

• Replaces most Mercedes and BMW alternators, Mercedes Sprinter 1999 - 2006 alternators, and Mercedes Sprinter Factory dual alternator 2007 - Up.

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

Quick Guide (pdf)
Brochure (pdf)

Using the ARCO Marine Zeus A275L N62 Alternator is easy. First, make sure it's correctly mounted according to the mounting application details. It can replace many Mercedes and BMW alternators, so just follow the fitting process as you would for those. Connect it to your engine and the battery using the appropriate wiring. For the best performance, use an ARCO Zeus Bluetooth alternator regulator, especially if you're charging lithium batteries. When it comes to maintenance, keep an eye on the operating temperature. Since it runs cooler than others, it's less likely to overheat, but still, don't let it go beyond the maximum continuous operating temperature of 110°C / 230°F. Check the diodes, pulley, and hardware regularly for any signs of wear or damage. If you have any problems, don't return it to the place of purchase. Instead, contact the manufacturer directly for help.