ARCO Zeus A225s High Output Alternator

Housing: 3.15

Regulation: External Only

Isolated Ground

Replace your noisy generator!
Engineered for high energy production.
Suitable for marine, RV, military, and commercial applications.
Rapidly charges large battery banks.
Coolest operating temperatures for increased performance:
- Heat shedding coatings
- Rectifier located on housing exterior
- Dual cooling fans
- OEM components
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, keeping the A275L cooler for sustained amperage output.
For maximum performance or lithium battery charging, use the ARCO Zeus Bluetooth Alternator Regulator.
Mercedes requires the use of a clutch pulley on secondary alternators used on all Sprinter vans. For Mercedes Sprinter, please use our N62 with Clutch Pulley here.
SAE J1171 Certified.
Models available with internal/external voltage regulator.
Proudly 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 (IE) or External Only (EX)
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

Brand:

Arco