Overview
The ARCO Marine Zeus Alternator Shield is a 12V protection device for high-output alternators. It is designed to reduce damage risk from voltage spikes and disconnect events, including battery disconnects, load dump events, lithium battery BMS shutdowns and accidental switch interruptions.
The shield clamps excess voltage and sends it to ground to help protect alternator diodes and internal components. It installs at the alternator terminals and includes an LED status indicator for real-time health status.
- Voltage: 12V
- Use: Alternator protection for high-output charging systems
- Protection: Voltage spikes, battery disconnects and load dump events
- System fit: Designed for modern electrical systems, including lithium battery systems with BMS shutoff risk
- Indicator: LED status display for health status
- Installation: Installs directly at alternator terminals
- Testing: Tested to ISO 16750-2 Load Dump Standard
- Performance note: Up to 75% more survivable disconnect events vs. the leading competitor
- Ecosystem: Integrated into the ARCO Zeus ecosystem
Specifications
| Brand | ARCO Marine |
|---|---|
| Manufacturer part # | AS12 |
| UPC | 735380922375 |
| Boxed dimensions | 4 x 4 x 2 in |
| Shipping weight | 0.1 lb |
Shipping & returns
Fast, tracked shipping
In-stock orders ship quickly with tracking. Oversized and freight items may ship separately and can take a little longer.
30-day returns
Request a return within 30 days of delivery. Authorized returns are subject to a 15% restocking fee. Return shipping is paid by the buyer; items must be new and in original packaging. See our refund policy.
Authorized dealer
OutdoorsMarine is an authorized ARCO Marine dealer. Every product is genuine and backed by the full manufacturer warranty.
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