Fan Favorite 24 volt Alternator Shield

The ARCO Zeus Alternator Shield protects high-output alternators from damaging voltage spikes caused by sudden battery disconnects, including lithium BMS shutdowns. It safely diverts excess voltage to ground to prevent diode failure, extend alternator life, and deliver reliable performance in today’s high-amperage electrical systems.

The ARCO AS24 Zeus Alternator Shield is designed to protect 24V alternators from destructive load dump events that can occur when batteries are unexpectedly disconnected from the charging circuit. Common in modern lithium battery installations, these sudden disconnects can generate damaging voltage spikes that threaten alternator diodes and charging system components. The Zeus Shield helps safeguard the alternator by absorbing and redirecting excess voltage before damage can occur.

• Designed for 24V charging systems utilizing high-output marine alternators

• Protects against voltage spikes caused by sudden battery disconnects, including lithium battery BMS shutdown events

• Clamps excess voltage and safely diverts energy to ground to reduce the risk of alternator diode failure

• Helps extend alternator service life by minimizing exposure to damaging load dump conditions

• Supports reliable operation in modern high-amperage charging systems used in marine and commercial applications

• Provides dedicated alternator protection without interfering with normal charging system performance

The ARCO AS24 Zeus Alternator Shield adds critical protection to 24V charging systems operating with lithium batteries and high-output alternators. By mitigating potentially damaging voltage spikes before they reach sensitive charging components, it helps improve system reliability and protect valuable alternator investments.