Mastervolti Alpha Kompakt 28/150 (ilma rihmaratteta)

This alternator weighs 7.9 kg.

This alternator is supplied without a pulley to allow you to install the model that exactly matches your belt type and engine configuration.

To handle the 150A load capacity, it is recommended to use a multi-groove (serpentine) belt to prevent slippage and ensure optimal power transmission.

Yes, this alternator is designed to be paired with an external charge regulator, such as the Mastervolt Alpha Pro, to ensure optimal charging and protect your batteries.

Yes, this alternator is compatible with lithium batteries when paired with a suitable external charge regulator.

Yes, the Alpha Compact range is designed to deliver high charging current even at low engine RPM.

Yes, it can replace your original alternator or be installed as a second alternator dedicated to the service battery bank. Since this model is supplied without a pulley, you will need to provide a pulley suitable for your installation.

The alternator is fitted with internal fans that provide effective cooling. This allows it to sustain a continuous charging current of 150 A without overheating.

This specific model (28/150) is designed to charge battery banks operating at 24V.

The alternator delivers a maximum output current of 150 amperes.

Yes, the Alpha Compact range is designed with a compact footprint to fit in restricted engine spaces.

Yes, it is compatible with these battery technologies (lead-acid, gel, AGM) as well as with lithium. The external regulator will adapt the charging profile to your battery type.

Yes, good ventilation in the engine compartment is recommended to expel hot air generated during operation and optimize alternator performance.

The main difference lies in the format. The Compact series offers reduced footprint and lighter weight compared to the classic series, while maintaining high charging power.

No, the Mastervolt Alpha Pro III charge regulator is not included in the box for this model. The alternator is however sold without a pulley.

It is compatible with many marine engines, but requires adaptation. You will need to provide a specific mounting bracket for your engine as well as a suitable pulley, as this alternator is sold without a pulley.

Yes, this alternator is designed to withstand the demanding conditions of the marine environment.

Connection is made via a dedicated wiring harness. It is imperative to strictly follow the wiring diagram provided by Mastervolt during installation.

A 150A alternator in a 24V system delivers high power, enabling rapid charging of large-capacity battery banks. This reduces engine runtime required for charging and efficiently powers high-consumption onboard electrical systems.