Marine Alternators
Mastervolt


Alpha Pro 3 Mastervolt

Mastervolt offer a range of high output marine alternators to suit all requirements. Available in 12 or 24 volt with outputs form 90 to 150 amp, Mastervolt’s alternators have a robust design guaranteeing high output even at high temperatures in the engine room. Full capacity remains available at temperatures up to 50°C. Fitted with special bearings, these alternators have an extremely long life span of more than 10 years.

To obtain the best performance from your alternator while also shortening your recharge times, a Mastervolt Alpha Pro 3 step regulator should be fitted. These regulators work on the 3 step charge principal to recharge your batteries as fast as possible without the risk of overcharging. All Alpha Pro regulators are supplied as standard with automatic temperature compensation.

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Battery Splitting Devices

Charge Splitting Devices


The traditional way of charging multiple banks of batteries from a single alternator or battery charger source has been the use of voltage sensitive relays (VSR) or diodes. Both of these methods compromise the charging system.
Mastervolt has the ultimate solution to the problem with its ‘Battery Mate’. Unlike the VSR, Battery Mate maintains total isolation between the battery banks at all times and, similarly, unlike diodes, there are no voltage losses through the device.
The unit is particularly useful in charging systems that do not have remote voltage sense capability. (Like most standard engine alternators).

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Automatic Charging Relay

In multiple battery bank systems, Charge Management Devices (CMDs) connect two battery banks when charging, while keeping the battery banks isolated from each other when not charging. Thus, if one battery bank is depleted, there will be a charged battery bank for engine starting. Battery Isolators and Automatic Charging Relays (ACRs) are the two main charge management devices used on boats etc.

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