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Mastervolt 48324075 - Alpha Alternator 24/75 Multi-Belt (75A, 24V, Multigroove Pulley, Isolated, With Alpha Pro III)
The Mastervolt Alpha Alternator 24/75 Multi-Belt is a reliable charging solution for 24 V systems in marine, industrial, and mobile applications. Delivering 75 A with a robust multigroove pulley system, it ensures excellent performance even at low engine RPM. With galvanic isolation and a fan-cooled design, the alternator supports safe, efficient operation even in high-temperature environments. It can charge multiple battery banks simultaneously when paired with Battery Mate or isolators.
Key Features:
- 75 A charging current at 24 V for stable battery replenishment
- Multigroove pulley enhances belt grip and load capacity
- Compatible with Alpha Pro III charge regulator (ordered separately)
- Effective charging at low RPM — ideal for idle or variable speed engines
- Supports multi-bank charging with Battery Mate or isolators
- Galvanically isolated for system safety
- Fan-assisted cooling ensures power delivery above 40 °C
- Bidirectional rotation and six o'clock mounting position
Applications:
- Marine electrical systems with 24 V battery banks
- Off-grid or mobile charging platforms
- Generator-free installations using inverters and battery banks
Technical Specifications:
Charge Voltage (Absorption) 28.5 V Charge Voltage (Float) 26.5 V Total Charge Current 75 A Voltage 24 V Regulator Alpha Pro III (available separately) Rotational Direction Bidirectional Belt Section 2xA (Multigroove pulley) Nominal Pulley Diameter 89 mm (3.5 in) Mounting Position Six o'clock Weight 10.1 kg (22.3 lb) Isolated Operation Yes
Installation Notes:
This alternator is designed for universal engine compatibility using appropriate mounting brackets, available from Mastervolt or OEM engine suppliers. When integrated with a Battery Mate or isolator, it enables efficient charging of two or more separate battery banks. It is especially suited for use in high-demand, generator-free systems that rely on inverters and expanded battery storage.
Documents
Alpha 24_75 multigroove - DataSheet Size: 230,4 KbAlpha 24_75 multigroove - User Manual Size: 2,7 Mb -