SKU:
Mastervolt 48624075
€ 1.704,04
1-2 weeks delivery time
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The Mastervolt 48624075 Alpha Alternator 24/75 is a fan-cooled 24V alternator delivering 75A, designed for optimal battery charging even at low engine RPM. Standard delivery includes the Alpha Pro III charge regulator for intelligent 3-stage charging. It features a durable design with full galvanic isolation, optional multigroove pulley, and reliable operation at temperatures above 40°C — ideal for marine and mobile power systems with multiple battery banks.
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Mastervolt 48624075 – Alpha Alternator 24/75 with Alpha Pro III Charge Regulator (75A, 24V, Low RPM Charging, Isolated)
The Mastervolt Alpha 24/75 is a high-efficiency alternator that delivers 75 amps at 24 volts, designed to quickly and safely charge both starter and service battery banks — even at low engine speeds. It comes standard with the Alpha Pro III charge regulator, which supports adaptive 3-stage charging to ensure optimal battery health and long-term performance.
Thanks to forced air cooling through the pulley fan, the Alpha 24/75 can operate at full capacity even in hot engine compartments above 40°C. It is fully isolated for safe use in marine environments and supports dual or triple battery bank configurations using Battery Mate or isolators. Custom brackets are available for easy integration with all major engine types.
Key Features
- 75 A charging current at 24 V DC
- Delivered with Alpha Pro III charge regulator (standard)
- Designed for fast, full charging even at low engine RPM
- Fan-cooled for consistent performance above 40°C
- Galvanic isolation for safe multi-bank operation
- Optional multigroove pulley (available for this model)
- Compatible with Battery Mate and battery isolators
- Mounting support for all engine types; custom brackets available
- Ideal as an alternative to a generator when combined with large battery banks and inverters
General Specifications
Specification Value Total Charge Current 75 A Nominal Voltage 24 V DC Charge Regulation Alpha Pro III (included) Isolated Operation Yes Rotational Direction 2 (bi-directional) Mounting Position Six o’clock Belt Section 2x A Multigroove Pulley Optional Cooling Forced air via pulley fan Weight 10.1 kg / 22.3 lb Nominal Pulley Diameter 89 mm / 3.5 inch
Charging Characteristics
Stage Voltage Absorption 28.5 V Float 26.5 V
Applications
- Marine vessels with 24 V starter and service banks
- Commercial vehicles and mobile workshops
- Off-grid battery systems using 24 V architecture
- Secondary alternator setups for generator-free power systems
Documents
Alpha 12_130 III - DataSheet Size: 230,4 Kb -
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