Mastervolt Alpha MB Bidirectional Alternator

Features:

- Fast & complete charging of starter and service batteries.
- Power supply for all consumers.
- 12 V and 24 V versions.
- 75 A to 150 A charge current.
- Standard delivered with Alpha Pro MB charge regulator for an optimal performance and longer-lasting batteries.
- Using a Battery Mate or battery isolator in conjunction with an Alpha alternator makes it possible to easily charge two or three separate battery sets simultaneously.
- TIP: A second alternator on the main engine, combined with a larger battery bank and inverter, could be an alternative for a generator.
- For all engine types: Alpha alternators are equipped with several fixations for customised alternator brackets, available from your installer or engine supplier. Some engine brands come with Mastervolt alternator brackets as an option.
- Fast charging, even at a stationary rpm: Standard alternators only supply the specified capacity at a high rpm. The Mastervolt Alpha alternator is specifically designed for powerful charging, even with a low engine rpm.
- Multi-belt pulley: The 12/130 and 24/75 models are also available with a multi-belt pulley.
- Performs above 40 °C: Forced cooling by fan operation of the pulley provides a lot of power in higher temperatures, especially close to the engine.


Specifications:

General specifications:

- Charge regulation: an Alpha Pro MB regulator comes standard with all models
- Total charge current: 130 A
- Cable length regulator/alternator: 1.5 metre, oil resistant connection cable - delivered as standard
- Belt section: 2xA
- Isolated: yes
- Directions of revolutions: 2
- Mounting: six o’clock
- Dimensions: see ‘downloads’ for drawings
- Weight: 10.1 kg 22.3 lb


Technical specifications:

- Charge voltage Absorption: 14.25 V
- Charge voltage Float: 13.25 V
- Pulley (double) diameter: 88 mm 3.5 inch

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