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Alpha 12/130 MB

TIP: A second alternator on the main engine, combined with a larger battery bank and inverter, could be an alternative for a generator.

  • 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.

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.

Product code: 48512130
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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
 
 

Downloads

Datasheets

Alpha 12/130 MB

Charge characteristics for Mastervolt alternators models Alpha 12/90, 12/130, 24/75, 24/95C, 24/110...

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Drawings (dimensions)

Dimensions Mastervolt Alternator models 12/130, 24/75 and 24/110 (zipped DWG, PDF and EPS file)

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Drawings...

Installation drawing Mastervolt Alternator models 12/130, 24/75 and 24/110 (zipped PDF and EPS file)

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User manuals

User's manual + Appendix Alpha Alternator and Alpha Pro regulator (English)

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User manuals

User's manual + Appendix Alpha Alternator and Alpha Pro II regulator (English)

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Product notifications

Alpha 12/130 MB

Mastervolt alternators & brackets

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3D product drawings

Zipped STEP file Alpha Alternator 12-130 excl regulator

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