Mastervolt Alpha 12/90 MB Alternator and Regulator Combo – 12 Volt 90 Amp Alternator with Dual Belt Pulley – Multi fit mounting (SUR 48612090)

Mastervolt Alpha 12/90 MB Alternator and Regulator Combo - 12 Volt 90 Amp Alternator with Dual Belt Pulley - Multi fit mounting (SUR 48612090)

$2,595.00

Alpha Pro III - Bulk, Absorption and Float, True 3 Step Charging of Wet, Gel, AGM and Li-Ion Batteries Inc. Temp Monitoring
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Mastervolt Alpha III 12/90 MB Alternator & Regulator Combo (48612090)

12 Volt 90 Amp Dual Belt Pulley - Multi Fit Mounting System

Available in 12 - 24VDC / 75 - 150Amps

Australia Wide Shipping

 

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. 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.

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.

System 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 III MB charge regulator for an optimal performance and longer-lasting batteries.

Mounting Dimensions:

Alpha Pro III MB:

The charge regulator measures the battery temperature and adjusts the charging process accordingly, resulting in a safe and fast charge. Therefore the battery is always kept in good condition.

  • Suitable for 12 and 24 V.
  • Including plug & play connection cable, an adapter cable for Bosch alternators is optional.
  • The Alpha Pro series is suitable for most alternators with a charging current of up to 400 amps.
  • Automatic voltage and temperature compensation.
  •  ‘Keep alive’ function for tachometer.
  • MasterBus compatible.

Easy to operate Easy operation LEDs on the body of the charge regulator indicate the charge phase. The Alpha Pro is designed as a ‘fit all’ solution. Just one unit is needed for both 12 and 24 V applications, with a simple selector switch to set the regulator to the right voltage. The charge regulator can also be used on any other brand of alternator that has a standard Bosch connector, using a Bosch adapter cable (optional; product code 45510500). 

MasterBus connectivity The Alpha Pro is compatible with MasterBus, allowing easy monitoring via a MasterView touchscreen. In a MasterBus system the voltage drop over the battery cable and the battery temperature is compensated automatically.

Benefits of a Mastervolt charge regulator

  • The Alpha Pro charge regulator maximises the output of Mastervolt Alpha alternators or any other alternator by regulating the alternator in a way that the batteries receive the optimum charge. The proven 3-step+ charge method used by all Mastervolt battery chargers guarantees fast and safe charging of your batteries.
  • The Alpha Pro helps to cut emissions by requiring less run time because it maximises the power from any alternator. A battery can be charged quickly even at very low RPM, especially when connected to an Alpha series alternator. By connecting the Alpha Alternator to a Battery Mate or battery isolator, several battery banks can be charged simultaneously.
  • Does your tachometer sometimes indicate zero while the engine is running? The ‘keep alive’ function of the Alpha Pro gets rid of this problem for ever.

*Image for illustration purposes product may vary depending on model size

Options:

Downloads:

 
General specifications
Charge regulation an Alpha Pro III MB regulator comes standard with all models
Total charge current 90 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 five to six, six o’clock & five past six
Dimensions see ‘downloads’ for drawings
Weight 5.5 kg
12.1 lb
 
Technical specifications
Charge voltage Absorption 14.25 V
Charge voltage Float 13.25 V
Pulley (double) diameter 73 mm
2.9 inch
 
 
Weight 0.25 kg

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