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12/90 MB

12/130 MB

24/75 MB

24/110 MB

24/150 MB

Product code

48512090

48512130

48524075

48524110

48524150

Delivered with multi-belt pulley

48512131

48524076

GENERAL SPECIFICATIONS

Charge regulation

an Alpha Pro charge

regulator comes

standard with all

models

an Alpha Pro charge

regulator comes

standard with all

models

an Alpha Pro charge

regulator comes

standard with all

models

an Alpha Pro charge

regulator comes

standard with all

models

an Alpha Pro charge

regulator comes

standard with all

models

Total charge current

90 A

130 A

75 A

110 A

150 A

Cable length regulator/alternator

1.5 metre, oil resistant

connection cable -

delivered as standard

1.5 metre, oil resistant

connection cable -

delivered as standard

1.5 metre, oil resistant

connection cable -

delivered as standard

1.5 metre, oil resistant

connection cable -

delivered as standard

1.5 metre, oil resistant

connection cable -

delivered as standard

Belt section

2xA

2xA

2xA

2xA

2xA

Isolated from mass

yes

yes

yes

yes

yes

Directions of revolutions

2

2

2

2

2

Mounting

five to six, six o’clock &

five past six

six o’clock

six o’clock

six o’clock

five to six, six o’clock &

five past six

Dimensions

go to

mastervolt.

com/alternators for

drawings

go to

mastervolt.

com/alternators for

drawings

go to

mastervolt.

com/alternators for

drawings

go to

mastervolt.

com/alternators for

drawings

go to

mastervolt.

com/alternators for

drawings

Weight

5.5 kg / 12.1 lb

10.1 kg / 22.3 lb

10.1 kg / 22.3 lb

10.1 kg / 22.3 lb

13.1 kg / 28.9 lb

TECHNICAL SPECIFICATIONS

Charge voltage absorption

14.25 V

14.25 V

28.5 V

28.5 V

28.5 V

Charge voltage float

13.25 V

13.25 V

26.5 V

26.5 V

26.5 V

Pulley (double) diameter

73 mm

88 mm

88 mm

88 mm

92 mm

Specifications

Alpha Alternators

ALTERNATORS AND CHARGE REGULATORS

ALPHA PRO

ALPHA ALTERNATORS

MORE INFORMATION

MASTERVOLT.COM/ALTERNATORS

During the 2015/16 edition of the Volvo

Ocean Race, the batteries had a single

primary source of charging via two

24 V/150 A Mastervolt alternators, regulated

by two Alpha Pro charge regulators, which

could fully charge the Lithium Ion batteries

in one hour. Data captured from this race

has shown that each alternator spun some

88.2 million times!

For the 2017/18 edition, Mastervolt has

chosen again as the official power supplier.

OPTION

Multi-belt pulley (sold separately)

48400030

n.a.

n.a.

n.a.

option

option

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