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TECHNICAL DATA
EN / Alpha alternator - Alpha Pro II regulator / January 2013
27
9 TECHNICAL DATA
9.1
SPECIFICATIONS ALPHA ALTERNATOR
Model:
12/90
12/130
Part number:
48512090
48512130
Type enclosure (see APPENDIX): A
B
Charge current:
90A
130A
Recommended DC fuse
125A
160A
Recommended DC wire size
up to 3 m
AWG2 - 35mm²
AWG0 - 50mm²
3 m up to 5 m
AWG0 - 50mm²
AWG2/0 - 70mm²
Nominal voltage
12V
12V
Charge regulator:
Alpha Pro II 12V
Alpha Pro II 12V
Pulley diameter:
Ø 73 mm
Ø 88 mm
Belt tread:
2x
2x
Isolated from ground:
Yes
Yes
Rotating directions:
2
2
Maximum speed:
8000 rpm
8000 rpm
Pulley:
Double
Double
Required transmission belt
A-type
A-type
Weight:
5.5 kg/ 12.1 lbs
10.1kg / 22.3 lbs
Number of mounting positions:
3
1
24V models
Model:
24/75
24/110
24/150
Part number:
48524075
48524110
48524150
Type enclosure (see APPENDIX): B
B
C
Charge current:
75A
110A
150A
Recommended DC fuse
100A
160A
200A
Recommended DC wire size
up to 3 m
AWG3 - 25mm²
AWG2 - 35mm²
AWG0 - 50mm²
3 m up to 5 m
AWG2 - 35mm²
AWG0 - 50mm²
AWG2/0-70mm²
Nominal voltage
24V
24V
24V
Charge regulator:
Alpha Pro II 24V Alpha Pro II 24V Alpha Pro II 24V
Pulley diameter:
Ø 88 mm
Ø 88 mm
Ø 92 mm
Belt tread:
2x
2x
2x
Isolated from ground:
Yes
Yes
Yes
Rotating directions:
2
2
2
Maximum speed:
8000 rpm
8000 rpm
8000 rpm
Pulley:
Double
Double
Double
Required transmission belt
A-type
A-type
A-type
Weight:
10.1kg / 22.3 lbs 10.1kg / 22.3 lbs 13.1kg / 28.9 lbs
Number of mounting positions:
1
1
3
See APPENDIX for dimensions