TECHNICAL DATA
EN / Alpha alternator - Alpha Pro II regulator / January 2013
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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