3YM30
SPECIFICATIONS
3YM30-12
Marine Installation Manual - Volume 2
Standard Alternator Data
Performance Curve for 60A Alternator
Figure - 7
Parameter
Data
Yanmar Code
128271-77200
Alternator Model
LR160-741 (Hitachi)
IC Regulator Model
SA-A (Hitachi)
Battery Voltage
12 V
Nominal Output
12 V / 60A
Earth Polarity
Negative Earth
Direction of Rotation
(Viewed from Pulley
End)
Clockwise
Weight
4.2 kg (9.2 lb)
Rated Speed
5000 rpm
Operating Speed
1050 - 18,000 rpm
Speed for 13.5 V at
20°C (68°F)
5000 rpm
Output Current for
13.5 V
56A or more at 5000
rpm
Voltage Regulation at
20°C (68°F), Voltage
Gradient, -0.01 V/°C
14.4 ± 0.3 V
JUN 2006 (Rev. 1)
