Test Data (Bosch)
Identification number 0 120 488 171 0 120 488193 0 120488 012
Opel Part no. 90 227 935 90 337 053 90 325 970 90 213 755
Type K1 14V 28 / 70A K1 14V 28 / 70A K1 14V 28 / 70A
Voltage rating 14 14 14
Maximum current in amperes 70 70 70 90
Current in amperes at:
1500 min-1 27
2000 min-1 46
6000 min-1 70
Regulated voltage at 4000 min-1 13.7 to 14.5
with current consumption in
amperes during one minute
Minimum diameter of slip rings in mm 31.5
Projection of carbon brushes in mm 11 to 12
Resistance of excitation winding in ohms 28 + 10%
Resistance of stator winding in ohms Max 0.1 + 10%