The R220 is analog Automatic Voltage Regulator with transistors
Applications
Standard : for LSA 40 alternators
Adapted to the SHUNT and AREP excitation systerm
Main Characteristics
Voltage regulation : +/-0.5% at steady and constant speed
Response time 500ms
Nominal excitation current : 3A
Maximum excitation current 7A for 10 sec
Alimentation and detection 85 to 139 V (50/60 HZ )
Protection : Fuses Emeded resin