R220 AVR FOR ALTERNATORS WITH SHUNT EXCITATION

The R220, an analog AVR featuring transistor-controlled power, is specifically crafted for small alternators employing SHUNT excitation. This AVR efficiently manages excitation current to uphold stable output voltage. Renowned for its precise voltage regulation, user-friendly setup, and reliability, the R220 complies with the IEC 60034-1 standard and holds UL 508 / CSA approval.

KEY FEATURES

• Voltage regulation: ± 0.5 %
• 1.07 U/F function
• Quick response: 500 ms
• Nominal excitation current: 3A
• Maximum excitation current: 7A during 10 s
• Supply range / voltage detection: 85 to 139 V (50/60Hz)
• Protection: fuse embedded in resin