R220 Genuine Leroy Somer AVR



The R220 Genuine Leroy Somer AVR for the Leroy-Somer LSA series of industrial alternators provides excitation current up to 3.2 A with excellent reliability for SHUNT excitation types.

The R220 Genuine Leroy Somer AVR cannot be used in dedicated single-phase 60 Hz. Please use dedicated R221. The R220 is an analogue AVR with transistor-controlled power. It is intended for use with small alternators that use a SHUNT excitation. It delivers excitation current up to 3.2A with high reliability for SHUNT excitation types.
R220 regulates the excitation current in order to keep the alternator’s output voltage stable. R220 is a high-performance voltage regulator that is easy to set up and operate. It complies with the IEC 60034-1 standard and is UL 508 / CSA certified.

Product Specification

Technology  Analog
 Excitation mode SHUNT, 3-phase, and 1-phase
 Rated excitation current  3.2 A
 Regulation accuracy (+/- %) 0.5 %
 Frequency range 10 – 100 Hz
 Voltage setting range (+/- %) 5 %
 kU/F limitation K = 1

MNP Electrical is a one stop shop for all your industrial and commercial needs. We supply a wide variety of commercial and industrial spare parts. We have covered all your needs. Reach out to one of our friendly team members to know more about products and services on 0297565632.

Product Specification

Additional information

Weight 1 kg
Dimensions 30 × 30 × 30 cm


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