


Leroy Somer,R220, DIGITAL AVR,Digital voltage regulator,Nidec
R220 is an analog AVR with power controled by transistors. It is designed for small alternators with a SHUNT excitation. R220 controls the excitation current in order to maintain the output voltage of the alternator. R220 is performant in terms of voltage regulation, simple to set , to use and is reliable. It is in compliance with I.E.C. 60034-1 standard and U.L. 508 / C.S.A. approved.
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