... price 3.in sotck,fast delivery 4.AVR R438 same as original AVR R438 AVR R438 Specifications: For both AREP&PMG excitation ... voltage is rectified and filtered before being used by the AVR monitoring transistor.This consists of a "PMG"(permanent generator). ... ACOutput:8A 75V DC maximumLeroy somer avr R438, Leroy somer avr R439, Leroy somer avr R448, Leroy somer avr R449.For more detailed information ...