... : 1. For generator, 2. Brushless, 3. Good quality and price. R448 Self excited voltage regulator: Leroysomer AVR Technical parameter:Input power: 35-75VAC (PMG or ... , SX440-T, SX460, SX460-A.3. Leroysomer AVR: R230, R438, R448, R449, SSAYEC432.4. Marathon AVR: SE350.5. Brush AVR: DX ... .facfdz.comHave a nice day. Thanks. TEL: +86-593-6207000 R448 Self excited voltage regulator