Automatic Voltage Regulator( AVR) for Genset: * Newage Stamford: SX440, SX460, MX321, and MX341 compatible avr * Leroy Somer: R448, R438, R449, and R230 compatible avr * Basler: AVC63-7 * Marathon SE350 compatible avr * Mecc Alte: SR7-2 compatible avr * Marelli: M40FA640A/ A, M16FA655A We are professional manufactuer of AVR from China. You could go to www.rfdz.cn to get more information of our products. Why choose us? 1. Factory 10 years experiences 2. 3 years Warranty 3. Supply from Stock 4. OEM is acceptable Hope to be a partner of your company. E-catalogue will be provided if needed.