... H, Protection: IP22 IP23 is for optional but the rated power will decrease 5%. Voltage RegulatorsThe model we use including: MX321, MX341 ... , AS440, SX440, SX460, etc.Main Index:1) Rated voltage 400V, 110V-690V for option2 ... .2281225281224.8300240YH274K----291232.8300240300240312.5250 Packing stamford ac alternator model for diesel generator