generator reliable, Stamford Type of AC generators, Three Phase, IP23, Class H, Rated voltage 400V, 110-690V for option, ... s rotor IS Input to that of mains through 3-phase full wave rectifier Two ends of the rectifier are connected ... stable VOltageof the AVR± 1%. SX440 has parallel connection ,low frequency protection ,exterior voltage adjustment and otherfunctionMAX321 ISfor the permanent magnetic ...