THIS UNIT IS A REFURBISHED HITACHI L700-1500HFUF2 AC INVERTER DRIVE IGBT GATE DRIVER BOARD, P/N:3B030788-3T FOR A UP TO 150KW /200HP, 380-480V HIGH POWER TYPE. IT IS IN EXCELLENT WORKING CONDITION. ALL SIX(6) IGBT DRIVER CHANNELS ARE WORKING.