AVR Voltage Regulator R448R448 Permanent Magnet Generator or A.R.E.P or Auxiliary Winding type generator voltage regulator is a compatible replacement for Leroy Somer R448, R449, R438, and AEM110RE016 and also Olympian FG Wilson 922 124. Voltage Regulation andlt 0.5 percent Load Acceptance Module (LAM) 50 or 60 Hz Selectable Under Frequency andamp Exc. Max Protection Single Phase Or Three Phase Voltage Sensing Optional Soft Start Voltage Ramping Normal Rapid Response Time (Option) Sensing Input Terminal 0-110V = 95-140VTerminal 0-220V = 170-260VTerminal 0-380V = 340-520VFrequency 50 or 60 Hz selectable Power Input Voltage 40-150 VAC 3 phase Output Current Max. 10A Current Droop Max. 4 percent P.F.=0.8 Voltage Regulation andlt 0.5 percent (with 4 percent engine governing) Voltage Build-up Residual volts at AVR terminal andgt 5 VAC Voltage Output Max. 160 VDC 120 VAC External Voltage Adjustment 10 percent 1 K Ohm 1 watt trimmer Auxiliary Winding 6-150 VAC (No load rms) Response Time 0.3-1 sec. 20 percent voltage vibration LAM Voltage Droop Rate 10 percent andamp 15 percent selectable Environment Operating Temperature : -40-60 CStorage Temperature : -40-85 CRelative Humidity : Maximum 95 percent Vibration : 1.5G 5-30 Hz or 5.0G 30-500 Hz AVR Controls Functions VOLT : Voltage AdjustmentSTAB : Stability AdjustmentV or HZ : UFRO Knee Point SetEXC.MAX : Excitation Current LimitSTAT : Droop Adjustment Dimensions 203.0 (L) x 153.0 (W) x 60.5 (H) mm Weight 970g 2 percent Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store