1. 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. 2. Voltage Regulation < 0.5% 3. Load Acceptance Module (LAM) 4. 50/60 Hz Selectable 5. Under Frequency & Exc. Max Protection 6. Single Phase Or Three Phase Voltage Sensing Optional 7. Soft Start Voltage Ramping 8. Normal Rapid Response Time (Option) 9. Sensing Input: Terminal 0-110V = 95~140V; Terminal 0-220V = 170~260V; Terminal 0-380V = 340~520V; Frequency 50/60 Hz selectable 10. Power Input: Voltage 40~150 VAC 3 phase 11. Output Current: Max. 10A 12. Current Droop: Max. 4% @ P.F.=0.8 13. Voltage Regulation: < 0.5% (with 4% engine governing) 14. Voltage Build-up: Residual volts at AVR terminal > 5 VAC 15. Voltage Output: Max. 160 VDC @ 120 VAC 16. External Voltage Adjustment: 10% @ 1 K Ohm 1 watt trimmer 17. Auxiliary Winding: 6~150 VAC (No load rms) 18. Response Time: 0.3~1 sec. @ 20% voltage vibration 19. LAM Voltage Droop Rate: 10% & 15% selectable 20. Environment: Operating Temperature: -40~60 C; Storage Temperature: -40~85 C; Relative Humidity: Maximum 95%; Vibration: 1.5G @ 5~30 Hz / 5.0G @ 30~500 Hz 21. AVR Controls Functions: VOLT: Voltage Adjustment; STAB: Stability Adjustment; V/HZ: UFRO Knee Point Set; EXC.MAX: Excitation Current Limit; STAT: Droop Adjustment 22. Dimensions: 203.0 (L) x 153.0 (W) x 60.5 (H) mm 23. Weight: 970g 2%