Generator AVR SE350 voltage regulator SE350 Voltage stabilizer voltage governor < ± 1% Regulation Optional 120/240 VAC Sensing Input Switch (SE350 and AVC 63-4D only suits 220 VAC Generators,and do not have fuse protection) 50/60Hz Selectable Under Frequency Protection Built-in High Breaking Capacity Fuse EMI Suppression Sensing Input Voltage:120(90~132) / 240(171~264) VAC, DIP Switch Selectable Frequency: 50/60 Hz Selectable Output Voltage: Max 37 VDC @ one hundred twenty VAC input , Max 74 VDC @ 240 VAC enter Current: Continuous 4A, Intermittent 7A for 60 sec Voltage Regulator Rate: < ± 1% (with 4% engine governing) Voltage Build Residual volts at AVR termina:l > 3 VAC External Voltage Adjustment :±5% @ 1 K? 1 Watt±10% @ 2 K? 1 Watt Unit Power Dissipation :Max eight Watt EMI Suppression Internal electromagnetic interference filtering Under Frequency Protection(UFRO): 60 Hz formulation presets knee level at 55 Hz (Factory Setting) 50 Hz formulation presets knee point at 45 Hz (Factory Setting) Environment Mechanical Vibration : 1 G @ 5~26 Hz , five G @ 52~1000 Hz Relative Humidity : < 95% Operating Temperature : -40~60 °C Storage Temperature : -65~85 °C AVR Controls Functions VOLT Voltage : Adjustment STAB : Stability Adjustment U/F : UFRO Knee Point Set