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KUTAI AVR EA448,EA448 Automatic Voltage Regulator
EA448 Automatic Voltage Regulator 160 VDC 10 Amp
EA448 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.
Features
Voltage Regulation < ±0.5%
Load Acceptance Module (LAM)
50/60 Hz Selectable
Under Frequency & Exc. Max Protection
Single Phase Or Three Phase Voltage Sensing Optional
Soft Start Voltage Ramping
Normal Rapid Response Time (Option)
Specifications
SensingInput | Terminal0-110V=95~140V |
Terminal0-220V=170~260V | |
Terminal0-380V=340~520V | |
Frequency50/60Hzselectable | |
PowerInput | Voltage40~150VAC3phase |
OutputCurrent | Max.10A |
CurrentDroop | Max.4%@P.F.=0.8 |
VoltageRegulation | <±0.5%(with4%enginegoverning) |
VoltageBuild-up | ResidualvoltsatAVRterminal>5VAC |
VoltageOutput | Max.160VDC@120VAC |
ExternalVoltageAdjustment | ±10%@1KOhm1watttrimmer |
AuxiliaryWinding | 6~150VAC(Noloadrms) |
ResponseTime | 0.3~1Sec.@±20%voltagevibration |
LAMVoltageDroopRate | 10%&15%selectable |
Environment | OperatingTemperature:-40~60°C |
StorageTemperature:-40~85°C | |
RelativeHumidity:Maximum95% | |
Vibration:1.5G@5~30Hz/5.0G@30~500Hz | |
AVRControlsFunctions | VOLT:VoltageAdjustment |
STAB:StabilityAdjustment | |
V/HZ:UFROKneePointSet | |
EXC.MAX:ExcitationCurrentLimit | |
STAT:DroopAdjustment | |
Dimensions | 203.0(L)x153.0(W)x60.5(H)mm |
Weight | 970g±2% |