MODEL : MX-321

Category : Automatic Voltage RegulatorCompatible : Stamford MX 321

Feature < ± 0.5% Regulation For use parallel operation Compact Design Over Exc / Over Volt

RAMP, DID,DWELL,DROOPS,RMS,U/F, Over Voltage & Over Excitation function

Frequency selectable 50Hz or 60 Hz Easy Installation

SpecificationSensing Input: Voltage: 190 ~ 264 VAC 2 or 3 Phase External Volts Adjustment: ±10% with 1KΩ 1watt

Frequency: 50 / 60 Hz selectable Unit Power Dissipation: Maximum 18 WattPower Input: Voltage: 170 ~ 220 VAC 3 phase 3 wire Under Frequency: Set point 95% HzPMG: Current: 3 Ampere / phase Slope 100 ~ 300% down to 30 hz

Frequency: 100 ~ 120 Hz nominal Max Dwell 20% volts/second recoveryOutput: Voltage: Max 120 Volt DC Over excitation protection: Set point 75 VDC. Time delay 8 ~ 15 sec

Current: Continuous 4 Ampere Current limit input: Burden 10ΩIntermittent 7 Ampere for 60 Sec Sensitifity range 0.5 ~ 1 AmpereResistance min 15Ω Analog input: Max input ±5 volt DC

Volt Regulation: <±0.5% depend on engine governing Adjustable parameter: Sensitivity 1V for 5% generator VoltsVoltage Build Up: Residual volts at AVR terminal > 5VAC Input resistance 1KΩThermal Drift: 0.05% per °C Depend Ambient Droop input: Burden 10Ω. PF=0Over Voltage: Set point 300 Volt, time delay 1 second (fixed) Max sensitivity 0.22A for 5% droopDetector Input: CB Trip Coil Volts 10 ~ 30 Volt DC / 0.5 Ampere Max input 0.33A