AVR Compatible with Mecc Alte SR7-1 and SR7-2

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Automatic Voltage Regulator 6Amp for Single or Three Phase Generator.

EA07 self excited half wave type Genset Automatic Voltage Regulator is a direct replacement avr for Mecc Alte SR7-1 and SR7-2.


*Use for reference purpose only, not genuine Mecc Alte product



  • Wide Sensing Voltage Range 80~350 VAC
  • Wide Power Input Range 80~270VAC, Accepts Power Input from Main Winding or Auxiliary Winding
  • Under Frequency Protection Indication LED
  • Over Excitation Protection and Indication LED
  • EMI Suppression



      Model NO.EA07
      Sensing Input80~3500 VAC Single Phase 50/60 Hz
      Power InputVoltage 50~270 VAC
      Frequency 50/60 Hz
      Output Voltage63 VDC @ 220 VAC Input
      Output CurrentContinuous 6A, Max. Intermittent 7A for 10 sec.
      Voltage Regulation< ±1% (with 4% engine governing)
      Voltage Build-upResidual Voltage above 5 VAC 25 Hz
      External Volts Adjustment100 KΩ 1/2 watt ±5%
      Unit Power DissipationMaximum 5 watt
      Under Frequency ProtectionAdjustable range 42~62 Hz
      EMI SuppressionInternal Electromagnetic Interference Filtering
      Excitation Winding ResistanceDC Resistance 10~100Ω
      EnvironmentOperating Temperature : -40~65 °C
      Storage Temperature : -40~80 °C
      Relative Humidity : Maximum 95%
      Vibration : 1.5G @ 5~30 Hz , 5.0G @ 30~500 Hz
      AVR Controls FunctionVOLTS : Voltage Adjustment
      STAB : Stability Adjustment
      HZ. : Under Frequency Setting
      AMP. : Over Excitation Setting
      U/F : Under Frequency Protection
      O/E : Over Excitation Indication LED
      Dimensions97.0 (L) x 92.0 (W) x 39.0 (H) mm
      Weight275 g ±2%


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