EA07

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.
  • All manufacturer names and numbers are used for reference purpose only and do not imply that any part is the product of these manufacturer.
  • Wide sensing voltage range 80 to 350 Vac for single phase sensing
  • Wide power input range 80 to 270 Vac, accepts power input from main winding or auxiliary winding
  • Under frequency protection indication LED
  • Over excitation protection and indication LED
  • EMI suppression
  •  

Specifications
Sensing Input
  • 80 to 350 Vac 1 phase 50/60 Hz
Power Input
  • Voltage 50 to 270 Vac
  • Frequency 50/60 Hz
Output
  • Voltage 63 Vdc @ 220 Vac input
  • Current Continuous 6A Max. Intermittent 7A for 10 seconds
Voltage Regulation
  • Less than +/-1% (with 4% engine governing)
Build Up Voltage
  • Residual voltage above 5 Vac 25 Hz
EMI Suppression
  • Internal electromagnetic interference filtering
External Voltage Adjustment
  • Max. +/-7% @ 100K ohms 1/2 watt potentiometer
Static Power Dissipation
  • Max. 5 watts
Over Excitation Protection
  • 40 to Max. Vdc @ 0.3 to 20 seconds
Under Frequency Protection
  • Adjustable range 42 to 60 Hz
Excitation Winding Resistance
  • DC resistance 10 to 100 ohms

AVR Control Functions
VOLT
  • Voltage adjustment
STAB
  • Stability adjustment
AMP.
  • Over excitation setting
HZ.
  • Under frequency setting
U/F
  • Setting under frequency protection knee point
O/E
  • Over excitation indication LED

Environment
Operating Temperature
  • -40 to +60 °C
Storage Temperature
  • -40 to +80 °C
Relative Humidity
  • Max. 95%
Vibration
  • 1.5 Gs @ 5 to 30 Hz
  • 5.0 Gs @ 30 to 500 Hz

Physical Specifications
Dimensions
  • 97.8 (L) x 92.0 (W) x 38.0 (H) mm
Weight
  • 275 g +/-2%
Weight 0.28 kg
Dimensions 9.78 × 9.2 × 3.8 cm

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