Marathon SE350 Voltage Regulators Replacements

EA350

Automatic Voltage Regulator 73 Vdc 3.5 Amp

EA350 self excited brushless type genset voltage regulator is a compatible replacement for Marathon SE350 regulator and Basler AVC63-4D regulator.

  • SE350 and AVC 63-4D only fits 220 Vac generators, please use EA350-220V for direct replacement.
CE logo EN61204-3:2001 Certified

Brochure

Manual

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  • All manufacturer names and numbers are used for reference purpose only and do not imply that any part is the product of these manufacturer.

Features

  • Voltage regulation < +/-1%
  • Optional 120/240 Vac sensing input switch
  • 50/60 Hz selectable
  • Under frequency protection
  • Built-in high breaking capacity fuse
  • EMI Suppression

Specifications

Sensing & Power Input
Voltage
120 (85 to 135) / 220 (190 to 240) Vac DIP switch selectable
Frequency
50/60 Hz jumper selectable
Output
Voltage
Max. 36 Vdc @ 120 Vac input
Max. 73 Vdc @ 240 Vac input
Current
Continuous 3.5A
Intermittent 7A for 10 seconds
Resistance
Min. 15 ohms
Max. 100 ohms
Voltage Regulation < +/-1% (with 4% engine governing)
Build Up Voltage Residual volts at AVR terminal > 5 Vac
EMI Suppression Internal electromagnetic interference filtering
External Voltage Adjustment +/-5% @ 1 kΩ 1 watt trimmer
+/-10% @ 2 kΩ 1 watt trimmer
Unit Power Dissipation Max. 8 watts
Under Frequency Protection
(Factory Setting)
50 Hz system presets knee point at 45 to 51 Hz
60 Hz system presets knee point at 54 to 61 Hz
Environment
Operating Temperature
-40 to +60 °C
Storage Temperature
-65 to +85 °C
Relative Humidity
Max. 95%
Vibration
1.3Gs @ 5 to 26 Hz
5.0Gs @ 52 to 1000 Hz
AVR Control Functions
VOLT
Voltage adjustment
STAB
Stability adjustment
U/F
Setting under frequency protection knee point
Dimension 98.7 (L) x 67.0 (W) x 47.5 (H) mm
Weight 205 g +/-2%

Diagram and Dimensions

CE Test Standards

CE logo
  • EN61204-3:2001
    • CISPR 22 Class B
    • IEC61000-3-2:2005+A1:2800+A2:2009
    • IEC61000-3-3:2008
  • EN61204-3:2001
    • IEC61000-4-2:2008                       IEC61000-4-3:2006+A1:2007+A2:2010
    • IEC61000-4-4:2004+A1:2010        IEC61000-4-5:2005
    • IEC61000-4-6:2008                       IEC61000-4-11:2004