Marathon SE350 Voltage Regulators Replacements

EA350

Automatic Voltage Regulator 74 VDC 4 Amp

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

BrochureManual3D Display

Features

  • < ± 1% Regulation
  • Optional 120/240 VAC Sensing Input Switch(*1)
  • 50/60 Hz Selectable
  • Under Frequency Protection
  • Built-in High Breaking Capacity Fuse
  • EMI Suppression
  • *1 SE350 and AVC 63-4D only fits 220 VAC Generators, and do not have fuse protection.

Specifications : EA350

Sensing Input Voltage 120(90~132) / 240(171~264) VAC, DIP Switch Selectable
Frequency 50/60 Hz Selectable
Output Voltage Max 37 VDC @ 120 VAC input , Max 74 VDC @ 240 VAC input
Current Continuous 4A, Intermittent 7A for 60 sec.
Voltage Regulator Rate < ± 1% (with 4% engine governing)
Voltage Build Residual volts at AVR terminal > 3.5 VAC
External Voltage Adjustment ± 5% @ 1 KΩ 1 Watt
± 10% @ 2 KΩ 1 Watt
Unit Power Dissipation Max. 8 Watt
EMI Suppression Internal electromagnetic interference filtering
Under Frequency Protection(UFRO) 60 Hz system presets knee point at 55 Hz (Factory Setting)
50 Hz system presets knee point at 45 Hz (Factory Setting)
Environment Operating Temperature : -40~60 °C
Storage Temperature : -65~85 °C
Relative Humidity : Maximum 95%
Mechanical Vibration : 1.3G @ 5~26 Hz , 5.0G @ 52~1000 Hz
AVR Controls Functions VOLT Voltage : Adjustment
STAB : Stability Adjustment
U/F : UFRO Knee Point Set
Dimensions 99.5(L) x 67.0(W) x 47.5(H) mm
Weight 185 g ± 2%

Mechanical Specifications

Mechanical Specifications

▲Return to top

Notice »

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