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Generator Automatic Voltage Regulator 63 VDC 2.5 Amp

The EA63-2.5 is a self excited brushless type genset voltage regulator and is a compatible replacement for the original Basler AVC63-2.5.

Ex stock - shipped Worldwide. For GBP, EURO or USD pricing please contact us:

Sales: [email protected]

Office: [email protected]

Tel: +44 (0)115 923 2568 (United Kingdom)

Tel: (24-hour) +44 (0)7484709956 (United Kingdom)

*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.


  • Voltage Regulation < ±1%
  • Economical Compact Design
  • For use in 50/60 Hz Brushless Generators
  • EMI Suppression
  • Under Frequency Protection
  • 120/240 VAC Optional*
  • Built-in High Breaking Capacity Fuse*

*Original Basler model AVC63-2.5 cannot be used 120V generators and do not have fuse protection.


Model NO. EA63-2.5
Input Voltage 120(90~130) / 240(180~260) VAC 1 phase 2 wire DIP switch selectable
Frequency 45~65 Hz
Output Voltage Max. 50 VDC @ 120 VAC input , Max. 63 VDC @ 240 VAC input
Current Continuous 2.5A, Intermittent 4A for 60 sec.
Resistance Min. 25 Ohm
Voltage Regulation < ±1% (within 4% engine governing)
Voltage Build-up Residual volts at AVR terminal > 5 VAC
External Volts Adjustment ±15% with 5 K Ohm 1 watt trimmer
Unit Power Dissipation Max. 10 watt
EMI Suppression Internal electromagnetic interference filtering
Thermal Drift 0.05% per °C change in AVR ambient
Under Frequency Protection Knee point adjustable range 45~55 Hz
Environment Operating Temperature : -40~60 °C
Storage Temperature : -40~85 °C
Relative Humidity : Maximum 95%
Vibration : 1.5G @ 5~30 Hz / 5.0G @ 30~500 Hz
AVR Controls Functions VOLTS : Voltage Adjustment
U/F*: To Set the U/F Knee Point (*U/F: Under Frequency Protection)
DIP : 110V/220V option
Shock Withstands up to 20G in each X, Y, Z axes
Dimensions 101.0 (L) x 69.0 (W) x 22.0 (H) mm
Weight 107 g ±2%

*Note : All features & specifications subject to change without notice.