EA04A0 pages

EA04A
Self Excited Automatic Voltage Regulator
Compatible with Basler* VR63-4 & VR63-4A regulator

Features
Voltage regulation < +/- 1%
For use in 50 / 60 Hz brushless generators
Optional 120 / 240 Vac sensing voltage switch*1
Under frequency & over excitation protection
EMI suppression
Built-in high breaking capacity fuse*1

*1 Basler model VR63-4A only fits 120 Vac generators, and Basler model
VR63-4 only fits 240 Vac generators respectively, and both original Basler
models do not have fuse protection.

*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.

Specifications
Sensing & Power Input

Voltage

120 (90-132) / 240 (171-264) Vac

External Volts Adjustment

DIP switch selectable

+/- 15% with 1K ohm 1 watt trimmer

Over Excitation Shutdown

Frequency

50 / 60 Hz selectable

Field volts shut down after a time delay if exciter

Voltage

Output

Max. 32 Vdc @ 120 Vac input

field volts exceed 100 +/- 5 Vdc

Max. 63 Vdc @ 240 Vac input
Current

Under Frequency Protection (Factory Knee Point Setting)

Continuous 4A

50 Hz system presets knee point at 45 Hz

Intermittent 7A for 60 sec.
Resistance

Min. 15 ohms Max. 100 ohms

60 Hz system presets knee point at 55 Hz
Environment

Operation Temperature

-40 - +60 °C

Volts Regulation

< +/- 1% (with 4% engine governing)

Storage Temperature

-40 - +85 °C

Build Up Voltage

Residual volts at AVR terminal > 5 Vac

Relative Humidity

Max. 90%

Voltage Thermal Drift

0.05% per °C change in AVR ambient

Vibration

1.5Gs @ 5-30 Hz

EMI Suppression

Internal electromagnetic interference filtering

Unit Power Dissipation

Max. 8 watts

Mechanical Specifications

5.0Gs @ 30-500 Hz

AVR Control Function
VOLT

Voltage adjustment

STAB

33.0

68.5
63.5

Stability adjustment

Physical Specification
100.0 (L) x 68.5 (W) x 33.0 (H) mm

Weight
100.0
90.0

Dimensions

230 g +/- 2%

STAB.

VOLT.

440.0
130.0

5.0

TEL : +886-7-8121771
FAX : +886-7-8121775
Headquarters : No.3, Lane 201, Chien Fu St., Chyan Jenn Dist., Kaohsiung 80664, TAIWAN
Please link to http://www.kutai.com.tw for detailed manual.