EA15A3H0 pages

EA15A3H
Universal 15 Amp 1/2 Wave Self Excited 3 Phase
Voltage Sensing Automatic Voltage Regulator
Features
Voltage Regulation < +/- 0.5%
220 / 380 / 440 Vac input voltage sensing
3 phase sensing
High 15A output current
50 / 60 Hz under frequency protection
Soft start ramping
Built-in high breaking capacity fuse

Specifications
Sensing Input

Voltage

220 / 380 / 440 Vac 3 phase 3 wire

Ext. Volts Adjustment

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

Frequency

50 / 60 Hz selectable

Unit Power Dissipation

Max. 8 watts

Power Input

Voltage

100-300 Vac 1 phase 2 wire

Soft Start Ramp Time

2 sec.

Output

Voltage

Max. 90 Vdc @ 240 Vac input

Under Frequency Protection (Factory Knee Point Setting)

Current

Continuous 15A

50 Hz system presets knee point at 45 Hz

Intermittent 20A for 10 sec.

60 Hz system presets knee point at 55 Hz

Resistance Min. 4 ohms @ 35 volts output
Volts Regulation

Environment

Operation Temperature -40 - +65 °C

< +/- 0.5% (with 4% engine governing)

Storage Temperature

-40 - +85 °C

Build Up Voltage

Residual volts at AVR terminal > 5 Vac

Relative Humidity

Max. 95%

Thermal Drift

0.03% per °C change in AVR ambient

Vibration

3.3Gs @ 100-2K Hz

Mechanical Specifications

AVR Control Function
VOLT

72.0
21.5

Voltage adjustment

STAB

Stability adjustment

U/F

135.0
115.0

Setting under frequency protection knee point

Physical Specification
150.0 (L) x 135.0 (W) x 72.0 (H) mm

Weight

150.0
130.0

Dimensions

867 g +/- 2%

U/F
VOLT
STAB

5.5

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.