HT INDUSTRIAL AUTOMATION LIMITED

KUTAI AVR Automatic Voltage Regulator EA448 EA448B

KUTAI EA448  EA448B Product Specification Download.pdf

100% Brand New Original Kutai AVR made in TaiWan for sale.

Original Kutai Leroy Somer Series AVR: ADVR-250, EA230, EA448, EA448B

Automatic Voltage Regulator 160 Vdc 10 Amp

EA448 EA448B KUTAI AVR Permanent Magnet Generator or A.R.E.P or Auxiliary Winding type generator voltage regulator is a compatible replacement for Leroy Somer R448 R449 R438 AVR and AEM110RE016 and also Olympian FG Wilson 922 124 and 922-124 AVR .

Features for KUTAI EA448 EA448B AVR:

Ø  Voltage regulation < +/-0.5%

Ø  Load acceptance module (LAM)

Ø  50/60 Hz selectable

Ø  Under frequency & Exc. max protection

Ø  Single phase or three phase voltage sensing optional

Ø  Soft start voltage ramping

Ø  Normal rapid response time (option)

Ø  Apply with KUTAI IVT-1260/IVT-2460 to exceeds normal generator motor starting capabilities

Specifications for EA448 KUTAI AVR:

Sensing Input Terminal0 – 110V = 95 – 140VTerminal0 – 220V = 170 – 260VTerminal0 – 380V = 340 – 520VFrequency50/60 Hz selectable

Power Input Voltage40 to 150 Vac 3 phase

Output Current Max. 10A

Current Droop Max. 7% @ P.F.=0.7

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

Build Up Voltage Residual volts at AVR terminal > 5 Vac

Voltage Output Max. 160 Vdc @ 120 Vac

External Voltage Adjustment +/-10% @ 1 kΩ 1 watt trimmer

Auxiliary Winding 6 – 150 Vac (No load rms)

Response Time 0.3 to 1 second @ +/-20% voltage vibration

LAM Voltage Droop Rate 4.5 to 6.5V/Hz @ 220 Vac selectable

Environment Operating Temperature-40 to +60 °CStorage Temperature-40 to +85 °CRelative HumidityMax. 95%Vibration1.5Gs @ 5 to 30 Hz

5.0Gs @ 30 to 500 Hz

AVR Control Functions VOLTVoltage adjustmentSTABStability adjustmentV/HZUFRO knee point setEXC.MAXExcitation current limitSTATDroop adjustment

Physical Specifications for EA448 EA448B KUTAI Voltage Regulator:

Dimension:  200.0 (L) x 140.0 (W) x 62.0 (H) mm

Weight:  970 g +/-2%