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Kutai Voltage Regulator AVR EA15A3H EA63-7D EA42-7

EA63-7D AVR

EA42-7 AVR

 

introduction

Warranty: 1 Year

Gross Weight: 0.5 kg

Stock Status: In stock

Part No. : EA42-7, EA63-7D

Replaced Brand: Kutai, Stamford

Function: Kutai Auto Voltage Regulator

Usage: Kutai AVR EA42-7

Compatible with: Kutai AVR EA63-7D

Product Name: Kutai Voltage Regulator EA42-7

Kutai Voltage Regulator AVR EA15A3H EA63-7D EA42-7

Generator Automatic Voltage Regulator 15 Amp 3 Phase Sensing 

 

EA42-7 Product Specification Download.pdf


We have Kutai EA15A3H AVR EA42-7 AVR Kutai EA63-7D AVR in our regular stock!

The Brands / Part No. here are for reference purpose only, our parts can exactly replace the original ones.


Features of KUTAI AVR EA15A3H

EA15A3H 15 Amp 3 phase sensing self excited brushless type genset voltage regulator is an universal AVR to replace genset with 3 phase sensing requirement.

·         Voltage regulation less than +/-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 of EA15A3H KUTAI AVR 

Sensing Input

Voltage : 220/380/440 Vac 3 phase 3 wire

Frequency : 50/60 Hz selectable

Power Input

Voltage : 100-300 Vac 1 phase 2 wire

Output

Voltage : Max. 90 Vdc @ 240 Vac input

Current : Continuous 15A Intermittent 20A   for 10 seconds

Resistance : Min. 4 ohms @ 35 volts output

Volts Regulation

Less than +/-0.5% (with 4% engine   governing)

Build Up Voltage

Residual volt. at AVR terminal > 5 Vac

External Volts Adjustment

+/-15% with 5KΩ 1 watt trimmer

Unit Power Dissipation

Max. 8 watts

Soft Start Ramp Time

2 seconds

Thermal Drift

0.03% per °C change in AVR ambient

Under Frequency Protection

50 Hz system presets knee point at 45 Hz

60 Hz system presets knee point at 55 Hz

Environment

Operation Temperature : -40 to +65 °C

Storage Temperature : -40 to +85 °C

Relative Humidity : Max. 95%

Vibration : 3.3Gs @ 100-2K Hz

AVR Control Function

VOLT : Voltage adjustment

STAB : Stability adjustment

U/F : Setting under frequency protection   knee point

Dimension

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

Weight

867 g +/-2%

 

Features of KUTAI EA63-7D AVR 

Sensing Input
Voltage 220 ~ 252 VAC ± 10%, 1 phase
Frequency 50 / 60 Hz selectable

Power Input
Voltage 200 ~ 260 VAC ± 10%, 1 phase 2wire
Frequency 50 / 60 Hz

Output
Voltage Max. 42 VDC
Current Continuous 7A
Intermittent 15A for 10 sec
Resistance Min. 6 ohm Max. 105 ohm

Voltage Regulation
< ± 1 % ( with 4% engine governing )

Voltage Build-up
Residual voltage at AVR terminal > 5 VAC

Voltage Adjustable Range
180 ~ 277 VAC

Thermal Drift
0.05% per °C change in AVR ambient

External Volts Adjustment
± 1 0% with 1 K ohm 1 watt trimmer

EMI Suppression
Internal electromagnetic interference filtering

Unit Power Dissipation
Max. 20 watt

Under Frequency Protection (Factory Setting)
60 Hz system presets knee point at 55 Hz
50 Hz system presets knee point at 45 Hz

Over Excitation Shutdown
Field volts shut down after a time delay
If exciter field volts exceed 52 ± 2 VDC

Quadrature Droop
Max. Sensitivity 1 VAC 2%
Max. Input 5 VAC @ 5 ohm Burden

Dimensions: 140mm L * 125mm W * 79.4mm H

Weight : 680g ± 2%

 

Features of KUTAI EA42-7 AVR

 

Sensing Input
Voltage 220 ~ 252 VAC ± 10%, 1 phase
Frequency 50 / 60 Hz selectable

Power Input
Voltage 200 ~ 260 VAC ± 10%, 1 phase 2wire
Frequency 50 / 60 Hz

Output
Voltage Max. 42 VDC
Current Continuous 7A
Intermittent 15A for 10 sec
Resistance Min. 6 ohm Max. 105 ohm

Voltage Regulation
< ± 1 % ( with 4% engine governing )

Voltage Build-up
Residual voltage at AVR terminal > 5 VAC

Voltage Adjustable Range
180 ~ 277 VAC

Thermal Drift
0.05% per °C change in AVR ambient

External Volts Adjustment
± 1 0% with 1 K ohm 1 watt trimmer

EMI Suppression
Internal electromagnetic interference filtering

Unit Power Dissipation
Max. 20 watt

Under Frequency Protection (Factory Setting)
60 Hz system presets knee point at 55 Hz
50 Hz system presets knee point at 45 Hz

Over Excitation Shutdown
Field volts shut down after a time delay
If exciter field volts exceed 52 ± 2 VDC

Quadrature Droop
Max. Sensitivity 1 VAC 2%
Max. Input 5 VAC @ 5 ohm Burden

Dimensions :140mm L * 125mm W * 79.4mm H

Weight: 680g ± 2%

HT Industrial Automation Limited
(Chongqing HT Electronic Tech. Limited)
Tel: 0086-023-85551980
Fax: 0086-023-85551980
Mobile: 0086-13452987773
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JiangJin District,Chongqing,China

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