Kutai Electronics Co., Ltd.

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Automatic Voltage Regulator

Product ID: EA04A

EA04A

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Self Excited Automatic Voltage Regulator
Compatible With Basler* Models VR63-4 & VR63-4A

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Specifications:

Sensing & Power Input

Voltage: 120 (90 ~ 132) / 240 (171 ~ 264) VAC, Dip switch selectable
Frequency: 50 / 60Hz selectable

Output

Voltage: Max. 32 VDC @120 VAC input
Voltage: Max. 63 VDC @240 VAC input
Current: Continuous 4A
Intermittent: 7A for 60 sec.

Voltage Build-up: Residual voltage at AVR terminal > 5 VAC
Thermal Drift: 0.05% per °C change in AVR ambient
External Volts Adjustment

± 15% with 1K Ω 1 watt trimmer.

Unit Power Dissipation: Max. 8 watt
EMI Suppression: Internal electromagnetic interference filtering
Under Frequency Protection

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

Over Excitation Shutdown

Field volts shut down after a time delay if exciter field volts exceed 100 ±5 VDC.

Features:

< ± 1% Regulation.
For Use In 50/60 Hz Brushless Generators
Optional 120/240 VAC** Sensing Voltage Switch
Under Frequency & Over Excitation Protection
Built-in High Breaking Capacity Fuse

** 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.

EMI Suppression

Main Products:
Engine control unit, Transfer Switch, Generator Voltage Regulator, Automatic Transfer Switch, Automatic Voltage Regulator, Automatic Battery Charger, Electronic Governor Controller, ATS Controller and Genset Controller