Foshan Leadtech Electric Co., Ltd.

SX440 AVR

SX440 AVR
Product Detailed

Stamford AVR SX440
Automatically Voltage Regulator
OEM Service Available
Strictly testing, Good quality control.

 

Stamford AVR (Automatically Voltage Regulator) SX440

Sensing Input

Terminal 0-110V = 90~150V

Terminal 0-220V = 175~260V

Terminal 0-380V = 350~520V

Power Input

Voltage 100~264 VAC, Single Phase

Output

Voltage Max. 90 VDC at 207 VAC

Current Continuous 4 ADC, Intermittent 10A for 10 sec.

Thermal Drift

0.05% per °C change in AVR ambient

DROOP Input

Max. input 0.33A

Burden 10 Ω

0.07A for 5% droop (PF=0)

Under Frequency Protection

U/F Potentiometer 45~60 Hz

Voltage Regulation

< ± 1% (with 4% engine governing)

External Volts Adjustment

±8% @ 1 KΩ

Voltage Build-up

Residual volts at AVR terminal > 5 VAC

EMI Suppression

Internal Electromagnetic Interference Filtering

Exciter Resistor

DC Resistance 20~100 Ω

Analogue Input

Max. Input ±5 VDC Input Resistance 1 KΩ

1V for 5% generator volts

Unit Power Dissipation

Max. 12 Watt

Environment

Vibration : 1.5 G @ 5~30 Hz , 5.0 G @ 30~500 Hz

Relative Humidity : < 95%

Operating Temperature : -40~60 °C

Storage Temperature : -40~85 °C

AVR Controls Functions

VOLT : Voltage Adjustment

STAB : Stability Adjustment

U/F : UFRO Knee Point Set (U/F: Under Frequency Protection)

DROOP : Droop Adjustment

TRIM : Analogue Input Adjustment

DIP : U/V Rate Set

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