EA440-T

EA440 is a Self Excited Automatic Voltage Regulator, compatible with Newage SX440.

Features:

– < ±1% Regulation

– Can be used in parallel operation

– Adjustable DIP, TRIM & DROOP function

– Under frequency roll off protection

– Sensing voltage loss protection

– Under frequency LED indicator

– Soft start voltage ramping

Category:

Description

Sensing Input
Voltage
190 ~ 264 VAC, 1 phase 2 wire
Frequency
50/60Hz Single Phase
Output
Voltage
Max. 90 VDC at 207 VAC
Current
Continuous 4A
Intermittent 10 A for 10 sec.
Resistance
Min. 15 Ω
Voltage Regulation
< ±1% (with 4% engine governing)
Voltage Build-up
Residual volts at AVR terminal > 5 VAC
Thermal Drift
0.04% per °C change in AVR ambient
Soft Start Ramping
2 sec.
Unit Power Dissipation
Max. 12 watt
External Volts Adjustment
±8% with 1K O 1 watt trimmer
Under Frequency Protection
(UFRO)
Set point
95% Hz
Slope
170% down to 30 Hz
Analogue Input
Max. Input
±5 VDC
Sensitivity
1V for 5% generator volts
Input Resistance
1K Ω
Droop Input
Burden
10 Ω
Max sensitivity
0.07 A for 5% droop (PF=0)
Max. input
0.33 A

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