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 Third-Party BizVerify
Shenzhen Graigar Technology Co., Limited
Verified By : SMR
Verified Date : 2019-04-18

Product Catalog 

 

Stamford Generator AVR EA440 Auto Voltage Regulator EA440

  • Stamford Generator AVR EA440 Auto Voltage Regulator EA440
  • Stamford Generator AVR EA440 Auto Voltage Regulator EA440
  • Stamford Generator AVR EA440 Auto Voltage Regulator EA440
Model No.︰ EA440
Brand Name︰Stamford
Country of Origin︰China
Unit Price︰US $ 68 / pc
Minimum Order︰1 pc
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Product Description

Stamford Generator AVR EA440 Auto Voltage Regulator EA440
 

 

EA440 self excited brushless type genset voltage regulator is a compatible replacement for Newage Stamford SX440 and Onan 305-0824.

Features

  • Voltage Regulation < ±1%
  • Can Be Use 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

Specifications

 

Sensing Input Voltage 190~264 VAC 1 phase 2 wire
Frequency 50/60 Hz selectable
Output Voltage Max. 90 VDC at 207 VAC
Current Continuous 4A, Intermittent 10A for 10 Sec.
Frequency Min. 15 Ohm
Voltage Regulation < ±1% (with 4% engine governing)
Voltage Build-up Residual volts at AVR terminal > 5 VAC
External Volts Adjustment ±8% with 1 K Ohm 1 watt trimmer
Unit Power Dissipation Max. 12 watt
Thermal Drift 0.04% per °C change in AVR ambient
Under Frequency Protection (UFRO) Set point 95% Hz
Slope 170% down to 30 Hz
Soft Start Ramping 2 Sec.
Analogue Input Max. Input ±5 VDC
Sensitivity 1V for 5% generator volts
Input Resistance 1 K Ohm
Droop Input Burden 10 Ohm
Max. sensitivity 0.07A for 5% droop (PF=0)
Max. input 0.33A
Environment Operating Temperature : -40~70 °C
Storage Temperature : -40~85 °C
Relative Humidity : Maximum 95%
Vibration : 3.3G @ 100~2 KHz
AVR Controls Functions VOLT : Voltage Adjustment
STAB : Stability Adjustment
U/F*: To Set the U/F Knee Point
(*U/F: Under Frequency Protection)
DROOP : Droop Adjustment
TRIM : Analogue Input Adjustment
DIP : U/V Rate Set
Dimensions 150.0 (L) x 135.0 (W) x 48.0 (H) mm
Weight 418g ±2%
 
Price Terms︰FOB Shenzhen
Payment Terms︰TT/LC/Western Union/Paypal
Packing︰EXPORT CARTON
Lead Time︰3 days
Product Image




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