AVR AS440 For Stamford Alternators

 AS440 Automatic Voltage Regulator
AS440 Automatic Voltage Regulator
is use for 50-500kw ,brushless diesel generator compatible with stamford products.

AS440 Automatic Voltage Regulator Product Detail:

Place Of Origin Taizhou,China
Brand Name YAMADA
Brand Stamford
Model Number AS440
Type Brushless
Phase 1
Self excited Yes
Alternator Power 50–500KW
AVR Can Material PP,ABS,ROHS
Package 50pcs per carton
Individual box Packing Yes, We could print customer’s logo
Produce Ability 3000pieces per day
Certification CE,ROHS
Minimum Order Quantity 2PCS
Delivery Time 5-25days
Payment Term Wire Transfer(TT),Western Union, Paypal, LC at sight
Samples Charge
Samples Ship Cost Customer pay, If you have courier No.(UPS,DHL,TNT),Please send it to us.
Loading Port Ningbo ,Shanghai, Guangzhou
Harmonized System Code(HS) 8503009090
OEM Manufacture Service Yes

AS440 Automatic Voltage RegulatorTechnical specification

Voltage:100-130Vac, 170-264Vac
Frequency :  50-60Hz nominal
Phase :  2
Power Input
Voltage:  100-264Vac   1 Phase
Frequency:  50-60Hz
Voltage:   Max.82Vdc @ 200Vac Input
Current :  Continuous 4A
Transient 7.5A for 10secs.
Field Resistance:  Min.15 ohm (Min.10 ohm when input voltage is less than 175Vac)
±1.0% (with 4% engine governing)
Under Frequency Protection
Set point     94-98%Hz
External Voltage Adjustment
±10% with 1K ohm 1 watt trimmer
Increasing resistance lowers voltage
Analogue Input
Maximum input   ±5Vdc
Sensitivity           ±1V for 5% Generator Volts
Input resistance   1k ohm
Typical System Response
AVR response
20 ms Field current to 90%
80ms Machine Volts to 97% 300ms
Thermal Drift
0.02% per deg. C change in AVR ambient
Over Excitation Protection
Set point              65Vdc
Time delay           10-15 seconds (fixed)
Vibration:  20-100Hz 50mm/sec 100Hz-2kHz  3.3g
Relative Humidity     0-70 °C  95% Operating Temperature -40°C to +70°C Storage Temperature            -55°C to +80°C

We also provide design service for customers’ demands.