Product Attribute:
Brand:Stamford
Model:AS440
Usage:regulating voltage
N.W:0.4kg
Current type:A.C
Phase:three
Typical Clients:
Middle East,European
Production Description:
Stamford avr automatic voltage regulator AS440 is a new type avr,which can be used instead of sx440 and AS440.
Technical data:
INPUT
Voltage:Jumper selectable 95-132V ac or 190-264V ac
Freguecy:50-60 Hz nominal
OUTPUT
Voltage:Max90V dc at 207V ac input
Current:Continuous 4A dc
Intermittent 6A for 10 secs.
Resistance:15 ohms minimum
REGULATION:+/-1.0%
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Technical specification |
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Sensing input |
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Voltage |
Jumper selectable 100-130V ac 1 phase or 190-264V ac 1 phase |
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Frenquency |
50-60Hz nominal |
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Power input |
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Voltage |
100-264V ac 1 phase |
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Frequency |
50-60Hz nominal |
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Output |
|
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Voltage |
82V dc @200V ac |
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Current |
continuous 4A |
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transient 7.5A for 10 secs |
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Resistance |
15 ohms min (10 ohms min when input volts i s less than 175ac) |
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Regulation |
+/-1.0% |
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Thermal Drift |
0.03% per deg. C change in AVR ambient |
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Typical System Response |
AVR response 20ms |
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Field current to 90% 80ms |
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Machine Volts to 97% 300ms |
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External Voltage Adjustment |
+/-10% with 1 k ohm 1 watt trimmer |
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Increasing resistance lowers voltage |
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Under frequency Protection |
Set point 94-98% Hz |
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Unit power Dissipation |
12 watts maximum |
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Build Up Voltage |
4 Volts @ AVR terminals |
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Analogue input |
Maximum input +/-5V dc |
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Sensitivity 1V for 5% Generator Volts(adjustable) |
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input resistance 1k ohm |
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Quadrature Droop input |
10 ohms burden |
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Max. sensitivity: 0.07A for 5% droop 0 PF |
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Max. input: 0.33A |
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Over Excitation protection |
Set point 75V dc |
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Time delay 10-15 seconds(fixed) |
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Environmental |
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Vibration |
20-100Hz 50mm/sec |
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100Hz-2kHz 3.3g |
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Operating temperature |
-40 to +70C |
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Relative Humidity 0-70C |
95% |
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Storage temperature |
-55 to +80C |
We also supply avr as follows:
Stamford series:AVR SX460,SX440,MX341,AS480
Leroy somer avr:R230,R438,R448,R449,
Univeral avr:8A,12A,15A
THZW series:KX-2WC,KXT-2WC1B
Carbon brush type,third harmonic and compound excitation generator avr:YS-100,YS-110,YS-120,YS-130,YS160/170
Gasoline generator avr with leakage protection:2kw,3kw,5kw,8kw,10kw.
Note that buyers are responsible for all additional customs fees, brokerage fees, duties, and for importation into your country. These addition fees may be collected at time of delivery.We will not refund shipping charges for refused shipments.
The shipping cost does not include any import taxes, and buyers are responsible for customs duties.
Warranty and Returns:
Within one year,if any problem with the item,buyers can returns it to exchange another new one,buyers are responsible for the shipping fees and customs duty.
Before returning please confirm the return address and the logistics method with us. After you give the items to the logistic company, please send us the tracking number. As soon as we receive the items, we will repair or exchange them ASAP.