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Specification
AgeRangeDescription : adult
Brand : DWFSKZKV
BulletPoint1 : Model: 440F-C251D
BulletPoint2 : Type: Safedge Controllers
BulletPoint3 : Condition: New & Unused with 1 year warranty
BulletPoint4 : HuashengAutomation focuses on automation products. We have professional services experience in the field of industrial automation. We offer high-quality products, excellent pre-sales and after-sales services.
BulletPoint5 : We have large stock in the warehouse, please free free to contact us if there are any models need.
Color : Black
ExternallyAssignedProductIdentifier : 9435678103523
IncludedComponents : 1756-L85EP
ItemName : DWFSKZKV AVR-20 20A AVR Automatic Voltage Regulator Brushless Excitation Controller Diesel Genset Parts
ItemPackageDimensions_Height : 1 centimeters
ItemPackageDimensions_Length : 3 centimeters
ItemPackageDimensions_Width : 2 centimeters
ItemPackageQuantity : 1
ItemTypeKeyword : process-controllers
Manufacturer : DWFSKZKV
Material : Copper
ModelName : DWFSKZKV
ModelNumber : DWFSKZKV
NumberOfBoxes : 1
NumberOfItems : 1
PartNumber : DWFSKZKV
ProductDescription : AVR-20 20A AVR Automatic Voltage Regulator Brushless Excitation Controller Diesel Genset Parts
Description
AVR-20 measures the voltage between one of the alternator phases and the neutral point and adjusts the DC voltage applied to the excitation winding until reaching the desired voltage. The output stage of the device is a Half Wave tyhristor output associated with a free wheeling diode. Basically the unit is compatible with all brushless type alternators. A stability adjustment potentiometer is also provided for this purpose. The AVR-20 has a special relay-less electronic circuit design. The required minimum residual voltage for build up is 5 V-AC.
The unit does not include moving parts; therefore it is able to operate in highly vibrating environments. The AVR-20 includes a low frequency protection circuit. This feature reduces the output voltage during overload or engine stop. Therefore the diesel engine is protected from excessive generated by high startup currents of large electrical equipments. Similarly, the diesel engine may be stopped under load without damage. The easy connection scheme of the device allows fast and easy replacement.

INPUTS AND OUTPUTS
1) PHASE-R: Alternator phase input.
2) NEUTRAL: Alternator neutral input, internally connected to the Excitation(+) terminal.
3) EXCITATION (+): Excitation winding (+) terminal, internally connected to the Neutral terminal.
4) EXCITATION (- ): Excitation winding (- ) terminal
TECHNICAL CHARACTERISTICS
1) Phases: single phase.
2) Voltage Adjustment Range: 210-250 Volts min
3) Frequency: 50/60Hz.
4) Frequency Protection Adj. Range: 40-50Hz
5) Output Voltage: 0-115 volts-DC at 230volts
6) Output Current: 20A continuous,
7) Residual Voltage For Build Up: 5 volts minimum
8) Regulation: +/- 2% typical.
9) Power Output Stage: Half Wave tyhristor.
10) Internal Fusing: 10A (fast acting fuse)
11) Operating temp.: -10°C (14°F) to 60 °
ProductSiteLaunchDate : 2024-04-29T09:01:24.307Z
Size : One Size
SupplierDeclaredDgHzRegulation : not_applicable
SupplierDeclaredHasProductIdentifierExemption : 1
UnitCount : 1
UnspscCode : 39120000