Leroy Somer Voltage Regulator AVR R448

AVR Voltage Regulator R448, 1.brushless and single phase, 2.50-300kw generator avr, 3.OEM Service is available - details see: http://www.machineto.com/leroy-somer-voltage-regulator-avr-r448-10236027
Place of Origin:Fujian China (Mainland)Brand Name:ParbeauModel Number:R448Brand:Leroy Somer,brushless,50-300
Excitation:PMG/AREPPhase:SingleGenerator output power:50-300kwDimentions:210*150*65 mm
Weight:1.1KG/pcWarranty:1 yearStock:YesOEM Service:Available
Normal Shipping Express:DHL   
Leroy Somer Voltage Regulator AVR R448
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Leroy Somer Voltage Regulator AVR R448

R448 Permanent Magnet Generator or A.R.E.P or Auxiliary Winding type generator voltage regulator is a compatible replacement for Leroy Somer R448, R449, R438, and AEM110RE016 and also Olympian FG Wilson 922 124.


Technical Specification

Sensing InputTerminal 0-110V = 95~140V
Terminal 0-220V = 170~260V
Terminal 0-380V = 340~520V
Frequency 50/60 Hz selectable
Power InputVoltage 40~150 VAC 3 phase
Output CurrentMax. 10A
Current DroopMax. 4% @ P.F.=0.8
Voltage Regulation< ±0.5% (with 4% engine governing)
Voltage Build-upResidual volts at AVR terminal > 5 VAC
Voltage OutputMax. 160 VDC @ 120 VAC
External Voltage Adjustment±10% @ 1 K Ohm 1 watt trimmer
Auxiliary Winding6~150 VAC (No load rms)
Response Time0.3~1 sec. @ ±20% voltage vibration
LAM Voltage Droop Rate10% & 15% selectable
EnvironmentOperating Temperature : -40~60 °C
Storage Temperature : -40~85 °C
Relative Humidity : Maximum 95%
Vibration : 1.5G @ 5~30 Hz / 5.0G @ 30~500 Hz
AVR Controls FunctionsVOLT : Voltage Adjustment
STAB : Stability Adjustment
V/HZ : UFRO Knee Point Set
EXC.MAX : Excitation Current Limit
STAT : Droop Adjustment
Dimensions203.0 (L) x 153.0 (W) x 60.5 (H) mm
Weight970g ±2%



When you place an order, please choose a shipping method and pay for the order including the shipping fee. All the shipping fee is 20% off by DHL,If need other express pls contact me by email to

Delivery :

We do not guarantee delivery time on all international shipments due to differences in customs clearing times in individual countries, which may affect how quickly your product is inspected.

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.

Link to this item in our ALIEXPRESS STORE:http://www.aliexpress.com/store/405763

Packaging Detail:carton
Delivery Detail:within 3 days after we receive the deposit

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