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R438 Leroy Somer AVR Automatic Voltage Regulator

R438 Leroy Somer AVR Automatic Voltage Regulator
Price: US $ 74-76.62/Piece
Trade Terms: FOB,CFR,CIF
Min Order: 10/Piece
Pay Type: L/C,T/T,Paypal,Money Gram,Western Union

The R438 AVR is powered by two auxiliary windings which are self-sufficient of the voltage match circuit, the first winding has a voltage in proportion to that of the alternator(characteristic shunt), the second has a voltage in proportion to the stator current(compound characteristic: booster effect). The power supply voltage is rectified and filtered before being used by the AVR monitoring transisitor.

1.itable for high levels of vibration and harsh environments

2.and overload current:8A-10s 

3.ase to phase voltage sensing

4.andard power supply: AREP or PMG

 Voltage Regulation  ±0.5%
 Remote voltage adjustment range ±0.5%
 Short circuit capability 3 x Irated for 10 seconds
 Standard power supply AREP or PMG
 Rated overload current 8 A - 10 s
 Voltage sensing 5 VA isolated via transforme
 0-110V terminals 95 to 140V
 0-220V terminals 170 to 260V
 0-380V terminals 340 to 520V
 Voltage regulation ± 1%
 Current sensing C.T.2.5VA cl1,secondary 1 A 
 Voltage sensing 95~140 volts (50/60 Hz) 
 170~260 volts (50/60 Hz) 
 340~520 volts (50/60 Hz)
 Fit for 1000 series generator
 2000 series generator
 3000 series generator

Prod Model: R438
Markets: North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe
Purpose: Generator
Input Voltage: 160~260V
Resistance: 10ohms Minimum
Phase: Single and Three Phase
Function: Paralleling Fucntion
Sensing Input Voltage: 190 -264V AC Max,2 or 3 Phase
Output Voltage: Max 120V AC
Max Input Current: 0.33A
Test.Temperature: 75 Degree
Set Point: 75VDC
We are the professional manufacturing the 0.5-35 KV outdoor indoor, dry type, oil-immersed, combined transformer, electrical energy meter, power capacitor correction bank, low voltage stablizer and so on

We are the first one who been granted the transformer production license by National technical supervise bureau, Machinery industry Dept, national electrician committee.

The company holds the registered capital of RMB1 0, 000, 000.00, and her importing & exporting amount each year exceeds USD 1, 000, 000.00, The company is provided with the Management Dept, Marketing Dept, Engineering & Technology Dept, Quality Control Dept, Material Supply Dept, Production Planning Dept, Financial Dept and so on. Currently it has 309employees, including 6 engineers and 10 technicians. The company has a strong technical force, advanced production and test equipment and the world latest manufacturing process and technology to adequately meet the customer needs for quality.

Our products are not only largely meet with the demand of domestic customers, but also widely exported the markets of North and South America, Southeast Asia, Middle-east, Latin America, Africa, and Europe with a very good reputation.

Some products have been approved by CE and IEC certificates.

As we hopefully steeping into the newest century, welcome new and old clients to make a good or Better business cooperation relationship.

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  • Yueqing Heyi Electrical Co., Ltd.

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