Gold Member Since 2015
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Yueqing Heyi Electrical Co., Ltd.

Automatic Voltage Regulator for Generator Set, Generator Voltage Regulator, AVR for Generator manufacturer / supplier in China, offering R438 Leroy Somer AVR Automatic Voltage Regulator, Convenient Installation Single Phase Sts DIN Rail Prepaid Energy Meter, Flexible Tariff Setting Sts DIN Rail Prepaid Energy Meter and so on.

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Supplier Homepage Product Generator AVR controller Automatic voltage regulator AVR R438 Leroy Somer AVR Automatic Voltage Regulator

R438 Leroy Somer AVR Automatic Voltage Regulator

Purchase Qty.:
(Pieces)
10-99 100-999 1,000+
FOB Unit Price: US $76.62 US $75.62 US $74
Purchase Qty. (Pieces) FOB Unit Price
10-99 US $76.62
100-999 US $75.62
1,000+ US $74
Get Latest Price
Production Capacity: 100000PCS/ Month
Transport Package: 0.35kg/18*13*4cm/Per PC
Payment Terms: L/C, T/T, Paypal, Money Gram, Western Union

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Basic Info
  • Model NO.: R438
  • Input Voltage: 160~260V
  • Phase: Single and Three Phase
  • Sensing Input Voltage: 190 -264V AC Max,2 or 3 Phase
  • Max Input Current: 0.33A
  • Set Point: 75VDC
  • Specification: Rosh package
  • Purpose: Generator
  • Resistance: 10ohms Minimum
  • Function: Paralleling Fucntion
  • Output Voltage: Max 120V AC
  • Test.Temperature: 75 Degree
  • Trademark: OEM/HEYI
  • Origin: Zhejiang Yueqing
Product Description

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

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