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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 R450 Marine Generator Brushless AVR Single Phase AC Voltage Regulator, Ce RoHS Split Core Current Transformer Manufacturer Flexible Low Voltage CT for Energy Monitoring, Top Sell Three Phase Power Capacitor for Capacitor Battery and so on.

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Supplier Homepage Product Generator AVR controller Automatic voltage regulator AVR R450 Marine Generator Brushless AVR Single Phase AC Voltage Regulator

R450 Marine Generator Brushless AVR Single Phase AC Voltage Regulator

Purchase Qty.:
10-99 100-999 1,000+
FOB Unit Price: US $157.26 US $156.26 US $155
Purchase Qty. (Pieces) FOB Unit Price
10-99 US $157.26
100-999 US $156.26
1,000+ US $155
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.: R450
  • 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
R450  marine generator brushless avr single phase ac voltage regulator 

R450 AVR is powered by two auxiliary windings which are independent of the voltage equal circuit. The power supply voltage is rectified and filtered before being used by the AVR monitoring transistor. With PMG excitation, a permanent magnet generator (PMG) added to the alternator supplies the AVR with voltage.


On Application of load, the rotation speed of the generator set deceases, when it passes below the preset frequency threshold the LAM causes the voltage to drop by approximately13% or 25% and consequently the quantity of active load applied is reduced by approximately 25% to 45%, until the speed reaches its rated value again. Hence the LAM can be used either to reduce the speed variation (frequency) and its duration for a given applied load, or to increase the applied load probable for one speed variation (turbo-charged engine).


1. Leroy SomerAutomatic Voltage Regulator R450

2. Single or three phase voltage sensing with optional module.
3. Load acceptance module, PMG / AREP excitation system
4. Phase to phase voltage sensing.
5. Suitable for high levels of vibration and harsh environments      


Main characteristics:


 Voltage regulation +/- 0.5% at steady state and constant speed.

 Control by transistor means that the regulation quality is independant of applied load.

 Phase to phase voltage sensing.

 Suitable for high levels of vibration and harsh environments.

Integrated "LAM" and " auto adaptative LAM" system to cope with load impacts applied to the engine

AREP or PMG excitation with normal or fast response.

Single or three phase voltage sensing with optional module.

Rotating switch facilitating selection.

 Voltage 230± 2V 
 Voltage Steady Range ± 1V
 Starting Excitation Voltage ≥1.5V 
 Loading Capacity With 110% loading, the regulator can work normally
 Output Voltage Steady on hot and cool condition ≤2V 
 Temperature float on Output Voltage ≤2V 

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