AVR - Automatic Voltage Regulators

We stock a huge range of new and tested pre-owned AVRs from Leroy Somer, Stamford, Markon, Meccalte, Genaust, Dunlite and Sincro to name a few. Only the best quality voltage regulators can accurately control the field current of the alternator to keep the output voltage constant.


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AVR08 product image
AVR08

The AVR08 Automatic Voltage Regulator is designed for three-phase and single-phase alternators. This is a premium quality product at a reasonable price, and offers unsurpassed reliability and operating features.

  
AS440 AVR Stamford product image
AS440 AVR Stamford

The AS440 AVR is a Automatic Voltage Regulator or half wave phase controlled thyristor type AVR and forms part of the excitation system for a brushless generator. The design employs Surface Mount Technology (SMT) for high integration of features in a small footprint AVR. AS440 AVR E000-24403 to suit Stamford Newage ... Call For Special Pricing!

  
AS480 AVR Stamford product image
AS480 AVR Stamford

The AS480 is a half wave phase controlled AVR. The new design utilises surface mount components and heatsinks to produce a compact AVR assembly.

  
MX321 AVR Stamford product image
MX321 AVR Stamford

The MX321 AVR is a three phase sensed Automatic Voltage Regulator and forms part of the excitation system for a brush-less generator. Excitation power is derived from a three-phase permanent magnet generator (PMG), to isolate the AVR control circuits from the effects of nonlinear loads and to reduce radio frequency interference on the generator terminals. MX321 AVR E000-2312 to suit Stamford Newage ... Call For Special Pricing!

  
MX341 AVR Stamford product image
MX341 AVR Stamford

The MX341 AVR is a two phase sensed Automatic Voltage Regulator and forms part of the excitation system for a brush-less generator. Excitation power is derived from a three-phase permanent magnet generator (PMG), to isolate the AVR control circuits from the effects of nonlinear loads and to reduce radio frequency interference on the generator terminals. MX341 AVR E000-2412 to suit Stamford Newage ... Call For Special Pricing!

  
SX440 AVR Stamford product image
SX440 AVR Stamford

The SX440 AVR is a half-wave phase-controlled thyristor type Automatic Voltage Regulator (AVR) and forms part of the excitation system for a brush-less generator. SX440 AVR E000-24030 to suit Stamford Newage ... Call For Special Pricing!

  
SX460 AVR Stamford product image
SX460 AVR Stamford

The SX460 AVR is a half-wave phase-controlled thyristor type Automatic Voltage Regulator (AVR) and forms part of the excitation system for a brush-less generator. SX460 AVR E000-24600 to suit Stamford Newage. In addition to regulating the generator voltage, the AVR circuitry includes underspeed and sensing loss protection to ensure reliable control of the generator. This model supercedes the Series 6 range Stamford...... Call For Special Pricing!

  
R220 AVR Leroy Somer product image
R220 AVR Leroy Somer

R220 Automatic Voltage Regulator or AVR from Leroy Somer is designed to fit LSA40 alternators with shunt excitation.... These are new and GENUINE LEROY SOMER AVRs direct from the factory... Call for Special Pricing on Bulk buys!

  
R230 AVR Leroy Somer product image
R230 AVR Leroy Somer

Leroy Somer have replaced the R230 with the R250. We have genuine Leroy Somer OEM R250 Automatic Voltage Regulator (AVR) made in France in stock. Designed to fit LSA37 to LSA47.2 alternators with shunt excitation. These are new and GENUINE LEROY SOMER AVRs direct from the factory.. Special Pricing for Bulk buys!

  
R250 AVR Leroy Somer product image
R250 AVR Leroy Somer

Genuine Leroy Somer OEM R250 Automatic Voltage Regulator (AVR) made in France. Designed to fit LSA37 to LSA47.2 alternators with shunt excitation. These are new and GENUINE LEROY SOMER AVRs direct from the factory.. Special Pricing for Bulk buys!

  
R438 AVR Leroy Somer product image
R438 AVR Leroy Somer

The Leroy Somer R438 replaces the RS437 and is designed to fit LSA42.2 to LSA44.2 alternators with an AREP or PMG excitation. The R438 performs accurate reliable voltage regulation and is simple to set and adjust. Special Pricing!

  
R448 AVR Leroy Somer product image
R448 AVR Leroy Somer

The R448 Automatic Voltage Regulator or AVR from Leroy Somer is designed to fit LSA46.2 to LSA50.2 alternators with shunt and PMG exciter alternator systems. The R448 AVR is also suitable for paralleling alternators ... Special Pricing!

  
R449 AVR Leroy Somer product image
R449 AVR Leroy Somer

The R449 AVR (Automatic Voltage Regulator) is a shunt type designed to fit as standard on LSA50 to LSA54 alternators. It can powered by a power VT, the AREP field excitation system, or a single-phase or 3-phase PMG. Using the R726 external module the R449 AVR can control the power factor and can match the alternator voltage to the mains voltage prior to synchronisation. Special Pricing!

  
R450 AVR Leroy Somer product image
R450 AVR Leroy Somer

Genuine Leroy Somer OEM R450 Automatic Voltage Regulator or AVR is used for shunt and PMG exciter alternator systems. The R450 AVR is also suitable for paralleling alternators.
These are new and GENUINE LEROY SOMER AVRs direct from the factory... Call for Special Pricing on Bulk buys!

  
R731 AVR Leroy Somer product image
R731 AVR Leroy Somer

These are genuine OEM Leroy Somer R731 three phase sensing modules designed to be used with the R438, R448, R449 single phase sensing
voltage regulators. . These are new and GENUINE LEROY SOMER modules direct from the factory... Call for Special Pricing on Bulk buys!

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