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  • Stamford avr SX460 100original
  • Stamford SX460
  • SX460 voltage regulator
  • Stamford voltage regulator SX460
  • SX 460 voltage regulator
  • SX460 AVR
  • Stamford Authorized Parts Dealer plaque
Part Number:
IN STOCK, Same day shipping Worldwide available
In Store Pick Up:
Available Monday thru Friday 9AM to 5PM
Brand New, 1 Year International Warranty
Individually factory tested and certified
100% Original Made by Stamford UK (0% China)



Product Description

STAMFORD SX460 AVR E000-24602-1P

Stamford Voltage Regulator, 100% Original, 100% Made in UK


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Poor, unstable or unreliable voltage outputs from a generator will likely create anxiety for your business or home. One of the main reasons why you need an original SX460 AVR is to counter the unaffordable cost associated with downtime, loss of productivity, loss of convenience, safety hazards and equipment damage. Buying an Original Stamford SX460 AVR will deliver the dependable protection to your personnel, to your electronic sensitive equipment and ultimately to your business or loved ones that your generator was designed to deliver in the first place.


What is an Automatic Voltage Regulator?

An Original Stamford SX460 AVR, an AC alternator part, is the key component responsible both for the quality and the reliability of the power that your diesel generator produces. This small, economical but critical component is the brain behind the automatic regulation of the voltage produced by your generator.

Because in most applications the loads are both constantly fluctuating and unpredictable, the Automatic Voltage Regulator is responsible for ensuring the necessary flexibility and responsiveness that your Stamford alternator needs, allowing it to quickly respond and adapt to the load impacts at all stages of its operation.


How does the Stamford SX460 AVR function?

  • Within your Stamford alternator there is a small magnetic field, as the engine drives the generator into motion, this magnetic field will induce a small voltage on the windings of your generator, called residual voltage.
  • The AVR will derive excitation from this residual voltage and start inducing more voltage onto the generator’s exciter until the desired voltage level is reached.
  • The AVR will continue monitoring output voltage while controlling input voltage for the generator’s exciter, through decreasing or increasing generator control voltage, your generator’s output voltage decreases or increases accordingly
  • Several times per second the AVR does calculations of how much voltage needs to be sent to the exciter, creating a stable output voltage at the predetermined set point while compensating for load, engine speed, temperature and generator power factor.


Features of the Stamford SX460 Voltage regulator

In addition to regulating your generator’s voltage, the AVR circuitry offers the following features:

  • Compensating for load, speed, temperature and power factor
  • Closed loop control that provides a load regulation of +/- 1.0%
  • An adjustable damping or stability circuit
  • Under-speed protection circuit
  • LED indicating when the Under Frequency Roll-Off (UFRO) circuit is working
  • A non-condensing unit


Advantages of your SX460 Automatic voltage regulator

The Stamford AVR P/N E000-24602/1P is not a Chinese clone aftermarket part, but a 100% certified original product engineered and manufactured exclusively by Stamford in the U.K. Stamford is a division of Cummins Generator Technologies, a firm that has been providing electrical generation solutions for over 80 years. Some of the unique aspects of the Stamford SX460 voltage regulator that make it the best choice for your generator are:

  • Highly efficient semiconductors for positive voltage build up from residual voltage levels.
  • Frequency measuring circuit that provides output under speed protection of the excitation by reducing the output voltage proportionally with speed.
  • Under frequency protection at 95% of the frequency.
  • Manual adjustment of the under frequency roll off point for easy change from 50 to 60 hz.
  • Provisions that allow the use of a remote voltage trimmer when needed.
  • A low pass filter for the prevention of distorted waveforms likely to affect the AVR’s performance.
  • Suppression components that help prevent sub-cycle voltage spikes likely to damage AVR components and reduce conducted noise on generator terminals
  • 1 year international warranty
  • Professional and user friendly technical support
  • Same day worldwide shipping via FedEx, UPS, USPS, TNT and DHL


As crucial as the original decision to purchase a reliable diesel generator, the right selection of original components and generator parts will make the difference between failure and success of your standby system.

An Original Stamford SX460 AVR will not only ensure the proper operation of your equipment as per manufacturer guidelines, but will also protect your equipment, assets, coworkers or loved ones from the hazards created by poor unreliable voltage regulation. An original Stamford AVR comes with the peace of mind that you are taking good care of your investment and that you will be ready when a situation calls for your backup power system to perform.


In an industry plagued by unethical resellers of counterfeit, uncertified, replacement and low quality aftermarket parts, the decision is easy. Buy quality, buy peace of mind, buy warranty, buy performance, buy success, BUY ORIGINAL!





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