Automatic Voltage Regulators
Automatic voltage regulators for STAMFORD alternators. Explore STAMFORD MX321, MX341, AS440, AS480 and SX460 AVRs for marine and land gensets.
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The STAMFORD AVR Series
What is the product family?
The STAMFORD AVR series includes automatic voltage regulators designed for STAMFORD alternators. The range features the MX321, MX341, MX322, AS440, AS480, AS540 and SX460.
Where is it used?
STAMFORD AVRs are commonly used on STAMFORD and Newage alternators in marine and land generator sets, where they regulate output voltage.
Models, compatibility and lifecycle
Models within the range differ in excitation type and features. Match the AVR model and the alternator before replacing a unit.
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Frequently asked questions
Questions buyers often ask about Stamford AVR products. Not answered here? Contact us.
Which order number should I send for Stamford Automatic Voltage Regulators parts?
The complete order number from the label of the existing unit, including every suffix, with the hardware revision and firmware version where shown. Parts in the same family can look alike and still differ.
How quickly do Stamford Automatic Voltage Regulators parts ship?
Usually ships within 3 to 7 working days of order confirmation. The exact lead time depends on the part and is stated on your quote.
What condition are Stamford Automatic Voltage Regulators parts supplied in?
New, factory sealed. The condition is also stated on your quote.
Do Stamford Automatic Voltage Regulators parts come with a warranty and testing?
Every product comes with a written warranty. The period depends on the model and its condition, and is stated on your quote before you order. Testing depends on the product, ranging from visual inspection to full functional testing, and is confirmed on your quote.
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