Stamford AVR AS440 – Automatic Voltage Regulator
The AS440 is a reliable and high-performance Automatic Voltage Regulator (AVR) designed for Stamford brushless alternators. It provides precise voltage control, fast response to load variations, and excellent stability for consistent generator output. Built with advanced solid-state technology, the AS440 offers superior protection and durability, making it ideal for industrial, marine, and commercial power applications.

Key Specifications:

• Voltage Sensing: 190–264V AC (single phase)

• Frequency Range: 15–100 Hz

• Excitation Voltage: Max 63V DC @ 4A continuous (7A for 10s)

• Regulation Accuracy: ±1.0%

• Operating Temperature: –40°C to +70°C

• Build Type: Fully encapsulated, moisture, dust, and vibration resistant

• Compatibility: Designed for Stamford alternators and equivalent generator systems