Stamford AVR AS480 – Automatic Voltage Regulator
The AS480 is a high-performance Automatic Voltage Regulator (AVR) designed for Stamford brushless alternators. It delivers precise voltage control, rapid response to load fluctuations, and exceptional reliability. Built with solid-state technology and a fully encapsulated design, the AS480 provides superior protection against vibration, moisture, and dust — making it ideal for industrial, commercial, and marine generator 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, durable, and moisture resistant

• Compatibility: Specifically designed for Stamford alternators and compatible generator systems