Stamford AVR MX321 – Automatic Voltage Regulator
The MX321 is a premium Automatic Voltage Regulator (AVR) designed for Stamford brushless alternators. It provides exceptional voltage stability, rapid response to load changes, and advanced protection features to ensure consistent generator performance. Built with durable solid-state components and a fully encapsulated design, the MX321 delivers long-lasting reliability for industrial, marine, and commercial power systems.

Key Specifications:

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

• Frequency Range: 15–100 Hz

• Excitation Voltage: Max 120V DC @ 3A continuous (7A for 10s)

• Regulation Accuracy: ±0.5%

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

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

• Compatibility: Designed for Stamford alternators and compatible generator systems