AS540 – Automatic Voltage Regulator for Stamford Generators
The AS540 is a reliable Automatic Voltage Regulator (AVR) specifically designed for Stamford brushless generators. It ensures stable voltage output, smooth response to load variations, and dependable performance across diverse applications. With its compact and fully encapsulated design, the AS540 provides superior protection against vibration, dust, and moisture, guaranteeing long-lasting durability and consistent generator performance.

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, vibration and moisture resistant

• Compatibility: Designed for Stamford generator models and equivalent systems