AVR R448
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AVR R448 – Automatic Voltage Regulator
The R448 is a reliable and high-performance Automatic Voltage Regulator (AVR) designed for brushless alternators. It delivers precise voltage control, fast transient response, and excellent load regulation. With its durable construction, built-in protection features, and adjustable settings, the R448 ensures stable generator performance and long-term reliability for both industrial and commercial power systems.
Key Specifications:
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Voltage Sensing: 190–520V AC (three phase)
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Frequency Range: 15–100 Hz
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Excitation Voltage: Max 110V DC @ 4A continuous (7A for 10s)
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Regulation Accuracy: ±0.5%
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Operating Temperature: –40°C to +70°C
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Build Type: Fully encapsulated, resistant to vibration and moisture
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