The ABB UNITROL 1010 3BHE035302R0001 is a digital automatic voltage regulator (AVR) designed for use in small to medium-sized generators. It provides precise control of generator output voltage, ensuring stable power supply in various applications such as industrial plants, commercial buildings, and distributed generation systems. As part of ABB’s UNITROL family, it combines advanced control technology with reliability and ease of use.

Technical Specifications

• Type: Digital Automatic Voltage Regulator
• Input Voltage: 85-265V AC or 100-300V DC
• Output Current: Up to 5A (continuous)
• Control Range: ±10% of nominal voltage
• Voltage Regulation Accuracy: ≤±0.5%
• Frequency Range: 45-65Hz
• Communication Interfaces: RS485, Modbus RTU
• Protection Features: Overvoltage, undervoltage, overcurrent, and short-circuit protection
• Operating Temperature: -25°C to +55°C (-13°F to 131°F)
• Humidity: 5-95% RH (non-condensing)
• Dimensions: 177mm x 121mm x 72mm (H x W x D)
• Weight: Approximately 1.2kg

Key Features

• Digital signal processing for precise voltage control
• Automatic and manual voltage regulation modes
• Integrated PID controller with adaptive parameters
• Soft start function to reduce inrush current
• Parallel operation capability for multiple generators
• Built-in diagnostic functions with LED indicators
• Remote monitoring and control via communication interfaces
• Easy configuration through front-panel buttons and LCD display
• Compliance with international standards such as IEC, IEEE, and VDE