ABB 1KHL160006R0001B Transformer Protection Unit

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1. Product Description

The ABB 1KHL160006R0001B Transformer Protection Unit is an intelligent protection device for medium and low voltage transformers. It provides overcurrent, overvoltage, undervoltage, temperature, and internal fault detection to ensure safe and reliable operation of transformers and power systems. The unit features fast response, programmable settings, and multiple communication interfaces, making it suitable for industrial, power, and infrastructure transformer protection and monitoring.

2. Technical Specifications

• Model: 1KHL160006R0001B

• Type: Transformer Protection Unit

• Applicable Transformers: Medium/low voltage, dry-type or oil-immersed transformers

• Rated Voltage: Matched to transformer rating

• Rated Current: Matched to transformer capacity

• Protection Functions:

  • Overcurrent (OC)

  • Short-circuit (SC)

  • Undervoltage/Overvoltage (UV/OV)

  • Overtemperature (OT)

  • Internal fault alarm

• Communication Interfaces: Optional Modbus, Profibus, or other industrial protocols

• Mounting: Panel or cabinet installation

• Operating Temperature: -20 ℃ to +60 ℃

• Protection Class: IP20

• Standards Compliance: IEC 60255, CE

3. Advantages and Key Features

• Comprehensive protection
  Provides overcurrent, overvoltage, short-circuit, and temperature protection for transformers.

• Fast response
  High-speed processing ensures immediate protective action during faults to prevent damage.

• Programmable settings
  Protection thresholds can be adjusted according to transformer ratings and field requirements.

• Multiple communication interfaces
  Supports Modbus or Profibus for remote monitoring and data acquisition.

• Easy installation
  Flexible panel or cabinet mounting simplifies field installation and maintenance.

4. Typical Applications

• Medium and low voltage distribution transformer protection

• Industrial plant transformer monitoring

• Public infrastructure power systems

• Utility distribution substations

• Renewable energy and hydropower transformer protection

5. Precautions

• Always disconnect power before installation or maintenance.

• Ensure the protection unit ratings match transformer voltage, current, and capacity.

• Avoid installation in high humidity, dusty, or corrosive environments.

• Regularly inspect wiring and protection status to ensure long-term reliability.

• Do not disassemble or modify the protection unit to maintain performance and safety.

The structure and details of the product：

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