ABB 3HNA024941-001 Keyboard Protection Module

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1. Product Description

The ABB 3HNA024941-001 Keyboard Protection Module is an industrial safety component designed to protect operation panels and keyboards from misuse, short circuits, or electrical damage. It can be used with drives, controllers, or other ABB industrial equipment to enhance system reliability and safety while ensuring accurate transmission of operational signals.

2. Technical Specifications

• Model: 3HNA024941-001

• Type: Keyboard Protection Module

• Applicable Equipment: ABB drives, controllers, and automation devices

• Operating Voltage: 24 V DC

• Maximum Current: ≤ 1 A

• Protection Functions: Prevents misuse, short circuit, overcurrent

• Mounting: Panel or slot installation

• Operating Temperature: -10 ℃ to +50 ℃

• Storage Temperature: -20 ℃ to +70 ℃

• Protection Class: IP20

• Standards Compliance: CE

3. Advantages and Key Features

• Comprehensive protection safeguards keyboards and operation panels from misuse, short circuits, and electrical faults.

• High reliability with industrial-grade design for long-term stable operation and reduced equipment failure.

• Easy installation with modular design for direct insertion or panel mounting, simplifying maintenance and replacement.

• Accurate signal transmission ensures operation commands are precisely conveyed to the control system.

• Strong compatibility works with multiple ABB drives, controllers, and automation equipment models.

4. Typical Applications

• Protection of ABB drive control panels

• Industrial automation device operation panels

• PLC and control module interface protection

• Motor drives and industrial control systems

• Safe operation of automated production lines

5. Precautions

• Disconnect power before installation or maintenance to prevent electric shock or equipment damage.

• Ensure the module power supply voltage meets specification.

• Avoid exposure to high humidity, dust, or corrosive environments.

• Regularly inspect the module and terminal connections for long-term reliable operation.

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

The structure and details of the product：

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