ABB 3ASC25H203 DAPC100 ontrol board module

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ABB 3ASC25H203 DAPC100

ABB 3ASC25H203 DAPC100 is a control board module used in ABB’s legacy ASTAT series AC drive systems. It functions as the main control circuit board responsible for drive control processing, parameter management, and communication functions within compatible ASTAT drive units.

Product Information

• Manufacturer: ABB
• Part Number: 3ASC25H203
• ABB Type Designation: DAPC 100
• Product Type: Control Board / Drive Control Module
• Series: ABB ASTAT Drive System
• Application Category: Low Voltage AC Drive Spare Part
• Country of Origin: Sweden (for listed versions)

Technical Description

The ABB DAPC100 control board is an electronic controller designed for ABB ASTAT motor drive equipment. It provides the processing and control interface required for thyristor/AC drive operation, including:

• Drive regulation and control logic execution
• Communication interface with ASTAT system components
• Parameter storage and configuration management
• Diagnostic and monitoring functions
• Interface connection for commissioning and service tools

Some versions, such as 3ASC25H203-12 DAPC 100-12 and 3ASC25H203-57 DAPC 100-57, are supplied with a CMT memory stick for configuration/program storage.

Compatible Systems / Applications

ABB 3ASC25H203 DAPC100 is mainly used as a spare control component for ABB ASTAT drive systems, including:

• ABB DARA 1000 series
• ABB DARA 1000+AO
• ABB DARA 1001
• ABB DARA 1010
• ABB DARA 2000 (depending on version)

Typical Applications

• Industrial motor speed control
• Heavy-duty AC drive systems
• Pump and fan control
• Conveyor and process machinery
• Industrial automation retrofits and maintenance

Replacement & Maintenance Notes

• Verify the exact suffix version (for example DAPC 100-12 / DAPC 100-57) before replacement.
• Backup drive parameters before replacing the control board.
• After installation, system configuration and commissioning may be required.

Conclusion

The ABB 3ASC25H203 DAPC100 Control Board is a critical spare module for ABB ASTAT legacy drive systems. It provides the core control functions required for reliable motor drive operation and remains widely used in industrial maintenance, repair, and retrofit applications.