ABB 3ADT311500R1 SDCS-FEX-2A power supply board

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ABB 3ADT311500R1 SDCS-FEX-2A

Manufacturer: ABB
Part Number: 3ADT311500R1
Model: SDCS-FEX-2A
Product Type: Field Excitation Control Board / Power Supply Circuit Board
Series: ABB DCS500 / DCS600 DC Drive System

Product Description

The ABB SDCS-FEX-2A (3ADT311500R1) is a field excitation control and power supply board designed for ABB DC drive systems. It is used in DCS500/DCS600 series converters to provide controlled excitation for DC motors and ensure stable field current regulation.

The module integrates power supply functions and excitation control circuitry, enabling fast-response field excitation and reliable motor control in industrial drive applications.

Technical Specifications

Parameter	Specification
Manufacturer	ABB
Model	SDCS-FEX-2A
Part Number	3ADT311500R1
Product Type	Field Excitation Control Board / Power Supply Board
Application	ABB DCS500 / DCS600 DC Drives
Input Voltage	110–500 VAC single phase (typical range)
Isolation Voltage	Up to 600 VAC
Output	Excitation power supply output
Operating Temperature	Approx. -20°C to +70°C
Dimensions	Approx. 241 × 95 × 63 mm
Weight	Approx. 0.3–0.6 kg

Main Features

• Designed specifically for ABB DC drive excitation systems
• Provides stable field excitation control for DC motors
• High reliability for continuous industrial operation
• Compact design for easy integration into drive cabinets
• Suitable for demanding applications requiring precise motor speed and torque control

Applications

The ABB 3ADT311500R1 SDCS-FEX-2A is commonly used in:

• Steel and metal processing equipment
• Paper and pulp machinery
• Cranes and hoisting systems
• Mining equipment
• Industrial production lines
• Large DC motor drive systems

Compatible Systems

• ABB DCS500 DC Drives
• ABB DCS600 DC Drives
• Related ABB DC converter systems

Conclusion

The ABB SDCS-FEX-2A 3ADT311500R1 is a critical excitation control module for ABB DC drive platforms. With reliable field control, robust electrical design, and compatibility with ABB DCS drive systems, it is an important spare part for maintaining high-performance industrial DC motor applications.