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ABB SDCS-PIN-48-SD Pulse Transformer Board

The ABB SDCS-PIN-48-SD (Ordering No. 3BSE004939R1012) serves as the pulse transformer board in the power interface section of ABB DCS thyristor converters. It typically works together with measurement boards such as SDCS-PIN-51 or SDCS-PIN-5x series. The board contains multiple pulse transformers with integrated amplifiers to provide isolated, high-current gate pulses to the thyristors, ensuring precise firing control while maintaining galvanic isolation between control and power circuits. It is commonly used in medium to high-power DC drive applications.

• Pulse Transformation & Isolation: Multiple pulse transformers for safe thyristor gate firing with high galvanic isolation.

• Multi-Channel Design: Supports 6 channels (suitable for 3-phase bridge configurations).

• Robust Amplification: Integrated amplifiers for reliable pulse delivery.

• Compatibility: Designed for use with SDCS-PIN-51 / PIN-5x measurement boards in DCS converters.

• High Reliability: Built for harsh industrial environments with excellent noise immunity.

• 2Q / 4Q Support: Configurable for single or dual (anti-parallel) bridge setups.

• Easy Maintenance: Modular plug-in design for quick replacement in converter modules.

• Proven in Field: Widely used in legacy and current DCS 500/600/800 systems. 

• Product Type: Pulse Transformer / Firing Interface Board

• Ordering Code: SDCS-PIN-48-SD, 3BSE004939R1012 (and variants)

• Channels: 6 pulse channels (for 3-phase thyristor bridges)

• Isolation: High galvanic isolation (typically kV level between control and power)

• Power Supply: 24 VDC (supplied by the drive system)

• Compatibility: ABB DCS500, DCS600, DCS800 thyristor converters (models C3/C4 and similar)

• Dimensions (approx.): 231 mm × 91 mm × 20 mm

• Weight: Approx. 0.328 kg

• Mounting: Installed in converter electronic tray, connected via flat cables / headers

• Operating Temperature: Industrial range (0°C to +70°C typical)

• Variants: Coated versions available for enhanced protection

• High-power DC motor drives (rolling mills, cranes, extruders, etc.)

• Metal processing, mining, and heavy industry

• Paper, cement, and chemical production lines

• Retrofit and spare parts for existing DCS 500/600 systems

• Thyristor converter maintenance in power electronics cabinets

Q: What is the main function of the ABB SDCS-PIN-48-SD?A: It is a pulse transformer board that provides isolated firing pulses to thyristor gates in ABB DC drive converters.

Q: Which converters is it compatible with?A: Primarily DCS 500, DCS 600, DCS 800 series thyristor converters, often paired with SDCS-PIN-51 measurement boards.

Q: How many pulse channels does it have?A: 6 channels, suitable for standard 3-phase bridge configurations (expandable for 4Q or parallel setups).

Q: Does it require a specific measurement board?A: Yes, it typically works together with SDCS-PIN-51 or equivalent power interface/measurement boards.

Q: Is a coated version available?A: Yes, coated variants exist for better environmental protection in humid or dusty conditions.

Q: What is the ordering number?A: 3BSE004939R1012 (common for the SD version).

Do you provide global shipping services?

Yes. We have local distribution centers on all continents, which can quickly transport parts to any corner of the world.

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