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SDCS-PIN-41A

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ABB SDCS-PIN-41A is a fully compatible Pulse Transformer Board, serving as a replacement for the original SDCS-PIN-41 in ABB DCS converter modules (A5/A6/A7, C4) rated 900 A–5200 A.
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Technical specifications for SDCS-PIN-41A

  • Manufacturer:
    ABB
  • Part Number:
    SDCS-PIN-41A
  • Product Family:
    ABB Drives
  • Product Type:
    Pulse Transformer Board
  • Storage temperature:
    -40 ... +55°C
  • Transport temperature:
    -40 ... +70°C
  • Relative humidity:
    5 ... 50 %, no condensation
  • Degree of protection:
    IP 00
  • Pollution degree:
    2
  • Matching board card:
    SDCS-PIN-51 is used in conjunction
  • Weight:
    0.56 kg
  • Estimated shipping dimensions:
    27x10x3.4cm
  • Tariff Code:
    8537101190
  • Country of origin:
    Sweden
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Applications Diagnostics & Protection Installation & Integration

Features:

  • Pulse transformer board purpose-built for C3 and C4 converter modules in ABB DCS DC drive systems
  • Integrates high-current pulse generation capability with galvanic isolation for reliable thyristor and IGBT triggering
  • Works with SDCS-PIN-5x measurement boards to deliver a complete power interface solution
The SDCS-PIN-41A functions as the pulse transformer board in ABB DCS thyristor power converter DC drive systems, purpose-built for C3 and C4 type converter modules with current ratings spanning 900 A to 5150 A. Paired with SDCS-PIN-5x series measurement boards, the SDCS-PIN-41A constitutes a complete power interface unit that delivers precise trigger control to converter thyristors or IGBTs, enabling accurate switching performance across the drive system. The SDCS-PIN-41A has served as a standard ABB converter configuration since 1988, fully superseding earlier converter module variants while preserving backward compatibility for existing equipment upgrades. Constructed from high-grade materials, the SDCS-PIN-41A offers high current carrying capacity together with high EMF signal transmission integrity, ensuring continuous operation in harsh industrial environments subject to dust, humidity, and temperature variation.

The SDCS-PIN-41A furnishes essential pulse isolation and gate triggering functions central to the converter assembly, and stands as a critical element of the power conversion path whose performance directly influences proper, normal operation of the complete drive system. One SDCS-PIN-41A board is required for each C3/C4 converter module to guarantee dependable triggering of all power semiconductors. With a weight of approximately 0.56 kg, the SDCS-PIN-41A presents a compact, modular design that supports rapid installation and board replacement, helping minimize system downtime and improve overall maintenance efficiency.

In two-quadrant and four-quadrant drive configurations, the SDCS-PIN-41A coordinates with SDCS-PIN-5x measurement boards to support both operating modes, and is specifically configured for C3/C4 construction types that do not employ parallel thyristors. The SDCS-PIN-41A sustains robust electrical isolation between low-voltage control electronics and high-voltage power circuits, ensuring safe pulse delivery under all load conditions. Should the drive control system identify irregular trigger pulses or degraded isolation margins, it will automatically record a diagnostic event and alert maintenance personnel through the system event interface, enabling timely intervention before converter performance is compromised.

The SDCS-PIN-41A ABB Pulse Transformer Board may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
ABB SDCS-PIN-41A Pulse Transformer Board Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
ABB SDCS-PIN-41A Pulse Transformer Board Specs

General

  • Manufacturer ABB
  • Model SDCS-PIN-41A
  • Condition New Original ready stock
  • Product Family SDCS-PIN-41,SDCS-PIN-4,SDCS-PIN-48
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • High-Power DC Drives: Used in ABB DCS converter modules (sizes A5, A6, A7, and C4) with current ratings ranging from 900 A to 5200 A.
  • Heavy Industry: Commonly found in applications like metal rolling mills, mining hoists, and large-scale paper production machines.
  • Thyristor Control: Acts as the firing interface for both 2-quadrant and 4-quadrant converter bridges, enabling precise motor speed and torque control.
  • Galvanic Isolation: Pulse transformers provide high-voltage isolation (up to several thousand volts) to protect sensitive control boards from the power circuit.
  • Transient Suppression: Designed to handle high voltage gradients (dV/dt), protecting the drive from electrical noise and voltage spikes.
  • Signal Integrity: Monitors firing pulses to ensure the power semiconductors are switching correctly, preventing potential short circuits or phase losses.
  • Plug-and-Play Compatibility: Designed to interface directly with the SDCS-CON-x control boards and SDCS-PIN-51 measurement boards.
  • Wiring Standards: Features specialized connectors (typically 20-pin) for reliable communication with the firing pulse generator.
  • Environmental Resilience: Operates reliably in temperatures from –25°C to +70°C, suitable for harsh industrial cabinet environments.
Description
The SDCS-PIN-41A is a high-reliability Pulse Transformer Board designed as a direct replacement for the SDCS-PIN-41, integrating seamlessly into the power interface of ABB DCS converter modules (models A5/A6/A7 and C4) with a current range of 900 A to 5200 A.  It works in tandem with the SDCS-PIN-51 Measuring Board to form a complete power interface, supporting both 2-quadrant and 4-quadrant applications while adapting to different converter construction types for versatile industrial use.

Introduced for converters delivered from 1998 onward, the SDCS-PIN-41A maintains full compatibility with existing systems, ensuring hassle-free retrofitting and continuity of operation.  It adheres to strict environmental and safety specifications, including a storage temperature range of -40°C to +55°C, transport temperature of -40°C to +70°C, and operation in 5–50% non-condensing relative humidity.  With an IP 00 protection degree and Pollution Degree 2 rating, it is engineered to perform reliably in standard industrial environments.

Alternative Names
SDCS-P1N-41A SDCS-PIN-4IA DCS-PIN-41A SDCSPIN41A SDCS-PIN-41 3BSE004939R1
Technical notes
The ABB SDCS-PIN-41A features a robust, modular design and is typically available in a conformal coating (COAT) version for superior protection against moisture, dust, and corrosion in industrial environments. Designed for seamless integration into DCS400, DCS500, and DCS600 architectures, the SDCS-PIN-41A delivers reliable switching performance and high electrical isolation between control electronics and high-power circuitry, making it an indispensable component for maintaining the operational integrity of heavy-duty industrial DC motor drives.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What is the SDCS-PIN-41A used for?
It is a pulse transformer board in ABB DCS converter modules, used to route firing pulses to thyristor bridges.
Which converter modules is it compatible with?
Compatible with A5, A6, A7, and C4 DCS converter modules.
What is the current range supported?
900 A to 5200 A.
Which board must it be used with?
Works together with the SDCS-PIN-51 measuring board.
What degree of protection does it have?
IP00 (internal module, no independent enclosure).

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