ABB DSSB-01C 68300746
ABB DSSB-01C 68300746
ABB DSSB-01C 68300746
ABB DSSB-01C 68300746
ABB DSSB-01C 68300746
ABB DSSB-01C 68300746
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  • Lifecycle status

    Discontinued / Obsolete by OEM
    Apter Power supplies original ABB DSSB-01C PC board kits, delivering factory-certified, high-precision replacement units to ensure stable fieldbus synchronization and optimal torque management for your drive system.

DSSB-01C 68300746

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The ABB DSSB-01C 68300746 is a compact control board designed for DSU units, delivering precise rectifier stage control for ABB ACS800 medium-voltage drives with reliable low-power operation and wide environmental adaptability.
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Technical specifications for DSSB-01C 68300746

  • Manufacturer:
    ABB
  • Part Number:
    DSSB-01C 68300746
  • Product Family:
    ABB Drives
  • Product Type:
    Main Control Unit Board Kit
  • Stock:
    3
  • Power Supply:
    +5V DC, +3.3V DC
  • Power Consumption:
    Typically < 10 W
  • Operating Temperature:
    -20°C to +60°C
  • Storage Temperature:
    -40°C to +85°C
  • Humidity:
    5% to 95% (non-condensing)
  • Weight:
    1.7 kg
  • Estimated shipping dimensions:
    32.6x18.1x6cm
  • 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 Environmental Ratings Installation & Integration

Features:

  • Interface Between the DSU (Diode Supply Unit) Rectifier and ACS800 Inverter Rack Backplane
  • Combines Capability of AC/DC Power Conversion with Intelligent Rectifier Control Support
  • Operates in Conjunction with the ACS800 Series Medium Voltage Drives and Standard DSU Modules
The ABB DSSB-01C 68300746 operates as the Main Control Board in a DSU unit, providing reliable DC bus voltage regulation and control signals to all modules within the ACS800 rack system. It continuously manages the rectifier operation to convert incoming three-phase AC power to regulated DC voltage and distributes control signals through the rack backplane to support steady state operation of all monitors and modules. Seamless voltage regulation is standard with the DSSB-01C, however using an optional Redundant Control Configuration will allow seamless switchover to a backup control board in the event of a primary control failure. The DSSB-01C has made improvements in several areas over previous control board designs in addition to incorporating universal communication protocol capability within the ACS800 rack.

The DSSB-01C provides essential control functions common to the entire DSU rectifier, and is a critical component of the power conversion path, directly affecting the proper, normal operation of the overall drive system. One or two DSSB-01C control boards are required per DSU unit depending on the desired redundancy level. The DSSB-01C occupies a dedicated slot in the DSU control section and is always located in the primary control position.

For Dual Redundant Control applications, the ACS800 System requires a second DSSB-01C control board module installed in the redundant slot. In addition to standard single board operation, the redundant configuration also performs automatic switchover. The ACS800 dual control configuration executes failover using the internal circuitry specified in the control board options. Using this method, the redundant control system continually monitors the health of both boards. If the system detects that the primary DSSB-01C is no longer providing stable control output (outside configured voltage/tolerance levels), it will automatically transfer the control to the secondary board and place an event in the System Event List.

The DSSB-01C 68300746 ABB Main Control Board may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
ABB DSSB-01C 68300746 Main Control 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 DSSB-01C 68300746 Main Control Board Specs

General

  • Manufacturer ABB
  • Model DSSB-01C 68300746
  • Condition New Original ready stock
  • Product Family RDCO-02C,RMIO-12C
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.
  • Industrial Drive Systems: Primarily serves as the core control unit for ABB ACS800-07 cabinet-built drives and related ACS/ACC 607 frequency converters.
  • Motor Control: Manages precise control of motor speeds, torque, and positioning in mechanical industrial processes.
  • Signal Processing: Acts as a high-precision interface with 16 channels for 0 to 24 VDC signal input and output.
  • System Maintenance: Frequently used as a spare part or included in ACS800DSUV3 maintenance kits.
  • Operating Temperature: Typically ranges from -10°C to +60°C (some documentation lists -20°C to +60°C).
  • Storage Temperature: -40°C to +85°C.
  • Humidity: 5% to 95% relative humidity, provided there is no condensation.
  • Power Consumption: Generally less than 10W.
  • Mounting: The unit is a compact printed circuit board (PCB) designed to be mounted within control cabinets or panels.
  • Input/Output: Features 16 channels supporting a voltage range of 0 to 24 VDC with ±0.1% accuracy.
  • Integration: It integrates directly into the drive's internal architecture, communicating via diagnostic interfaces and advanced control algorithms.
  • Documentation: Detailed installation procedures and check-lists are provided in the ABB DSU User Manual, which covers electrical connections and start-up verification.
Description
The ABB DSSB-01C 68300746 serves as a critical control component for DSU (Rectifier Stage Unit) systems in ABB ACS800 medium-voltage AC drives. Engineered to regulate the rectification process—converting AC input to stable DC power for drive operation—it integrates dual +5V DC and +3.3V DC power supply support, with typical power consumption below 10 W, ensuring energy efficiency without compromising performance.

Built for industrial durability, this control board operates across a temperature range of -20°C to +60°C and withstands storage conditions from -40°C to +85°C, paired with 5% to 95% non-condensing humidity tolerance. Its compact form factor and robust design make it suitable for harsh industrial environments, while seamless integration with DSU units ensures consistent drive functionality and protection against voltage/current anomalies.
Alternative Names
DSSB-O1C DSSB-0IC DSS8-01C DSSB01C DSSBO1C DSSB0IC DSS801C 68300746
Technical notes
The ABB DSSB-01C 68300746 is a Main Control Unit Board Kit engineered specifically for the ACS800-07 cabinet-built industrial drive series, serving as a critical communication and management hub for the Diode Supply Unit (DSU). This robust control module features 16 high-precision digital channels with a 12-bit resolution and an accuracy of ±0.1%, ensuring reliable operation across a voltage range of 0 to 24 VDC.
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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 nominal power supply for the ABB DSSB-01C 68300746?
The DSSB-01C operates on +5 V DC and +3.3 V DC power supply.
What is the typical power consumption of the ABB DSSB-01C 68300746?
Typically less than 10 W.
What is the operating temperature range of ABB DSSB-01C 68300746?
-20°C to +60°C (-4°F to +140°F).
How does the ABB DSSB-01C 68300746 interact with the main inverter stage?
The ABB DSSB-01C 68300746 utilizes ABB's proprietary high-speed fiber-optic or ribbon-cable DDCS (Distributed Drive Control System) communication link to transmit critical timing data. This ensures microsecond-level synchronization between the DSU (Diode Supply Unit) control board and the downstream phase inverter modules.
How to report complex system failures using ABB DSSB-01C 68300746?
The ABB DSSB-01C 68300746 displays real-time alarms and fault codes via its integrated front panel LEDs and digital LCD screen. It monitors phase loss, overcurrent, DC bus overvoltage, and auxiliary supply faults, logging specific parameter IDs that can be uploaded via drive diagnostic software for deep root-cause analysis.
Can ABB DSSB-01C 68300746 be directly integrated with a third-party PLC system?
The ABB DSSB-01C 68300746 is designed as an internal system board and interacts with external networks (like Modbus, Profibus, or Ethernet/IP) via the drive's main fieldbus adapter modules rather than direct I/O wiring on the DSSB board itself.

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