ABB 1SFB527068D7084
ABB 1SFB527068D7084
ABB 1SFB527068D7084
ABB 1SFB527068D7084
ABB 1SFB527068D7084
ABB 1SFB527068D7084
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  • Lifecycle status

    Discontinued / Obsolete by OEM
    Apter Power sources genuine ABB control boards and replacement spare parts to extend the operational service life of your industrial motor control systems.

1SFB527068D7084

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The ABB 1SFB527068D7084 is designed as a reliable contactor control and power board. This precision electronic module operates efficiently over an input voltage range of 9–30V DC while maintaining extremely low power consumption of less than 1W.
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Technical specifications for 1SFB527068D7084

  • Manufacturer:
    ABB
  • Part Number:
    1SFB527068D7084
  • Product Family:
    ABB PST and PSTB series
  • Product Type:
    Printed Circuit Board
  • Stock:
    1
  • Core Function:
    Logic control and drive power management
  • Input Voltage Range:
    9 – 30V DC
  • Power Consumption:
    < 1W
  • Terminal Interface:
    3-pin screw clamp terminal
  • Compatible Equipment:
    ABB high-power AF series contactors
  • Weight:
    0.08 kg
  • Estimated shipping dimensions:
    14.2x8.6x3.5cm
  • 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 Performance & Efficiency Compatibility & Interoperability

Features:

  • Control and Excitation Core for ABB AF Series Heavy-Duty Contactors
  • Integrates Electronic Coil Control with Wide Voltage Adaptability and Surge Protection
  • Functions Alongside Main Power Contacts, Auxiliary Contacts, and PLC/DCS Output Modules
The ABB 1SFB527068D7084 serves as the main electronic control board within high-capacity AF series contactor assemblies, delivering stable and precise control signals to the switching mechanism. It continuously processes incoming auxiliary control voltages and converts them into optimized DC excitation energy, feeding the contactor coil to ensure smooth, high-force contact engagement during motor starting and load switching. In demanding industrial environments, the 1SFB527068D7084 eliminates contact chatter, prevents coil overheating, and handles wide control voltage fluctuations to maintain reliable continuous duty.

Serving as the central processing unit for the contactor's electromagnetic system, the 1SFB527068D7084 directly impacts the switching performance and electrical lifetime of the entire contactor unit. The electronic assembly is directly installed within the internal drive housing of the contactor chassis, connecting via dedicated wiring terminals to interface seamlessly with upstream control logic and the physical coil winding.

In advanced motor control and automated power switching applications, the 1SFB527068D7084 works in tandem with built-in electronic control circuitry to regulate the pick-up and holding currents of the contactor. During the initial energization phase, the 1SFB527068D7084 enables high initial pick-up power to close the heavy contacts rapidly, then automatically reduces power consumption to a low holding state. If the internal logic detects severe control line voltage dips or abnormal thermal conditions, the 1SFB527068D7084 manages safe contact opening to prevent dangerous partial closure or contact welding, ensuring operational integrity across the switchgear assembly.

The 1SFB527068D7084 ABB Printed Circuit Board may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
ABB 1SFB527068D7084 Printed Circuit 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 1SFB527068D7084 Printed Circuit Board Specs

General

  • Manufacturer ABB
  • Model 1SFB527068D7084
  • Condition New Original ready stock
  • Product Family 1SFB527068D7094,1SFB527068D7005
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 Automation & Process Control: Serves as a vital processing or communication hub within automated assembly lines, packaging machinery, and material handling systems.
  • Continuous Production Networks: Extensively deployed in high-availability environments requiring 24/7 reliability, such as automotive assembly, food and beverage processing, and heavy industrial plants.
  • Supervisory Systems Integration: Functions as a core module to interface complex field machinery data with central SCADA networks, DCS platforms, and enterprise-level management systems.
  • High Processing Power: Features advanced processor circuitry engineered for fast, stable, and highly accurate data handling, preventing system latency during complex operations.
  • Environmental Resilience: Built using rugged, industrial-grade materials designed to withstand electromagnetic interference (EMI), extreme temperature variations, mechanical shock, and factory floor vibrations.
  • Optimized Power Consumption: Implements low-power architecture that reduces localized heat generation, thereby extending the overall operational lifespan of the control cabinet.
  • Compact Form Factor: Designed with a high-density, space-saving layout that easily fits into standard electrical enclosures without compromising on thermal dissipation or processing capacity.
  • Standard Industrial Communication: Equipped with versatile communication interfaces, supporting common industry-standard protocols such as Modbus RTU via integrated RS-485 connections.
  • Cross-Vendor Interoperability: Engineered to work seamlessly within modern, multi-brand ecosystems, operating harmoniously alongside hardware from vendors like Siemens, Honeywell, and Emerson.
  • Drop-In Integration: Built with standard physical mounting layouts and connector formats, making it highly effective as a plug-and-play upgrade or replacement for older legacy ABB board revisions to minimize maintenance downtime.
Description
The ABB 1SFB527068D7084 is an industrial-grade contactor control circuit board engineered for precise electronic control and switching management in large-scale motor starter systems and low-voltage switchgear assemblies. Designed specifically to handle power switching instabilities, signal noise, and severe thermal load fluctuations in heavy-duty electrical contactors, the 1SFB527068D7084 solves key operational challenges such as coil burnout, contact welding, and erratic nuisance tripping during high-current switching cycles. By regulating excitation signals and power delivery to contactor coils, the 1SFB527068D7084 ensures consistent contact engagement, reducing contact chatter and extending the mechanical and electrical service life of primary power equipment in demanding automation setups.  

In terms of practical application scenarios, the 1SFB527068D7084 is widely utilized across heavy industrial manufacturing, power generation facilities, chemical processing plants, water treatment systems, and automated material handling infrastructure. The 1SFB527068D7084 control board is typically integrated directly into high-capacity ABB contactor assemblies (such as the AF1250 and AF1350 series), serving as an essential communication and driving interface between upstream Distributed Control Systems (DCS) / Programmable Logic Controllers (PLCs) and high-voltage power contacts. Whether managing large induction motor starts, high-power heating loads, or automated power transfer switches, the 1SFB527068D7084 maintains stable signal transmission and reliable coil actuation.

For installation and system integration, the 1SFB527068D7084 features a compact physical footprint paired with heavy-duty 3-pin screw clamp terminal connectors. This design allows the 1SFB527068D7084 to be mounted easily within internal switchgear chassis or standard control enclosures with minimal wiring overhead. Operating under a standard 24V DC auxiliary control supply, the 1SFB527068D7084 requires basic ESD protection during handling and proper torque verification on terminal screws to prevent wire looseness caused by continuous machine vibration.  
Alternative Names
ISFB527068D7084 1SFB527O68D7O84 1SFB527068D7094 1SFB527068D7005
Technical notes
The ABB 1SFB527068D7084 is designed as a reliable contactor control and power board. This precision electronic module operates efficiently over an input voltage range of 9–30V DC while maintaining extremely low power consumption of less than 1W.
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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 primary function of the ABB 1SFB527068D7084 control board?
The ABB 1SFB527068D7084 is designed to provide stable drive power and precise logic control for ABB contactors, ensuring reliable switching performance in industrial power distribution systems.
What problems does the ABB 1SFB527068D7084 help prevent?
It helps minimize voltage fluctuation effects, coil overheating, contact chattering, and premature contact wear, improving the reliability of high-power contactor operation.
Can the ABB 1SFB527068D7084 reduce equipment downtime?
Yes. Its reliable control capabilities help prevent unplanned shutdowns, reduce maintenance requirements, and extend the service life of industrial contactors.
Is the ABB 1SFB527068D7084 easy to install?
The board is designed to fit within compatible ABB contactor assemblies. Proper mechanical alignment and secure terminal connections are recommended for reliable operation.