ABB 1SFA611610R2010 Modular Contact Block

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• Product Overview

  The ABB 1SFA611610R2010 is a modular auxiliary contact block designed for signal extension and feedback use with push buttons, selector switches, indicator lights, and other control elements. By adding auxiliary contacts, it enables logic extension, status monitoring, and interlock control in control circuits. Its compact modular design offers strong adaptability and wide application in industrial automation.

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  Main Technical Specifications

  • Model: 1SFA611610R2010

  • Product Type: Modular Auxiliary Contact Block

  • Contact Configuration: 1 NO (Normally Open) + 1 NC (Normally Closed)

  • Rated Voltage: AC/DC ≤ 440 V

  • Rated Current: 5 A

  • Contact Material: Silver alloy

  • Mechanical Life: ≥ 10,000,000 operations

  • Electrical Life: ≥ 200,000 operations

  • Mounting: Snap-in installation on operator base or modular housing

  • Operating Temperature: -25 ℃ to +70 ℃

  • Protection Class: IP20 (installed inside panel or enclosure)

  • Standards: IEC/EN 60947-5-1, UL, CE

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  Key Advantages & Features

  1. Modular Design
     Easily combines with buttons, indicator lights, or selector switches for quick installation without tools.

  2. Reliable Contacts
     Silver alloy contacts provide low resistance and high arc resistance for stable switching.

  3. Long Service Life
     Mechanical life up to ≥ 10,000,000 operations suitable for frequent control use.

  4. Good Electrical Isolation
     Improves safety of control circuits with solid contact separation.

  5. Flexible Application
     Can be used for signal feedback, interlock logic, and status indication.

  6. Easy Installation
     Snap-in mounting is quick and compatible with many modular bases.

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  Typical Applications

  • Industrial automation control cabinets

  • Feedback signal acquisition for PLC/DCS systems

  • Control panel logic of machinery and equipment

  • Motor start/stop status feedback

  • Sequential control and interlock in production lines

  • Packaging, printing, and machining equipment

  • Power systems and auxiliary circuits in distribution boards

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  Installation & Operation Notes

  • Ensure auxiliary contact’s rated voltage/current matches the control circuit

  • Align contact block correctly with the operator base before installation

  • Keep the panel area clean to prevent dust intrusion into contact areas

  • Tighten terminal wiring firmly to avoid poor contact

  • Avoid permanent exposure in humid or corrosive environments

  • Do not remove or change the module while it is energized

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The structure and details of the product：

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