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      T8451C

      Digital Output Module

      Product Information

      Product Describe

      Trusted TMR 24 Vdc Digital Output

      Outputs are arranged in five

      groups of eight outputs. All

      outputs in a group share a

      common power source and return.

      • Manufacturer:
        ICS Triplex
      • Product Category:
        PLC System
      • Spare Part Number:
        T8451
      • Estimated shipping dimensions:
        3x30.2x26.3cm
      • Weight:
        1.26 kg
      • Tariff Code:
        8537101190
      • Country of origin:
        USA
      • Place of shipment:
        Xiamen, Fujian, China
      • Number of Output Channels:
        40 Channels
      • Field Common Isolation Sustained Working:
        ±250V dc
      • Output Current Rating Continuous:
        2A
      • Output Off Resistance:
        33k Ω
      • Power Consumption:
        24W
      • Output Turn On/Off Delay:
        0.5ms
      • Self-Test Internal:
        2 minutes
      • Operating Temperature:
        -5°C to 60°C (23°F to 140°F)
      • Stock:
        30

      • New and original with factory sealed packing

        Brand new and 100% original unit, supplied in factory-sealed packaging, ensuring untouched condition and full manufacturer integrity.

      • New in opened package

        These parts are new. They have not been used, but their original packaging has been opened or the packaging is significantly aged.

      • New surplus

        New surplus item in unused condition, originally manufactured for distribution but not deployed in service.

      • Refurbished

        This product has been repaired by an authorized service center, and worn or aged parts have been replaced with qualified genuine parts. Warranty terms are subject to refurbishment certification and service policies.
      By purchasing this item, you agree to the Terms & Conditions
      Moore Automated is NOT an authorized distributor of ICS Triplex
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      1-year warranty

      All our products come with a 1-year warranty for your peace of mind.

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      Moore Automated is not an authorized distributor, reseller or representative of the products featured on this website.
      All product names, trademarks, brands and logos used on this site are the property of their respective owners. The depiction, description or sale of products featuring these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorization by any rights holder.
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          FAQ

          • What fundamental role does the T8451C module fulfill in a Trusted industrial control architecture?
            The T8451C serves as a Trusted Triple Modular Redundant (TMR) 24 Vdc digital output module, providing deterministic, redundant digital actuation signals to field devices within a safety instrumented system (SIS). Its architecture ensures continuous operation in safety-critical environments.
          • How does the internal redundancy topology of the T8451C enhance system integrity?
            The T8451C employs a fully triplicated TMR architecture with 2oo3 voting logic, delivering fault tolerance by masking single-channel faults and ensuring valid output determination through majority consensus.
          • Which safety standards and certifications apply to the T8451C in high-integrity control systems?
            The T8451C is engineered to meet IEC 61508 functional safety requirements up to SIL 3, making it suitable for applications in emergency shutdown systems, turbine protection, and other mission-critical operations.
          • What built-in diagnostic mechanisms are integrated into the T8451C to support reliable operation?
            The T8451C incorporates automatic diagnostics and periodic self-test intervals, enabling proactive detection of open circuits, short circuits, and other field wiring anomalies, thereby minimizing undetected failure modes.
          • What are typical maintenance and field service considerations for the T8451C module?
            The T8451C supports hot-swappable replacement, allowing technicians to remove and install the module without powering down the entire control system—provided that proper safety procedures are followed.
          • How does intrinsic safety interface with the T8451C in hazardous environments?
            When deployed where intrinsic safety is required, the T8451C must be used in conjunction with external intrinsic safety barriers to prevent unsafe energy levels at field terminals, ensuring compliance with hazardous area protection standards.

          Learn More

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          • 4. After-Sales Guidance: After receiving the module, if you encounter installation or debugging problems, our engineers will provide remote technical support until the equipment is running smoothly.
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          • Unbeatable 1-Year Warranty on Industrial Automation Parts

            When it comes to industrial automation supply, Moore Automated leads the way with exceptional quality and reliability. All of our PLC, DCS spare parts and repair services are backed by an unbeatable 1-year warranty, giving you the confidence you deserve when choosing an automation parts supplier.

            As one of the most trusted industrial automation parts suppliers, we understand the importance of dependable performance. That’s why we go beyond industry standards—offering a 1-year warranty that outperforms typical coverage. Whether you’re replacing obsolete components or maintaining critical systems, Moore Automated provides the high-quality parts and expert repairs you need.


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            Need it now? Count on Moore Automated for fast, dependable emergency delivery backed by our unbeatable 1-year warranty.

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