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Invensys RO 3451
Invensys RO 3451
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Relay Output Module

RO 3451

Product Information:

RO 3451 is a Triconex relay output module used within the Triconex Tricon and Trident safety architecture. It provides the specified relay output module function while retaining the complete order code, hardware execution and receiving-system compatibility during replacement. Its documented operating voltage is 24 VDC.

Product image is representative; revision or series may vary. Contact us to request a specific version.
  • One-year warranty
  • Global shipping
  • Exact-model verification
    • PRODUCT OVERVIEW

      What is this product?

      RO 3451 belongs to the Triconex fault-tolerant safety systems and performs the documented relay output module role in the Triconex Tricon and Trident safety architecture. The retained technical evidence records Operating Voltage: 24 VDC; Output Current: 10A; Hardware Role: Relay Output Module. The full marking, receiving hardware, connectors or terminals, configuration dependencies and installed position must be matched before substitution.

      Selection basis

      Select RO 3451 by its complete hardware identity and the approved receiving-system record; appearance alone does not establish interchangeability.
    • APPLICATIONS

      Where it may be used

      Typical industries for the documented relay output module execution.

      Oil and Gas

      Supports relay output module duties in safety-instrumented and shutdown systems.

      Chemical Plants

      Maintains qualified safety signals in continuous process units.

      Power Utilities

      Supports protection and shutdown functions in plant auxiliary systems.

      Process Safety

      Restores the documented Triconex fault-tolerant safety systems hardware during planned outages.
Technical specifications for

RO 3451

0 TECHNICAL PARAMETERS
  • Manufacturer:
    Invensys
  • Product Category:
    ESD System
  • Operating Voltage:
    24 VDC
  • Output Current:
    10A
  • System Platform:
    Triconex Tricon and Trident safety architecture
  • Functional Role:
    Relay Output Module function in the documented Triconex fault-tolerant safety systems architecture
  • Hardware Format:
    safety-system controller, I/O, communication or chassis module
  • Integration Focus:
    Matched receiving hardware and field interfaces for Triconex fault-tolerant safety systems
  • Hardware Role:
    Relay Output Module
  • Safety Function:
    Installed safety-system hardware identity
  • Stock Availability:
    9
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  • 02

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  • 03

    Review the quotation

    Receive price, currency, condition, availability, warranty, lead time, shipping terms and quotation validity in writing.
  • 04

    Confirm the order

    Accept the quotation in writing and complete the required payment before shipment.
  • 05

    Pay by bank transfer

    Pay the full invoiced amount by bank wire in RMB/CNY, GBP, EUR or USD using the official invoice details.
  • 06

    Verify and dispatch

    The item receives a pre-shipment inspection and suitable protective packaging. Functional testing is performed only where appropriate equipment and procedures are available for the specific item. We confirm the applicable inspection scope and provide tracking after dispatch.
BUYER INFORMATION

Product condition level information

Commercial details are confirmed in writing before payment.
  • 01

    Factory Sealed

    Unused product with the original factory seal intact; packaging age or storage marks may still be present.

  • 02

    Original Pack

    Unused product in original manufacturer packaging that was not originally factory sealed.

  • 03

    Factory New

    New and current product sourced through the manufacturer or authorized supply channel when expressly confirmed in the quotation.

Alternative Names

RO3451 Triconex RO 3451 Invensys RO 3451 RO 3451 Relay Output

Information

Overview Manuals Relay Settings Carrier Match Acceptance Test

Features:

  • Relay Output Module for the documented Triconex fault-tolerant safety systems.
  • Operating Voltage: 24 VDC.
  • Output Current: 10A.
RO 3451 belongs to the Triconex fault-tolerant safety systems and performs the documented relay output module role in the Triconex Tricon and Trident safety architecture. The retained technical evidence records Operating Voltage: 24 VDC; Output Current: 10A; Hardware Role: Relay Output Module. The full marking, receiving hardware, connectors or terminals, configuration dependencies and installed position must be matched before substitution.

For installation, retain the Triconex fault-tolerant safety systems receiving position, connector or terminal arrangement and configuration record. After power restoration, review diagnostics and test the affected operating path before process release.

The RO 3451 Relay Output Module is supplied only after the complete hardware identity, condition and current OEM lifecycle status have been confirmed.
Triconex RO 3451 Relay Output Module Manual(Datasheets), LinkImportant Notice: The linked document or internal product-family information must identify the listed model or its documented family. Confirm the complete order code, hardware revision and installed-system requirements before replacement. Accessories, cables, software and certificates are included only when stated in the quotation. All prices are shown in USD.

Relay Settings: RO 3451 performs the relay output module function within the Triconex fault-tolerant safety systems. The retained documentation identifies operating voltage as 24 VDC; apply that value only to this documented execution.

Match the complete label, hardware form and functional position before transferring any setting, cable or termination from the removed unit.

Carrier Match: approve RO 3451 only for the documented Triconex Tricon and Trident safety architecture. Compare rack, carrier or panel generation, connector keying, terminal numbering and all paired assemblies with the installation drawings.

Photograph both sides and the installed position before removal so revision markings, jumpers, addressing and channel allocation can be reconstructed accurately.

Acceptance Test: isolate the equipment, remove stored energy and inspect the receiving hardware before installing RO 3451.

Restore power in the approved sequence, review status and diagnostics, then test every affected control, signal, relay, communication, protection or monitoring path against the commissioning record.

Technical notes

RO 3451 must be selected and serviced as the exact relay output module identified by its complete hardware marking. Preserve the Triconex fault-tolerant safety systems receiving position, connected hardware, configuration record and every affected control, I/O, communication, protection or monitoring dependency during replacement.

Relay Evidence

Verify that the supplied item is marked RO 3451 and that its relay output module form, faceplate, connectors and printed revision agree with the approved Triconex fault-tolerant safety systems receiving record.

Retained product evidence for this execution includes Operating Voltage: 24 VDC; Output Current: 10A. Use photographs of the label and installed position to resolve ambiguity before shipment or installation.

Interface Review

For RO 3451, provide the installed Triconex Tricon and Trident safety architecture, required condition, quantity, receiving slot or mounting position and every connected terminal, cable or carrier assembly.

Record revision restrictions, configuration or calibration dependencies, testing requirements and required certificates so the quoted relay output module matches the maintenance scope.

Customs & shipping dimensions / weight

  • Packed shipping dimensions
    Confirmed after final packing
    No reliable exact-model bare-item dimensions are available; measure the supplied item before final packing.
  • Packed shipping weight
    Confirmed after final packing
    No reliable exact-model bare-item net weight is available; weigh the supplied item before final packing.
  • HS / customs code
    HS code 8536490090
    Indicative China HS classification for protection relay; destination-country treatment requires customs review.
  • Country of origin
    Confirm from supplied item
    Verify origin from the supplied item nameplate or applicable manufacturer documentation.
  • Ships from
    Xiamen, Fujian, China
    The dispatch location is confirmed in the written quotation.
  • Customs documents
    Confirmed for the destination
    Available document scope is stated in the written quotation.
PRODUCT & ORDER FAQS

Questions buyers ask about RO 3451

  • How is the exact RO 3451 execution confirmed?

    Read the complete RO 3451 marking, including every suffix and companion code, then compare the faceplate, connectors and installed-system record before approval.
  • Which installed platform must RO 3451 match?

    It must match the Triconex Tricon and Trident safety architecture, including the receiving rack, carrier or panel generation and the approved project configuration.
  • Which function does RO 3451 perform in the system?

    RO 3451 performs the documented relay output module role within the Triconex fault-tolerant safety systems; do not transfer the role from a visually similar part number.
  • Which operating voltage applies to RO 3451?

    The retained documentation records operating voltage as 24 VDC; verify the supplied execution carries the same specification.
  • Which interfaces should be checked before fitting RO 3451?

    Compare connector keying, terminal numbering, field supply, grounding, shielding, cable assemblies and every paired termination against the approved drawings.
  • Which configuration records are needed for RO 3451?

    Retain the slot or node assignment, channel map, firmware or logic dependencies, calibration data where applicable, and the approved Triconex fault-tolerant safety systems project record.
  • How should RO 3451 be tested after installation?

    Restore power in the approved sequence, review status and diagnostics, then function-test every affected channel, relay, network, control, protection or monitoring path.
  • Can another revision replace RO 3451 without review?

    No direct interchangeability should be assumed. Compare the full code, output current (10A), hardware role (Relay Output Module) and receiving-system documentation first.
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  • 20+ years of experience

    Over 20 years of experience in industrial automation and hard-to-source legacy parts.
  • Product Lifecycle Stage

    Confirm the current OEM lifecycle stage for RO 3451 against manufacturer records at quotation. The supplied relay output module is matched by its complete hardware identity, revision and included assemblies.

    Any alternative is proposed only after the receiving Triconex Tricon and Trident safety architecture, interfaces, configuration dependencies and commissioning requirements have been reviewed.

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Moore Disclaimer: Moore Automated's sales automation equipment and related solutions are intended for industrial automation and business operational efficiency improvement purposes only. Product information, technical parameters, and application cases are for reference only and do not constitute an absolute guarantee of performance for any specific industry, scenario, or final application. Actual equipment performance may vary depending on factors such as the usage environment, system integration method, and maintenance conditions. Users should confirm compatibility and safety based on professional technical assessments. Moore Automated assumes no liability for any direct or indirect losses caused by improper use, modification, or failure to operate according to specifications, to the extent permitted by law.

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