OMRON H8PR-8 Programmable Timer Relay – Obsolete H8PR Series Spare Part

Technical Dossier

Product Details And Specifications

OMRON H8PR-8 Programmable Timer Relay – Obsolete H8PR Series Spare Part

RFQ support for obsolete parts: Send the model number, required quantity and destination so DriveKNMS can confirm sourcing options before quotation.

Technical Specifications

Note: Electrical parameters such as supply voltage range, contact rating, and timing range are not listed here to avoid inaccuracy. Please contact us with your application requirements for verified specification confirmation prior to purchase.

Solving the Discontinued Hardware Crisis

The H8PR series was designed for deterministic, multi-output sequential timing in industrial environments where relay logic governed machine cycles. These modules were embedded into control architectures that were engineered as integrated systems — not as collections of interchangeable components. When OMRON discontinued the H8PR line, it did not simply remove a product from a catalog. It created a long-term maintenance liability for every facility that had built production processes around it.

A well-maintained H8PR-8 installed today can extend the operational life of the surrounding control system by five to ten years. That window is sufficient for most facilities to plan a structured, budgeted migration rather than an emergency replacement. The cost differential between a reactive system overhaul and a proactive spare-parts strategy is not marginal — it is the difference between a line item and a capital crisis.

For plant engineers and maintenance managers operating OMRON-based legacy systems, the calculus is straightforward: the H8PR-8 is not a commodity component. It is an asset protection instrument.

Condition & Reliability Assurance

Obsolete parts sourced from secondary markets carry inherent risk. DriveKNMS applies a five-step quality process to every H8PR-8 unit before it leaves our facility:

• Visual and mechanical inspection: Housing integrity, terminal condition, and label legibility are verified. Units with physical damage are rejected at intake.
• Electrolytic capacitor assessment: Aging capacitors are the primary failure mode in timer relay modules of this generation. Each unit is evaluated for capacitor condition. Units showing signs of electrolyte leakage or bulging are not offered for sale.
• Pin and connector inspection: All output and input terminals are examined for oxidation, corrosion, and mechanical deformation. Contact surfaces are cleaned where necessary.
• Firmware and configuration verification: Where applicable, internal configuration states are checked against known factory defaults for the H8PR-8.
• Functional test: Units are powered and cycled through output sequences prior to packaging. Only units that complete the test protocol without anomaly are released.

Units are packaged in anti-static materials and shipped with documentation of the inspection result.

Key Features for System Maintenance

How do I know the unit is genuine and not counterfeit?
All H8PR-8 units in our inventory are sourced through verified industrial channels. Each unit undergoes the five-step inspection process described above. We do not sell units that fail inspection, and we do not relabel or repackage third-party components as OMRON product.

Can you source other OMRON obsolete parts?
Yes. DriveKNMS specializes in hard-to-find and discontinued industrial automation components across multiple brands. Contact us with your part number and we will advise on availability.