ODES TSBA and TSBE Test Blocks Receive UL Certification for North America

A standards-compliance update for customers using ODES test blocks in protection, control, and secondary-circuit applications.

We are pleased to share that ODES TSBA and TSBE series test blocks have obtained UL certification for the United States and Canada.

This certification represents an important step in supporting customers working on North American power projects, as well as international projects that reference North American electrical standards. For protection panels, metering panels, switchgear secondary circuits, and power-automation systems, recognized certification is often a key requirement during design review, procurement approval, panel integration, and project acceptance.

For ODES, this milestone is not only a product-certification update. It reflects our continued commitment to providing test-block and secondary-circuit solutions that can support real engineering applications, international project requirements, and long-term customer cooperation.

Why This Matters for North American Projects

In the United States and Canada, project stakeholders often require recognized certification before an electrical component can be introduced into formal design, panel assembly, or field application.

This is especially important for secondary-circuit devices such as test blocks. These products are used in relay protection, metering, circuit isolation, maintenance, and commissioning work. They are not simple accessories. They directly affect how engineers test, isolate, and maintain protection and control circuits.

For customers, UL certification helps reduce approval uncertainty and improves confidence during:

• technical specification review

• project design approval

• panel integration

• procurement evaluation

• factory acceptance testing

• field inspection and acceptance

In practical terms, certification helps make the product easier to specify, easier to approve, and easier to integrate into North American project workflows.

Certification Covers the Complete Test Interface

Another important point is that this certification covers not only the TSBA and TSBE test blocks, but also the associated test plug models used with them.

This matters because a test block is rarely used as an isolated device. In real protection and metering applications, the complete test interface includes both the fixed test block and the matching test plug used for isolation, injection, maintenance, and verification.

For engineering users, this provides a more complete and practical certified solution. It supports clearer product selection, smoother technical communication, and more efficient integration into protection panels and secondary-circuit assemblies.

What This Means for Existing Customers

For customers already using ODES test blocks, this certification strengthens the international applicability of the TSBA and TSBE series.

It may be especially relevant for customers involved in:

• North American power projects

• overseas switchgear packages

• relay protection panels

• metering and control panels

• power-automation systems

• OEM panel manufacturing

• EPC project delivery

• international project bidding

As project requirements become more demanding, certification readiness is becoming increasingly important. Customers are no longer evaluating only product function. They are also reviewing compliance, documentation, acceptance pathways, supply stability, and long-term engineering support.

This certification helps ODES better support those requirements.

Supporting Safer and More Maintainable Secondary Circuits

Test blocks and test plugs play an important role in secondary systems. They provide a defined interface for relay testing, CT/PT circuit handling, metering verification, circuit isolation, and maintenance operations.

A well-designed test interface helps reduce field risk by making test procedures more standardized and repeatable. It also supports safer commissioning, clearer circuit isolation, and more efficient maintenance over the service life of the equipment.

With TSBA and TSBE series products now supported by UL certification for the U.S. and Canadian markets, ODES is better positioned to support customers who require both engineering functionality and recognized compliance.

A Step Forward in Global Project Readiness

ODES will continue improving product certification, standards alignment, documentation quality, and project-support capability for international markets.

For existing customers, this update means that ODES test block solutions can now support a wider range of project environments, especially where North American compliance expectations influence product selection and panel acceptance.

We appreciate your continued trust in ODES and look forward to supporting your future protection, control, and secondary-circuit projects with more reliable, compliant, and engineering-oriented solutions.