Testing Lab of Power Supply/ IT / AV Products

Server power supplies can reach multiple markets efficiently through the IECEE CB Scheme, built on IEC 62368-1. This guide covers the workflow, required files, cost and schedule factors, and a multi-market strategy.Anci Labsupports power brands with CB and global certification planning.

What is the CB Scheme for server PSUs

The IECEE CB Scheme is a global system where a single CB test certificate (based on IEC 62368-1 for IT power supplies) is accepted by participating national certification bodies. A server PSU CB report can be used to obtain national marks (for example UL, CCC, KC) with reduced local testing.

Applies to　server PSU, rack power modules, redundant power supplies

Key basis　IEC 62368-1; IECEE CB Scheme

CB certification process

1. 1Confirm PSU specs and target markets.
2. 2Submit samples to a CB laboratory.
3. 3Safety testing to IEC 62368-1.
4. 4Compile the CB test report and technical file.
5. 5Apply for national certifications using the CB, then tag and retain records.

Documents needed

• CB application and product description
• Circuit diagrams and PCB layout
• Critical component list (capacitors, transformers)
• CB test report
• Manual with warnings
• Label artwork

Cost factors

CB cost is not a single figure. It depends on PSU power rating, the number of test items, whether critical components already carry certs, and how many national marks you derive from the CB.Anci LabShare the spec sheet first for a scoped quote.

Schedule factors

Schedule depends on test scope, sample condition and document readiness. A first-pass sample with complete files keeps the timeline predictable; added testing or file updates extend it.

Multi-market strategy

A CB certificate built on IEC 62368-1 streamlines access to many markets: the US often needs UL (with a CB as input), China needs CCC, Korea needs KC, and the EU needs CE (LVD plus EMC). Plan the CB as the common base, then derive national marks.Anci Labrecommends one CB base per platform.

Q1　What is the IECEE CB Scheme?

It is a global certification system where one CB test certificate, based on an IEC standard such as IEC 62368-1, is accepted by participating national bodies to issue local marks.

Q2　Does CB replace country certifications?

No. The CB report eases national certification by reducing repeat testing, but each market still issues its own mark (UL, CCC, KC, and so on) with possible local deviations.

Q3　Which markets accept CB?

Most major economies participate in the IECEE CB Scheme, including the US, China, Korea, Japan and EU members, though each applies its own national differences.

Q4　Is CB useful for a server PSU?

Yes. A server PSU CB based on IEC 62368-1 is a strong common base to derive UL, CCC, KC and CE with less duplicated testing.

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