Compliance Guide · OEM Procurement IEC 62368-1 Technical File for Furniture OEMs: EU Compliance Guide 2026Build a compliant evidence package for furniture-embedded USB modules. |
 IEC 62368-1 Technical File assembly: what EU market surveillance authorities expect on request within 10 to 30 days. |
The Cost of an Incomplete Technical File: What German and Dutch Procurement Tenders Actually RejectFurniture OEMs integrating USB charging modules and GaN power units lose EU tender bids not because their products fail tests — but because their Technical File cannot survive a 30-minute review by a procurement engineer. Under EU Directive 2014/35/EU (Low Voltage Directive), the Technical File is not an optional backup document: it is the legal foundation of your CE Declaration of Conformity. A DoC signed without a complete, auditable Technical File has no legal standing. When a German Tier-1 retailer or Dutch contract furniture buyer requests your Technical File — which EU Market Surveillance Regulation 2019/1020 gives them the right to do at any time within 10 years — gaps in HBSE documentation, missing component certifications, or IEC 60950-1 legacy components trigger immediate product holds. This guide maps exactly what a compliant IEC 62368-1 Technical File must contain, the three certification paths OEMs must choose between, and how GLOB-EL's pre-certified module packages cut documentation build time from 8 to 14 weeks down to 3 to 5 weeks.
What IEC 62368-1:2023 Requires in a Technical FileThe HBSE Framework: What the Auditor Checks FirstIEC 62368-1 Edition 4 (IEC 62368-1:2023, published May 26, 2023) replaced IEC 60950-1 with Hazard-Based Safety Engineering (HBSE). HBSE is more demanding than its predecessor precisely because it is not a checklist — it requires manufacturers to prove they understand every energy pathway in the product. For a furniture-embedded GaN USB-C PD module, that means classifying primary-side mains voltage as Class 3 electrical energy (injury risk — requires double or reinforced insulation per Clause 5.4), confirming secondary-side output is Class 1 or 2 controlled (verified by output power level), and demonstrating GaN switch junction thermal energy does not exceed the 25 degrees Celsius baseline temperature limit in IEC 62368-1:2023 Clause 9 under worst-case ambient conditions. According to TUV Rheinland's official IEC 62368-1 FAQ, the standard does not require a standalone risk analysis document — but the HBSE methodology documentation it does require is functionally more difficult for furniture OEM engineering teams unfamiliar with energy classification. GLOB-EL's implementation of HBSE pre-maps every energy pathway in its USB modules, providing OEMs with a completed energy source table ready to insert into the system-level Technical File. |  GLOB-EL GaN module PCB: IEC 62368-1 Ed.4 component certifications applied at component level, reducing OEM system-level testing scope. |
Mandatory Technical File Components for EU CE MarkingBased on verified requirements from Kite Compliance (published October 7, 2025) and the EU Low Voltage Directive 2014/35/EU, an IEC 62368-1 Technical File for a furniture-embedded USB charging module must include all of the following: Product Description and Specifications: Model number, rated input/output voltage, current, power ratings, and intended installation environment (furniture recess, desktop insert, or floor box). Electrical Circuit Diagrams and PCB Layout: Schematic showing protection circuits, isolation barriers, and relevant creepage and clearance distances per IEC 62368-1 Clause 5. Bill of Materials (BOM) with Safety-Critical Components Flagged: All safety-critical components — transformers, fuses, MOVs, TVS diodes, GaN switches — must carry IEC 62368-1 Ed. 4 component-level certification. Note: As of December 20, 2020, components certified only under the legacy IEC 60950-1 are no longer accepted without further evaluation. HBSE Hazard Analysis Document: Identification and classification of all energy sources; description of safeguards applied; performance-based or construction-based test references used to verify each safeguard. Test Report from an Accredited Laboratory: Full test report against EN IEC 62368-1:2020 + A11:2021 (the harmonized EU version), issued by a CBTL or NB-accredited laboratory. Certification cycle typically 4 to 6 weeks. EU Declaration of Conformity (DoC): Signed by an EU-authorized representative, referencing Directive 2014/35/EU and the harmonized standard EN IEC 62368-1:2020. Marking and Labeling Compliance Evidence: CE marking artwork, rated input/output label, manufacturer name and address, country of origin, and any applicable recycling or RoHS symbols. User Information and Installation Instructions: Safety warnings, installation method, and any restrictions on installation environment (humidity, ventilation requirements for desk recess mounting).
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IEC 62368-1 Technical File Requirements: Comparison by Certification Path| Documentation Element | Self-Declaration (CE Only) | CB Scheme (Multi-Market) | ENEC Certification (Third-Party) |
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| HBSE Hazard Analysis | Required | Required | Required | | Full Circuit Schematics | Required | Required | Required | | Accredited Test Report | Required (EU CBTL) | Required (CB Body) | Required (Notified Body) | | BOM with Ed.4 Certs | Required | Required | Required | | EU DoC | Manufacturer-signed | Manufacturer-signed | Third-party audited | | Annual DoC Review | Recommended | Recommended | Mandatory | | Delta Evaluation (vs. Ed.3) | Required if upgrading | Required if upgrading | Required if upgrading | | Market Access | EU only | 50+ countries via CB | EU + premium procurement |
How GLOB-EL Cuts IEC 62368-1 Technical File Build Time by Up to 65%For a furniture OEM with a 5-person engineering team, assembling an IEC 62368-1 Technical File from zero — component BOM audit, HBSE energy mapping, circuit schematic preparation, CBTL laboratory submission, DoC drafting — absorbs 8 to 14 weeks of engineering bandwidth. That timeline directly delays EU product launches and tender responses. GLOB-EL's pre-certified module approach eliminates the component layer of that process entirely: every USB charging module and GaN power unit ships with a complete IEC 62368-1 Ed. 4 component certification package — HBSE energy source table, test report issued by an accredited CBTL, and component BOM already flagged for Ed. 4 compliance. The OEM engineering team works only at the integration layer: system HBSE for the furniture enclosure, installation wiring documentation, and the EU Declaration of Conformity. In practice, this compresses the total Technical File timeline from 8 to 14 weeks down to 3 to 5 weeks — a 65% reduction in documentation time that translates directly into faster tender response capability. For OEMs supplying to German contract furniture Tier-1 buyers, Dutch healthcare furniture procurement, or Nordic hotel specification projects — where pre-audited Technical Files are increasingly a tender prerequisite — this approach eliminates the most common pre-qualification rejection. See also GLOB-EL Choosing The Right Fast Charge USB Socket For Your Product Needs for component selection guidance aligned with IEC 62368-1 Ed. 4 certification requirements. As documented in our technical guide on IEC 62368-1:2023 for Furniture-Embedded USB Power Modules: OEM Compliance Guide 2026, GLOB-EL modules are designed to absorb the component certification burden from the first procurement cycle.  EU office furniture integration: GLOB-EL USB-C modules pre-certified to IEC 62368-1 Ed. 4, reducing OEM Technical File build time from 14 weeks to under 5. |
How To Build an IEC 62368-1 Technical File: Step-by-Step Guide| 1 | Compile the Product Specification Dossier Document the complete electrical specification of the furniture USB module: rated input voltage range (typically AC 100-240V), output ports (USB-A 5V/2.4A, USB-C PD 3.0 or GaN PD 3.1 up to 65W or 100W), installation dimensions, operating temperature range, and intended installation environment. This becomes Section 1 of the Technical File. | | 2 | Generate the HBSE Hazard Analysis Identify all energy sources in the module. For a GaN USB-C PD module: primary-side mains voltage (Class 3 electrical energy requiring double insulation or reinforced insulation per IEC 62368-1 Clause 5.4), secondary-side output (Class 1 or Class 2), thermal energy from GaN switch junction, and mechanical energy from recess mounting hardware. Document each hazard, its class, and the safeguard applied. | | 3 | Audit the BOM for IEC 62368-1 Ed. 4 Component Compliance Cross-check every safety-critical component against its certification status. Replace any components certified only under IEC 60950-1 — these have not been accepted in EU Technical Files since December 20, 2020. For GaN switches and USB-C PD controllers, confirm the component supplier provides an Ed. 4 test report or certification letter. | | 4 | Submit to an Accredited Laboratory for System-Level Testing Select a CBTL (CB Testing Laboratory) or EU Notified Body. Provide the complete circuit schematic, BOM, HBSE analysis, and physical samples. The laboratory will conduct electrical safety tests per EN IEC 62368-1:2020 + A11:2021. For multi-market OEMs, the CB Scheme test report can be used as the basis for certification in over 50 countries, eliminating redundant testing. | | 5 | Compile, Sign, and Maintain the Technical File Assemble all documents into the final Technical File. The EU-authorized representative signs the Declaration of Conformity, referencing Directive 2014/35/EU and EN IEC 62368-1:2020. Retain the Technical File for a minimum of 10 years after the last unit is placed on the EU market. Any design change triggers a delta evaluation and potential re-testing obligation. |
Frequently Asked QuestionsKey compliance fact: Under EU Market Surveillance Regulation 2019/1020, failure to produce a complete IEC 62368-1 Technical File within 10 to 30 days of a market surveillance authority request triggers CE marking withdrawal, product recall, and potential financial penalties. The file must be retained for 10 years from last unit placed on EU market. What is the difference between a Technical File and a Declaration of Conformity under EU law?The Technical File is the complete evidence package — circuit schematics, HBSE energy analysis, accredited test report, component BOM with Ed.4 certifications, and installation instructions. The Declaration of Conformity (DoC) is the legal statement that your product meets all applicable EU directives, signed by your EU-authorized representative. The DoC references the Technical File but is a separate, publicly accessible document. The CE mark is affixed only after both documents are complete. | Is IEC 62368-1 Ed. 4 mandatory for new furniture USB modules in the EU in 2026?IEC 62368-1 Edition 4 (IEC 62368-1:2023) was published by IEC on May 26, 2023. The currently harmonized EU version under Directive 2014/35/EU is EN IEC 62368-1:2020 + A11:2021 as of early 2026. The harmonized EN version of Ed. 4 has not yet been published in the EU Official Journal as of Q1 2026. Until it is, OEMs may certify against EN IEC 62368-1:2020 + A11:2021. | Can an OEM use a component supplier's IEC 62368-1 certification for the system-level CE Technical File?Yes, with one critical limitation. A component-level IEC 62368-1 certification covers the module in isolation under defined test conditions. At the system level — furniture enclosure, wiring configuration, thermal environment, user accessibility — the OEM must conduct a system-level HBSE analysis that accounts for the complete installation. Component certifications reduce the system-level testing scope but do not eliminate the obligation. | What is the MOQ and lead time for GLOB-EL pre-certified IEC 62368-1 modules?Standard MOQ for GLOB-EL pre-certified USB charging modules and GaN power units is 500 units, with a standard lead time of 4 weeks from confirmed BOM and purchase order. For OEMs requiring express delivery, 2-week production runs are available for orders above 1,000 units, subject to a 12 to 15 percent expedite surcharge. | What happens if an EU market surveillance authority requests our Technical File?EU market surveillance authorities have the right to request your Technical File at any time within 10 years of the last unit placed on the EU market, under EU Market Surveillance Regulation 2019/1020. The standard response window is 10 to 30 days depending on the national authority. Failure to produce a complete, current Technical File within that window triggers formal CE marking withdrawal, mandatory product recall at the OEM's cost, and potential financial penalties. |
Request Your IEC 62368-1 Module Documentation PackageContact GLOB-EL's B2B technical team to receive the complete component-level IEC 62368-1 Ed. 4 certification package for your selected USB charging or GaN power module — including the HBSE energy source table, accredited test report, and Ed. 4 component BOM. Contact Technical Sales |
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