On 25 April 2026, CENELEC officially published EN 61000-4-30:2026, replacing the 2015 edition. The update introduces mandatory immunity testing against wideband harmonic groups (2–150 kHz), directly affecting manufacturers and exporters of power quality (PQ) analyzers, portable power analyzers, and other test & measurement equipment destined for the EU market. Non-compliant devices may no longer bear the CE marking after October 2027.

Event Overview

On 25 April 2026, CENELEC released EN 61000-4-30:2026. This is the official harmonized European standard for electromagnetic compatibility (EMC) testing of power quality measurement methods. It supersedes EN 61000-4-30:2015. The new edition adds a compulsory immunity test requirement for harmonic groups in the frequency range 2 kHz to 150 kHz. According to the official transition timeline, equipment placed on the EU market after October 2027 must comply with this edition to be eligible for CE marking.

Industries Affected by the Update

Manufacturers of Power Quality Analyzers and Portable Power Analyzers

These companies produce devices explicitly covered under the scope of EN 61000-4-30. The new harmonic group immunity test applies directly to their product design, validation, and conformity assessment processes. Impact includes revised EMC test plans, potential hardware or filtering modifications, extended type-testing timelines, and updated technical documentation for EU declarations of conformity.

Export-Oriented Test & Measurement Equipment Suppliers

Firms supplying PQ-related instrumentation to EU-based distributors or system integrators are affected through contractual and compliance obligations. Their products must meet the updated standard before delivery. Failure to do so may result in shipment rejection, retesting costs, or loss of commercial agreements tied to CE compliance.

Notified Bodies and EMC Testing Laboratories

Organizations accredited to perform EN 61000-4-30 testing must update their test capabilities, calibration procedures, and reporting templates to cover the new 2–150 kHz harmonic group immunity requirements. This entails equipment verification, staff training, and potential accreditation scope extensions — all subject to national accreditation body review.

EU Importers and Authorized Representatives

Under the EU’s Machinery Regulation and Radio Equipment Directive frameworks, importers and authorized representatives bear legal responsibility for verifying CE conformity. They must now ensure that technical files and test reports submitted by manufacturers explicitly reference EN 61000-4-30:2026 and include valid test evidence for the new harmonic group immunity test.

Key Considerations and Recommended Actions for Stakeholders

Monitor Official Transition Guidance from CENELEC and EU Commission

The formal date of withdrawal for EN 61000-4-30:2015 has been set for October 2027, but stakeholders should verify whether any interim guidance — such as interpretation notes or transitional conformity routes — is issued by CENELEC or the European Commission’s Joint Research Centre (JRC).

Review Product Portfolios Against the Updated Scope and Test Requirements

Companies should identify which models fall under the standard’s scope (e.g., Class A, B, or S instruments per Clause 4), confirm whether existing type-test reports cover the new 2–150 kHz harmonic group immunity test, and prioritize retesting for high-volume or newly launched products ahead of the deadline.

Distinguish Between Standard Publication and Regulatory Enforcement Timing

While EN 61000-4-30:2026 is now published, its status as a harmonized standard under the EU EMC Directive (2014/30/EU) depends on formal citation in the Official Journal of the European Union. Stakeholders should track this citation — not just the CENELEC publication date — to determine when presumption of conformity takes effect.

Update Internal Compliance Workflows and Supplier Communications

Manufacturers should revise internal checklists for CE technical files, align procurement specs for critical components (e.g., front-end filters, ADC shielding), and proactively inform key suppliers and testing partners about the new requirement to avoid delays in certification cycles.

Editorial Perspective / Industry Observation

From an industry perspective, the introduction of EN 61000-4-30:2026 reflects a tightening of EMC immunity expectations for measurement instrumentation — particularly in response to increasing grid-connected power electronics generating wideband disturbances. Analysis来看, this update is less a sudden regulatory shift and more a calibrated evolution aligned with IEC 61000-4-30 Ed. 4:2024. It signals growing emphasis on real-world disturbance resilience, especially for devices used in industrial environments with variable-speed drives and renewable inverters. Current observation suggests it functions primarily as a forward-looking compliance signal rather than an immediate enforcement trigger — given the 18-month transition window and pending OJ citation.

Conclusion

This update marks a defined step in the EU’s alignment of EMC requirements for precision measurement equipment with emerging power system disturbances. It does not represent a broad revision of PQ measurement methodology, but rather a targeted expansion of immunity validation scope. For affected stakeholders, the most appropriate understanding is that EN 61000-4-30:2026 establishes a new baseline for market access — one requiring deliberate, technically grounded preparation, not reactive adaptation.

Information Sources

Main source: CENELEC official publication notice for EN 61000-4-30:2026 (dated 25 April 2026). Pending items for ongoing observation include the official citation of EN 61000-4-30:2026 in the Official Journal of the European Union and any supplementary guidance issued by national market surveillance authorities.