IEC 60947-4-2:2020/AMD1:2024
Amendment 1 - Low-voltage switchgear and controlgear - Part 4-2: Contactors and motor-starters - Semiconductor motor controllers, starters and soft-starters
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About This Item
IEC 60947-4-2:2020/AMD1:2024 is a targeted amendment to the low-voltage switchgear and controlgear series for contactors and motor-starters, focused on semiconductor motor controllers, starters and soft-starters. It matters for engineering and compliance teams that need a reliable technical reference when reviewing motor control equipment, evaluating product conformity, or updating procurement documentation. As an amendment to IEC 60947-4-2:2020, it should be read as a modifying document that supports the parent content rather than a standalone specification.
What is IEC 60947-4-2:2020/AMD1:2024?
This document updates the requirements associated with semiconductor-based motor control equipment within the IEC 60947 low-voltage switchgear and controlgear framework. In practice, IEC 60947-4-2:2020/AMD1:2024 is used to align technical documentation, verification activities, and conformity assessment workflows with the amended rules affecting contactors, motor-starters, and soft-starters. It is relevant where product evaluation, design review, or regulatory preparation depends on the parent document and its latest changes.
Applications of IEC 60947-4-2:2020/AMD1:2024
The amendment is relevant in projects involving industrial motor control systems, control panels, machine-building equipment, and low-voltage electrical equipment that uses semiconductor switching or soft-start functions. It may be consulted during laboratory evaluation, technical validation, or supplier review when teams need to confirm that documentation and product claims remain aligned with the updated IEC 60947-4-2:2020 base text. Procurement, quality workflows, and engineering documentation processes also benefit when a current compliance reference is required.
Why is IEC 60947-4-2:2020/AMD1:2024 important?
Keeping the amendment alongside the parent document helps reduce interpretation risk and supports consistent technical assessment across design, testing, and approval stages. For organizations handling low-voltage motor control products, it can improve safety review, interoperability checks, and conformity assessment preparation by ensuring that the latest modifications are considered. Using IEC 60947-4-2:2020/AMD1:2024 in compliance workflows also helps maintain operational consistency when verifying product documentation, test evidence, and engineering specifications.
- Supports review of semiconductor motor controllers, starters, and soft-starters within the low-voltage switchgear and controlgear framework
- Acts as an amendment to IEC 60947-4-2:2020, so it should be used with the parent reference for full technical context
- Useful for conformity assessment, product evaluation, and documentation control in engineering and procurement workflows
- Helps teams maintain alignment between testing records, compliance references, and updated technical requirements
- Publication Date: 2024-05-11
- Standard Status: Amendment
- Publisher: IEC
- Edition: 4
- This Version: IEC 60947-4-2:2020 (2024-05-11)
- Previous Version: IEC 60947-4-2:2020 (2020-06-26)
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