Low-voltage electrical installations - Part 5-53: Selection and erection of electrical equipment - Devices for protection for safety, isolation, switching, control and monitoring
IEC · IEC TC 64
IEC 60364-5-53 covers the selection and erection of devices for isolation, switching and control, protection devices and a new monitoring clause.
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Overview
This is Part 5-53 of the IEC 60364 low-voltage installations series. It covers general requirements for isolation, switching and control, the selection and erection of devices that perform these functions, protection devices and a monitoring clause. In data center design it serves as a basis for selecting switchgear, isolators and protective and monitoring devices in the power distribution. In the fourth edition all clauses except 531 and 534 were revised.
The most notable addition is Clause 537, which deals with monitoring. In addition, all normative references and terms are now gathered in a single place, Clause 530. This arrangement makes it clear where to look for definitions and references when working with the standard. The document is a consolidated publication combining the 2019 base text with Amendment 1 (2020) and Amendment 2 (2024). Consolidated edition 4.2 was published on 18 December 2024 and runs to 182 pages; Amendment 3 is in preparation.
Users are therefore advised to state clearly which edition and amendment level a project cites. This record was built only from the publisher's public catalogue abstract and product metadata; the full text of the paid standard has not been used, so detailed requirements and numeric values are not given here. Related standards include IEC 60364-4-41, IEC 60947-2 and IEC 61557-8.
Key points
- Covers general requirements for isolation, switching and control and the selection and erection of devices for these functions.
- The fourth edition revised all clauses except 531 and 534.
- New Clause 537 addresses monitoring.
- Clause 530 contains all normative references and terms.
- Consolidated edition 4.2 was published 2024-12-18 and has 182 pages.
- Amendment 3 is in preparation.
- The document consolidates the 2019 base text with Amendment 1 (2020) and Amendment 2 (2024).
- Related standards: IEC 60364-4-41, IEC 60947-2, IEC 61557-8.
Using it in design
- In the switchgear catalogue, tag devices with isolation suitability and RCD/RCM/IMD monitoring functions.
- In IT-earthed or UPS-output circuits, require an insulation monitoring or residual current monitoring entry.
- Route the alarms of these monitoring devices to EPMS points.
- State in project documents which edition and amendment level of the standard is cited.
- When citing clauses, respect the new structure of Clause 530 (references and terms) and Clause 537 (monitoring).
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Who should read it
Electrical engineers designing data center power distribution, switchgear selection and monitoring systems.
Related standards
- IEC 60364-4-41
- IEC 60947-2
- IEC 61557-8
Publication details
- Authors
- IEC TC 64
- Publisher
- IEC
- Year
- 2024
- Document number
- IEC 60364-5-53:2019+AMD1:2020+AMD2:2024
- Document language
- English
- Source type
- Standard
- Access
- Citation only
- Licence
- Copyright retained; citation only — the publisher’s terms apply to the original document
Original licence note
Paid standard. Record built only from the publisher's public catalogue abstract and product metadata; full text not redistributed.
Citation
IEC TC 64 (2024). Low-voltage electrical installations - Part 5-53: Selection and erection of electrical equipment - Devices for protection for safety, isolation, switching, control and monitoring. IEC. IEC 60364-5-53:2019+AMD1:2020+AMD2:2024. https://webstore.iec.ch/en/publication/104394
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