Standard

NEK EN IEC 60947-9-2:2025

Jul 2025 Published

Corrigendums and amendments are bought separately.

Language English

Services Read Online (No printing ) kr 5 534,00 Printed and bound Delivery time: 5-10 days kr 6 918,00

There are no extended editions available for this standard

There are no available corrigendum or amendments for this standard. Any future corrigendum and amendments will be added automatically for subscribers.

Abstract

IEC 60947-9-2:2021 covers internal arc-fault control devices, hereinafter referred to as IACD, which are intended to:– detect internal arc-faults in low-voltage switchgear and controlgear assemblies, by processing (at a minimum) the optical effect of an internal arc-fault, and– operate mitigation device (either external or combined) in order to minimize the effects of the internal arc-fault.

Document information

Standard from NEK
Published: 30 July 2025
Edition: 2025-07
Version: 1
Document type: NAT
ISBN:

ICS 29.120.40
ICS 29.130.20
National Committee NEK/NK121

Product Relations

Refers: NEK EN IEC 61557-2:2021
Adopted from: EN IEC 60947-9-2:2025

NEK EN IEC 60947-9-2:2025

Access to standards for the entire organization

Benefits of our business solution:

Contact us today for a non-binding offer

Abstract

Document information

Product Relations

Access to standards for the entire organization

Benefits of our business solution:

Contact us today for a non-binding offer

Extended editions Extended editions (0)

Version history Related corrigendum and amendments (0)

Abstract

Document information

Product Relations