CEI EN IEC 60947-9-2:2025-08
Current
The latest, up-to-date edition.
Low-voltage switchgear and controlgear – Part 9-2: Active arc-fault mitigation systems - Optical-based internal arc-detection and mitigation devices
Hardcopy , PDF
English
01-08-2025
This document discusses optical internal arc detection devices (hereinafter referred to as IACDs), which are designed to: • detect internal arcs in electrical panels and low-voltage switchgear, processing (at least) the optical effect of an internal arc; • operate a mitigation device (external or combined) to minimize the effects of the internal arc.
| Committee |
CT 121
|
| DocumentType |
Standard
|
| ISBN |
ISBN978-2-8322-9606-6
|
| Pages |
96
|
| PublisherName |
Comitato Elettrotecnico Italiano
|
| Status |
Current
|
| Standards | Relationship |
| EN IEC 60947-9-2:2025 | Identical |
| IEC 60947-9-2:2021 | Identical |
| EN 12464-1:2011 | Light and lighting - Lighting of work places - Part 1: Indoor work places |
| CSA Z462:24 | Workplace electrical safety |
| JIS C 1609-1:2006 | Illuminance meters Part 1: General measuring instruments |
| IEC 60664-1:2020 | Insulation coordination for equipment within low-voltage supply systems - Part 1: Principles, requirements and tests |
| IEEE 1584-2002 | IEEE Guide for Performing Arc Flash Hazard Calculations |
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