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classITEM_CLASSv1rev 12025-10-15

Environmental conditions

0112/2///63508#KDE031

physical conditions such as ambient temperature, pressure, radiation, humidity, chemical spray expected as normal operating conditions or resulting from postulated initiating events (specific to AC miniature circuit-breaker)

Properties
0
Subclasses
0
Inherited
1

Hierarchy#

KDA001 Domain - Circuit-brea… KDA011 Blocks root - Circuit… KDE005 Specialised blocks ro… KDE031 Environmental conditi… KDE031 Environmental conditi…

Ancestors (top) → KDE031 (highlighted) → subclasses and powertype instances. Capped at 12 each; see the full lists in the sections below.

Higher level classes3#

Declared properties#

No declared properties

This class does not declare any properties of its own.

Inherited properties (1) — click to expand
KDB018pollution degreeENUM_INT_TYPE(0112/2///63508#KDD106)

numeral characterising the expected pollution of the micro-environment

Imported properties2#

Imported property references (entities not in browser data) (1)

  • ACE440

These IRDIs appear in the source data but their full records weren't scraped.

Subclasses#

No subclasses

This class is a leaf — no other classes inherit from it.

Is case of (powertype parents)1#

Metadata#

Version
1
Revision
1
Status
Standard
Publisher
IEC
Published in
IEC 63508
Responsible committee
IEC/SC 23E
Change request
C00138
Dates
  • Original: 2025-10-15
  • Current version: 2025-10-15
  • Current revision: 2025-10-15

Full source data#

Every key from the original .xls export, including multilingual variants, status, publisher, committee, and workbook-specific codes.

Raw properties (19 keys from source .xls) — click to expand
C002
C00138
C011
IEC
C012
IEC 63508
C016
Standard
MDC_P001_5
0112/2///63508#KDE031
MDC_P002_1
1
MDC_P002_2
1
MDC_P003_0
2025-10-15
MDC_P003_1
2025-10-15
MDC_P003_2
2025-10-15
MDC_P003_3
2025-10-15
MDC_P004.en
Environmental conditions
MDC_P006.en
physical conditions such as ambient temperature, pressure, radiation, humidity, chemical spray expected as normal operating conditions or resulting from postulated initiating events (specific to AC miniature circuit-breaker)
MDC_P010
0112/2///63508#KDE005
MDC_P011
ITEM_CLASS
MDC_P012
IEC/SC 23E
MDC_P013
{0112/2///63508#KDA227}
MDC_P019
false
MDC_P090
{0112/2///63508#KDB018,0112/2///62683#ACE440}

Version history1#

  1. Current rev 01
    15 Oct 2025 · 22:36 UTC by BATCH 00000943
    View on cdd.iec.ch ↗

IEC CDD records every published revision of each entity — version number, status, timestamp, and the change request that introduced it. OpenCDD captures the full chain of custody from cdd.iec.ch; the entry marked Current is the one rendered on this page.