Dictionaries
All published IEC CDD editions
Every dictionary in the OpenCDD browser — sortable, filterable, and linked to the canonical IEC publication. Click any column header to sort. Click a dictionary name to browse its entities.
25,379 entities3,780 classes9,588 properties2,165 units13,329 versions
| Publication | |||||||
|---|---|---|---|---|---|---|---|
| Industrial measurement and control | IEC 61987 (series) IEC TC 65 | 2,704 | 6,471 | 0 | 13,429 | 9,175 | — |
| IEC CDD reference dictionary | IEC 61360 (series) IEC TC 3 | 574 | 2,018 | 0 | 4,776 | 2,592 | 2017 |
| Quantities & Units (IEC 62720) | IEC 62720:2023 IEC TC 1 | 1 | 0 | 2,165 | 2,566 | 1 | 2023 |
| Cross-domain general items | IEC 61360-7:2024 IEC TC 3 | 57 | 215 | 0 | 2,318 | 272 | 2024 |
| Low-voltage switchgear | IEC 62683-1:2026 IEC SC 121A | 375 | 765 | 0 | 1,871 | 1,140 | 2026 |
| Power measurement applications | IEC TR 63213:2019 IEC TC 85 | 26 | 67 | 0 | 224 | 93 | 2019 |
| Miniature circuit-breakers (MCBs) | IEC 63508:2026 IEC SC 23E | 23 | 33 | 0 | 155 | 56 | 2026 |
| OceanRunner (demonstration) Demo | Demonstration fixture n/a (demonstration) | 20 | 19 | 0 | 40 | 0 | — |
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