EN 50600 / ISO/IEC 22237 infrastructure classification families; use the specific applicable parts and editions
Class 1–4observed
| Value kind | observed — Reported measurements, counts, and specifications keep the precision and scope stated by their source; an exact specification is not treated as a range. |
|---|---|
| Scope | Availability/protection frameworks; not automatic equivalents of TIA Rated levels or Uptime Tiers. EU reporting requirements are specified separately in the applicable legislation. |
| As of | 2021-10-05 |
| Source | CENELEC EN 50600 and ISO/IEC 22237 infrastructure families. ISO/IEC 22237-1:2021 catalogue scope; individual parts govern distinct infrastructure and management requirements. · ISO catalogue: Abstract and life-cycle stage 60.60 dated 2021-10-05; that date belongs to ISO/IEC 22237-1 only, not the whole EN family. |
| Review | checking…review by 2027-04-18 · slow cadence |
| Recorded changes | last 2026-09-16 · 2 revisions tracked |
| Claim id | en-50600-iso-iec-22237-availability-classes |
Where the guide uses it
← Full numbers register — every date-stamped figure in the guide, with revision history.