ABB's stated footprint for its ZX gas-insulated switchgear at 38 kV compared with air-insulated switchgear
as little as ~30% of AIS areaestimate
| Value kind | estimate — Interpret this value according to its displayed kind, scope, source, and as-of date. |
|---|---|
| Scope | ABB advertises up to a 70% reduction for ZX switchgear at 38 kV. It is a vendor figure for one product, not a whole-yard ratio or a general GIS result. |
| As of | 2026-10 |
| Source | ABB Electrification U.S., ZX Primary Gas-insulated Switchgear product page · Product overview: up to 70% footprint reduction compared with air-insulated switchgear, equivalent to approximately 30% of the AIS footprint |
| Review | checking…review by 2027-09-01 · standard cadence |
| Recorded changes | last 2026-10-13 · 2 revisions tracked |
| Claim id | gis-footprint-vs-equivalent-ais-lineup-the |
Where the guide uses it
← Full numbers register — every date-stamped figure in the guide, with revision history.