IEEE 1584-2018
Tables 8 and 10
Typical bus gaps, enclosure sizes and working distances by equipment class
The arc flash tool reads the typical gap, box size and working distance for the equipment when you leave them blank.
已核验：对照印刷版标准阅读，页码 37, 40 (PDF 38, 41)。检查于 1 Oct 2026。
单位：Gap mm mm, Height mm mm, Width mm mm, Depth mm mm, Working distance mm mm
这些是 AmpSize 所编码的数值。不转载标准原文。请依据现行标准核对。
9 行
| Label | Gap mm | Height mm | Width mm | Depth mm | Working distance mm |
|---|---|---|---|---|---|
| 15 kV switchgear | 152 | 1143 | 762 | 762 | 914.4 |
| 15 kV MCC | 152 | 914.4 | 914.4 | 914.4 | 914.4 |
| 5 kV switchgear | 104 | 914.4 | 914.4 | 914.4 | 914.4 |
| 5 kV switchgear (tall) | 104 | 1143 | 762 | 762 | 914.4 |
| 5 kV MCC | 104 | 660.4 | 660.4 | 660.4 | 914.4 |
| Low-voltage switchgear | 32 | 508 | 508 | 508 | 609.6 |
| Shallow low-voltage MCC or panelboard | 25 | 355.6 | 304.8 | 203.2 | 457.2 |
| Deep low-voltage MCC or panelboard | 25 | 355.6 | 304.8 | — | 457.2 |
| Cable junction box | 13 | 355.6 | 304.8 | 203.2 | 457.2 |