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.
Kua manatokotia: pānuitia ki te paerewa tā, whārangi 37, 40 (PDF 38, 41). I tirohia 1 Oct 2026.
Ngā unit: Gap mm mm, Height mm mm, Width mm mm, Depth mm mm, Working distance mm mm
Ko ēnei ngā uara e tuhia ana e AmpSize. Kāore he kupu o te paerewa e tuhia ana. Whakamanahia ki te paerewa o nāianei.
9 rārangi
| 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 |