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.
Na-verify: binasa laban sa naka-print na standard, mga pahina 37, 40 (PDF 38, 41). Na-check noong 1 Oct 2026.
Mga unit: Gap mm mm, Height mm mm, Width mm mm, Depth mm mm, Working distance mm mm
Ito ang mga value na ine-encode ng AmpSize. Walang text ng standard na inilalathala. I-verify laban sa kasalukuyang standard.
9 na row
| 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 |