IEEE 1584-2018
Table 2
Coefficients for the arcing current variation correction factor
The arc flash tool reads the variation factor coefficients. They set the reduced arcing current for the second pass.
Verified: read against the printed standard, pages 24 (PDF 25). Checked 1 Oct 2026.
These are the values AmpSize encodes. No text of the standard is reproduced. Verify against the current standard.
5 rows
| Config | K |
|---|---|
| VCB | 0, -0.000001, 0.000083, -0.001938, 0.022366, -0.12645, 0.30226 |
| VCBB | 0.000001, -0.00006, 0.001276, -0.013778, 0.080217, -0.24066, 0.33524 |
| HCB | 0, -0.000003, 0.000164, -0.003361, 0.033308, -0.16182, 0.34627 |
| VOA | 0.000001, -0.000052, 0.001116, -0.01242, 0.075125, -0.23584, 0.33696 |
| HOA | 0, -0.000003, 0.000168, -0.003461, 0.034124, -0.1599, 0.34629 |