# Specific short-circuit parameter

Constant depending on the material of the current carrying component.

Symbol
$K_{k}$
Unit
A.s$^{1/2}$/mm$^2$
Formulae
$1.0 \cdot 10^{-6} \sqrt{\frac{\sigma_{kc} \left(\beta_{k} + 20\right)}{\rho_{k20}}}$
Related
$\beta_{k}$
Used in
$I_{kAD}$
$\theta_{kf}$
Final temperature [$^{\circ}$C]