# 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
$\sqrt{\frac{{10}^{-12}\sigma_{kc} \left(\beta_k+20\right)}{\rho_{k20}}}$
Related
$\beta_k$
Used in
$I_{kAD}$
$\theta_{kf}$