# Temperature coefficient of enclosure material

Temperature coefficient of enclosure material per K at 20$^{\circ}$C. Values are taken from standard IEC 60287-1-1 Ed.2.1 when available.

Value for Aldrey (AL3) is taken from diploma thesis 'Quantifying the effect of time and temperature on the mechanical behaviour of Aldrey overhead line conductors' by M. Frigerio, 2016.

Symbol
$\alpha_{encl}$
Unit
1/K
Related
$M_{encl}$
Used in
$\beta_{encl}$
$R_{encl}$
Choices
MaterialValue
Cu0.00393
Al0.00403
ENAW60600.004
S0.0045
SS0.001