nema isolation classes

Overview

Engineering reference data for Nema Insulation Classes in insulation.

Key Formulas

Thermal Resistance

$R = \frac{L}{kA}$

Resistance to heat flow.

Heat Loss

$Q = \frac{\Delta T}{R_{total}}$

Temperature difference / total resistance.

Variables

Symbol	Description	Unit
$R$	Thermal resistance	K/W
$L$	Thickness	m
$k$	Thermal conductivity	W/(m·K)

References

• Original Source