Topmatic helps you select the convenient cross section for your installations. The App is considering the maximum voltage drop using UNE 20460-5-523 Norm as a reference for current ratings. Available in English French Spanish Dutch Danish German Portuguese and Catalan it is a useful tool for engineers installers dealers students.
Calcule con Topmatic la sección más adecuada del cable eléctrico. Topmatic considera la caída máxima de tensión y utiliza la norma UNE 20460-5-523 como referencia para las intensidades admisibles aplicando la normativa del REBT 2002.
Available in Spanish Portuguese Catalan English French German Danish and Dutch it is a very useful tool for professionals in the electrical sector: distributors installers students etc.