RMS-ABB.Africa
Technical guides
Selection, installation and compliance notes written against the products in this catalogue — each one linked to the order codes it applies to.
9 guides
General Electrical
How to read an industrial electrical datasheet
Almost every figure on a datasheet carries conditions printed somewhere other than next to the number. What Ue, Ui, Uimp, Ie, Ith and In actually constrain, how to read the…
General Electrical
Understanding IP ratings, and AC-1 vs AC-3 utilisation categories
What the two IP digits are actually tested for, why IPX7 is not a superset of IPX6, and why the same contactor carries two very different current ratings depending on…