Data Book of Electrical Contacts

Welcome to our Wiki of electrical contacts The basis of this Wiki is the 2012 issue of the "DODUCO Data Book of Electrical Contacts" which is also available in printed form. To get your desired information, please use: Table of Contents Contact Wiki Guide Search Window For further questions or help, please contact us directly under Contact DODUCO Featured Article Low and Medium Electrical Loads Low and Medium Electrical Loads Switching processes at low and medium electrical loads are experienced for example in relays and switches for the measuring technology, telecommunications, automotive usage and appliances. The switching voltage, ranges from μV to 400V with currents between μA and about 100A. Guided by empirically developed arc-limiting graphs, typical switching processes can be distinguished. As illustrates, voltage and current determine if switching occurs without arcing, if it resul...

Featured Files Rough flat surface.jpg Rough flat surface. a) before and b) during making contact with an ideally smooth flat surface; c) Schematic of the apparent, load bearing and effective contact areas (not to scale; dashed lines are elevation lines) Pages: Application Tables and Guideline Data for Use of Electrical Contact Design, Anwendungstabellen und Richtwerte für den Einsatz elektrischer Kontakte by Doduco Redaktion Softening of CuNi9Sn2 after annealing Wieland.jpg Softening of CuNi9Sn2 after 1 hr annealing after 60% cold working (Wieland) Pages: Other Naturally Hard Copper Alloys, Sonstige naturharte Kupfer-Legierungen by Doduco Redaktion