Data Book of Electrical Contacts

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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:

For further questions or help, please contact us directly under Contact DODUCO


Featured Article

Testing Procedures for Power Engineering

The testing of electrical contacts for power engineering applications serves on the one hand the continuous quality assurance, on the other one the new and improvement development efforts for contact materials. To optimize the contact and switching performance contact materials and device designs have to complement each other. The success of such optimizing is proven through switching tests.

The assessment of contact materials is performed using metallurgical test methods as well as switching tests in model test set-ups and in commer...

Featured Files

Micro structure of Ag W 25 75.jpg


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