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

Application Tables and Guideline Data for Use of Electrical Contact Design

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.

Main Article: Low and Medium Electrical Loads

High Electrical Loads

With high electrical loads, as usually occuring in power engineering equipment, the swi...

Featured Files

Porosity of an electroplated hard gold layer.jpg
Porosity of an electroplated hard gold layer as a function of the layer thickness at different surface roughness values Ra
Pages: Testing of Contact Surface Layers,
Prüfung von Kontaktschichten

by Doduco Redaktion


AC3 contact arc erosion of two differently produced Ag SnO2 contact materials.jpg
AC-3 contact arc erosion of two differently produced Ag/SnO2 contact materials

in a 37 kW contactor 1 Ag/SnO2 88/12, produced by conventional powder metallurgy with MoO3 additive, extruded 2 Ag/SnO2 88/12, powder manufacturing by

the reaction-spray pro...
Pages: Testing Procedures for Power Engineering,
Prüfverfahren in der Energietechnik

by Doduco Redaktion