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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.
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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

Ultrasonic picture of a weld.jpg
Ultrasonic picture of a weld joint, Ag/C tip on Cu carrier (ABB-STOTZ-KONTAKT)
Pages: Evaluation of Braze or Weld Joints,
Prüfung von Löt- und Schweißverbindungen

by Doduco Redaktion


Typical contact shapes of tips and formed contact parts.jpg
Typical contact shapes of tips and formed contact parts
Pages: Manufacturing of Single Contact Parts,
Herstellung von Einzelkontakten

by Doduco Redaktion

Starthilfen