Data Book of Electrical Contacts

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Featured Article

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


Featured Article

Physical Effects in Sliding and Connector Contacts

Physical Effects in Sliding and Connector Contacts

Mechanical wear of sliding contacts

dV/dx = k x FK /3 HW
dV/dx Wear volume in mm3 per slide path length in mm
k Coefficient of frictional wear
HW Hardness of the softer material
(Brinell or Vickers units)
FK</s

...

Featured Files

Schematic describing the contact load categories.jpg
Schematic describing the contact load categories in the current-voltage ranges according to

IEC DIN EN 61810-2. Arc-limiting graph

for an arc duration < 1 ms
Pages: Test Procedures for the Communications Technology,
Prüfverfahren in der Informationstechnik

by Doduco Redaktion


Softening of Pt after annealing.jpg
Softening of Pt after annealing for 0.5 hrs after 80% cold working
Pages: Platinum Metal Based Materials,
Werkstoffe aus Platin-Metallen

by Doduco Redaktion

Starthilfen