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

Formeln aus der Kontaktphysik

Formeln aus der Kontaktphysik

  • Engewiderstand
R_e = \rho/2a

(Einflächenkontakt nach Holm, kreisförmige Berührungsfläche zwischen fremdschichtfreien Oberflächen)

R_e = \rho/2Na

(Mehrflächenkontakt nach Holm ohne gegenseitige Beeinflussung der N Einzelflächen)

R_e = \rho/2 x \sum a_i + 3 \pi \rho /32N^2 x \sum \sum (s_ij) i \neq j

(Mehrflächenkontakt nach Greenwood unter Berücksichtigung der gegenseitigen Beeinflussung)

  • Kontaktwiderstand
...

Featured Files

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


Precipitation hardening of AuCo5 at.jpg
Precipitation hardening of AuCo5 at 400°C hardening temperature
Pages: Gold Based Materials,
Werkstoffe auf Gold-Basis

by Doduco Redaktion