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===<!--6.4.6 -->General Rules for Dimensioning of Contacts===
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[[File:General Rules for Dimensioning of Contact Rivets.jpg|left|thumb|Figure 1: General Rules for Dimensioning of Contact Rivets]]
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'''Failure Probability of Single and Double (Bifurcated) Contacts''' (according to Thielecke) {| class="twocolortable" style="text-align: left; font-size: 12px;width:40100%"
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|0.04 ||1 x 10 A <sup>-4</sup>||approx. 3 – 3.5 mm head diameter2 x 10<sup>-8</sup>
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|20 A 0.1 |approx. 2 x 10<sup>-3</sup>|4 x 10<sup>-5</sup>|8 x 10<sup>-5 mm head diameter</sup>|8 x 10<sup>-9</sup>
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|For DC currents: 0.2|1 x 10<sup>-4</sup>|approx. 0.5 – 0.8 Ax 10<sup>-6</mm²sup>|} *'''Head radius R for electrical loads'''4 x 10<sup>-6</sup> {| class="twocolortable" style="text4 x 10<sup>-align: left; font-size: 12px;width:40%"8</sup>
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|for I < 1 A 0.3|R ≈ 1,5 mm|.5 x 10<sup>-|I = 6 A </sup>|R ≈ 1.5 mm|x 10<sup>-6</sup>|I = 1.8 x 10 A <sup>-7</sup>|R ≈ 3.2 x 10 mm|<sup>-|I = 20 A |R ≈ 15 mm10</sup>
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==References==
[[Application Tables and Guideline Data for Use of Electrical Contact Design#References|References]]
[[de:Faustregeln_für_die_Kontaktdimensionierung]]