Theoretical foundations to the subject contact resistance

The quality of an electrical connection depends on the material, the cross-section, the dimension and the finishing of the contact areas as well as on the contact pressure. Such facts define the electrical contact resistance and finally the operation and life time of the connection. So when working with a higher contact pressure the electrical resistance will be reduced.

The System Titan

When working with normal movable finger-contacts the contact pressure is defined by the material thickness of the used springs and achieves values of ca. 200 N per contact-finger. This value can be increased of more than 1000 N per complete contact when working with standardized pneumatically activated con-tacts. When developing our new system Titan our intention was to increase the contact pressure in a way that the clamp-con-nection can be compared with the values of a screw-connection according to the German DIN directives. All contacts of the Titan system are equipped with pluggable protective covers made out of stainless steel. The pluggable construction enables an easy and uncomplicated controlling and cleaning procedure. So a costly demounting of the contacts or the protective covers is not necessary.