As a receptacle, H879KB (item number 1017092) supports precise positioning of the compatible Switch Probe within the contacting system. As a Receptacle, H879KB guides and positions the matching Contact Probe; depending on the design, the Receptacle can also provide electrical connection or insulation and supports controlled probe replacement during maintenance. When selecting H879KB, the matching probe family, installation dimensions and any required connection or insulation design should be considered together.