The obsolete XCKP9279 switch was a roller lever plunger switch with 2 NC contacts, snap action block, for vertical direction (special model), having reset function, plastic casing in black colour. The equivalent switch in the Osisense XC offer is the
XCPR2927G13 commercial reference with 2NC contacts positive opening, snap action. Attached corresponding datasheet downloaded from \'tesensors.com\' site.