The Off-On-Off Switch Probe F89817K250U450 (item number 1142368) combines spring-loaded contacting with a defined switching or sensing function. F89817K250U450 combines electrical contacting with a switching signal so that DUT presence or position can be evaluated directly in the test sequence. In F89817K250U450, the Off-On-Off function provides multiple defined states along the actuation travel and adds position information to the electrical contact test. F89817K250U450 operates with 450 cN spring force and 3.7 mm nominal travel. The continuous-current rating of F89817K250U450 is 3 A. F89817K250U450 combines a pitch of 6.2 mm / 244 mil with tip style 17K and a tip diameter of 2.5 mm.