Comus-M12-Threaded-Proximity-Sensor-Comus-PTA230-30-p-This-reed-switch-based-proximity-switch-is-ideal-for-use-in-a-wide-range-of-applications-including-position-&-limit-sensing-linear-actuators-security-systems-door-switches-p-Comus-PTA230-30-NO-M12-Threaded-Proximity-Switch