<p>18PA1 Switch Accessory from Honeywell is a limit switch accessory with terminal block for easy functioning. It is RoHS compliant and lead-free for safety purposes. The primary function of this electrical Honeywell switch is to change the state of an electrical or mechanical appliance from ON to OFF state or vice versa.</p><p>Limit Switch accessories are electromechanical devices which are used to generate or interrupt the contacts in an electrical circuit. They act as a physical interface between the electrical system and the real world. This Honeywell switch is used in a variety of transportation, industrial, mechanical and medical applications such as machine tools, automatic drilling and tapping machines among others. In order to mount and operate it, fit a switch into this limit switch packet and tighten the screws.</p>