<p>Honeywell Switch Accessory LSZ51 can be used with HDLS series switches. It has a switch actuator and a roller lever. This Rotary Limit Switch accessory is non-illuminated. These accessories are generally used in a variety of transportation, industrial, mechanical and medical applications.</p><p>Honeywell Switch accessories are electromechanical switch devices which are used to make or break the contacts in an electrical circuit. They act as a physical interface between the electrical system and the real world. The primary function of an electrical switch is used to change the state of an electrical or mechanical appliance, which is from ON to OFF state or vice versa.</p>