AIRPAX/SENSATA LELHK11 series hydraulic magnetic circuit protectors are designed to provide low-cost power switching, reliable circuit protection, and accurate circuit control for equipment in the international marketplace. These protectors are available in single, two, three, and four-pole configurations, with options for series, shunt, and relay designs. They are UL listed, CSA certified, and CCC approved, meeting various international standards. The LEL models are suitable for applications requiring robust circuit protection and control, particularly in polyphase circuits, single-phase three-wire systems, or electrically isolated circuits. The auxiliary switch is offered with either gold or silver contacts and is available when a series construction pole is specified.