AIRPAX/Sensata LEL 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 a wide variety of configurations, including series, series with auxiliary switch, shunt, and relay options. They are UL listed, CSA certified, and meet IEC spacing requirements, making them suitable for diverse applications in polyphase circuits, single-phase three-wire systems, or in two or more electrically isolated circuits. The multi-pole units feature internally coupled trip mechanisms, ensuring simultaneous opening of all poles in the event of a fault. The auxiliary switch is available with gold or silver contacts and is offered with either a single toggle handle or with a handle per pole.