Azbil General Purpose Compact Limit Switch Model _LS_ _ has been an industry standard for decades. These general purpose limit switches have a robust construction and are available in an extensive range of models for use in a wide variety of applications. They are a 2-circuit double break basic switch (DPST)with a rugged die-cast aluminum case with an oil, water, and dustproof housing. A wide range of options includes neon, LED, gold-plated contacts, double seal, long-life, corrosion-resistant, heat-resistant, cold-resistant, spatter guarded, connector type, and more.