The Schmersal ZV7H-236-11Z-2138 is an IEC limit switch designed for precise position detection in industrial applications. It features a side-mounted rotary adjustable lever equipped with a durable plastic roller, allowing for smooth interaction with moving parts. The head of the switch can be adjusted up to 90 degrees, providing flexibility in installation to suit various mechanical setups. This model includes one normally open (N.O.) and one normally closed (N.C.) contact with snap-action operation, ensuring quick and reliable switching. Constructed from glass-fiber reinforced thermoplastic, the housing offers excellent durability and resistance to harsh environments. The switch supports a 20-22 mm hole spacing and comes with an M20 x 1.5 cable entry paired with a 1/2-inch NPT adapter for versatile wiring options. Distributed by BSP Automation, this limit switch is a solid choice for applications requiring dependable position sensing with adaptable mounting configurations.