Magnetic proximity switch 490

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Contactless switching Compact dimensions Responds to magnetic field and Fe Continuous air supply not required Also available with ATEX approval The Hengstler Type 490 is a compact, contactless pneumatic proximity switch designed for reliable position detection in industrial environments. It is triggered by a magnetic field or ferromagnetic object and operates without requiring a continuous air supply. The device is ideal for use in applications such as monitoring pneumatic cylinders. The ATEX-certified version is approved for use in potentially explosive atmospheres (zones 1 and 21, category M2 for mining), offering safe and precise operation even in hazardous areas. Its small footprint and non-contact switching make it a robust and maintenance-free solution for demanding conditions.