Why Choose the Pizzato FR521-K21 Position Switch?
The Pizzato FR521-K21 is a reliable and rugged industrial position switch designed for precise mechanical detection in automation systems, industrial machinery and control applications. As part of the trusted Pizzato FR Series, this limit switch features a coil spring with cat's whisker actuator, providing flexible and dependable position sensing for demanding industrial environments.
The FR521-K21 combines a durable technopolymer housing with a compact industrial design and a 1NO+1NC snap action contact block for reliable electrical switching. It is engineered for machine builders and automation professionals requiring long service life, accurate detection and simple integration into industrial control circuits.
Featuring an IP67 protection rating, a PG13.5 threaded conduit entry, external gasket and cable gland compatibility for 6–12 mm cables, the Pizzato FR521-K21 is suitable for environments exposed to dust, moisture and mechanical stress. The spring rod with wire tip actuator enables reliable detection of moving machine components and mechanical positions.
Key Advantages
- Reliable industrial position switch for automation applications.
- Coil spring with cat's whisker actuator for flexible mechanical sensing.
- 1NO+1NC snap action contacts for versatile industrial control circuits.
- IP67 protection rating for resistance against dust and water ingress.
- Durable technopolymer housing designed for industrial environments.
- Compact FR Series construction simplifies machine installation.
Key Features
- Pizzato FR Series position switch.
- Model: FR521-K21.
- Actuator type: Coil spring with cat's whisker / spring rod with wire tip.
- Contact block: 1NO+1NC snap action.
- Housing material: Technopolymer.
- Connection: PG13.5 threaded conduit entry.
- Cable gland: Suitable for cables 6–12 mm.
- Protection rating: IP67 according to EN 60529.
- External components: Zinc-plated steel.
Reliable Position Detection for Industrial Automation
Mechanical position switches such as the Pizzato FR521-K21 provide dependable feedback by detecting the movement and position of machine components. When the actuator is operated, the internal snap action contacts change state to provide a reliable electrical signal for automation controllers and industrial systems.
The FR Series is designed for applications requiring reliable switching, durable construction and flexible actuator configurations. The FR521-K21 delivers consistent performance for OEM machinery, production equipment and industrial automation systems.
Typical Applications
- Industrial automation machinery.
- Machine position monitoring systems.
- Packaging and production equipment.
- Conveyor and material handling systems.
- Manufacturing and processing machinery.
- OEM machine building applications.
