Why Choose the Pizzato FR21A1-K40 Limit Switch?
The Pizzato FR21A1-K40 is a heavy-duty limit switch with short piston plunger actuator, designed for precise position detection and enhanced safety performance in industrial automation systems. As part of the robust Pizzato FR series, it delivers dependable switching for machine control and safety-critical circuits.
Built with a durable technopolymer housing and high-quality internal components, the FR21A1-K40 is engineered for long service life in demanding environments. Its compact design enables easy integration into machinery, conveyors and control panels where reliability and durability are essential.
This variant features a short piston plunger with external gasket, 3 normally closed contacts and a PG13.5 conduit entry with integrated M12 metal connector (8-pole). With positive opening contacts, slow-action switching and an operating range of approximately -25 to +80 °C, it is ideal for advanced safety applications.
Key Advantages
- Reliable position detection for industrial machinery.
- 3 NC contacts for enhanced safety circuit design.
- Integrated M12 connector for quick and secure installation.
- Positive opening contacts for safety compliance.
- IP67 protection rating for dust and moisture resistance.
- Compact and durable technopolymer construction.
Key Features
- Pizzato FR series limit switch.
- Short piston plunger actuator with external gasket.
- 3 NC contact configuration.
- Slow-action switching mechanism.
- Integrated M12 metal connector (8-pole).
- Positive opening contacts for safety circuits.
- IP67 protection rating according to EN 60529.
Precise Position Detection for Industrial Automation
Limit switches such as the Pizzato FR21A1-K40 detect the position of moving machine components and convert mechanical movement into electrical signals. This enables control systems to monitor machine status, trigger operations or safely stop equipment when required.
The FR series is widely used across industrial automation due to its reliability, compact design and versatility. Its plunger actuator is particularly suited for applications requiring accurate linear actuation and repeatable switching performance.
Typical Applications
- Position detection in industrial machinery.
- End-of-travel monitoring for moving components.
- Safety circuits requiring multiple NC contacts.
- Packaging and processing equipment.
- Conveyor systems and material handling.