Why Choose the Pizzato FR21A4-M2 Limit Switch?
The Pizzato FR21A4-M2 is a heavy-duty industrial limit switch engineered for precise position detection in demanding automation and machinery applications. As part of the durable Pizzato FR series, it delivers reliable switching performance where safety, durability and consistency are critical.
This model features a plunger actuator with external gasket and roller, ensuring smooth actuation and reduced mechanical wear during repeated operation. It is particularly suited to conveyor systems, end-of-travel detection and high-cycle industrial processes requiring dependable triggering.
Built with a rugged technopolymer housing and industrial-grade internal components, the FR21A4-M2 offers excellent resistance to dust, moisture and vibration. Its robust design ensures long service life and dependable operation even in harsh industrial environments.
Key Advantages
- Reliable limit switch for industrial automation.
- Plunger with roller actuator for smooth, low-wear operation.
- Durable construction for harsh industrial environments.
- 3 normally closed contacts ideal for safety circuits.
- No reset mechanism for direct return operation.
- High mechanical endurance for continuous switching cycles.
Key Features
- Pizzato FR series position switch.
- 3 normally closed (NC) contacts.
- Slow-action switching mechanism.
- Plunger actuator with external gasket and roller.
- Technopolymer housing with zinc-plated steel components.
- Silver contacts for stable electrical performance.
- M20 x 1.5 threaded cable entry (no cable gland supplied).
- IP67 protection rating for dust and water resistance.
Reliable Position Detection for Industrial Machinery
The Pizzato FR21A4-M2 is designed to detect mechanical movement and provide accurate switching signals to control systems. Its roller plunger actuator ensures smooth engagement with moving components, reducing wear and improving long-term reliability in high-cycle applications.
Pizzato FR series limit switches are widely used across industrial automation thanks to their robust construction, actuator versatility and consistent performance in demanding environments.
Typical Applications
- Heavy-duty conveyor and material handling systems.
- End-of-travel detection in industrial machinery.
- Packaging and processing equipment.
- Automated production lines.
- Machine safety and monitoring systems.
- OEM machinery and automation equipment.