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FR 21C4 Pizzato Safety switch with slotted hole lever
Pizzato FR21C4 safety limit switch with slotted hole lever designed for industrial machine guarding and automation applications.
£18.66
Why Choose the Pizzato FR21C4 Safety Switch?
The Pizzato Elettrica FR21C4 is a heavy-duty industrial safety limit switch designed for reliable position detection in machine guarding and automation systems. As part of the FR series, it delivers dependable performance in safety interlock applications where durability, accuracy, and compliance with industrial safety standards are essential.
Engineered for OEM machine builders and industrial environments, the FR21C4 provides accurate monitoring of guards, doors, and moving mechanical components. Its robust housing and stable switching mechanism ensure consistent operation even in demanding production conditions, helping improve machine safety and reduce downtime.
The FR21C4 features a slotted hole lever actuator and compact IP67-rated enclosure, making it suitable for precise mechanical position detection in safety systems used across manufacturing, packaging, and automated production lines.
Key Advantages
- Heavy-duty industrial safety switch for machine protection systems.
- Robust FR-series housing designed for harsh industrial environments.
- Positive opening contacts for safety circuit compliance.
- High mechanical accuracy for reliable automation control.
- Suitable for machine guarding and interlock applications.
- Long service life under continuous industrial operation.
Key Features
- Pizzato FR series safety limit switch.
- Model: FR21C4.
- Slotted hole lever actuator for mechanical position sensing.
- Reinforced technopolymer / metal housing (FR series design).
- Contact configuration: 3NC (slow action, typical FR21C4 variant). {index=1}
- Positive opening safety contacts.
- Protection rating: IP67.
- M20x1.5 threaded cable entry.
Reliable Safety Performance for Industrial Machinery
Safety switches such as the FR21C4 are widely used in machine protection systems to detect the position of guards, doors, and moving parts. They ensure machinery is safely controlled when access points are opened or misaligned.
The FR series is widely used in industrial automation due to its rugged construction, compact design, and compliance with international machine safety standards. It is suitable for OEM machinery, production lines, and automated handling systems requiring reliable interlocking performance.
Typical Applications
- Machine guarding and safety interlock systems.
- Industrial automation equipment.
- Conveyor and material handling systems.
- Packaging and production machinery.
- OEM machine building applications.
- Safety monitoring of access doors and protective panels.
Technical Specifications
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| Housing Material | Technopolymer | |
|---|---|---|
| Device Type | Guard-locking switch | |
| Product Series | Pizzato FR | |
| Current | 10 A | |
| IP Rating | IP67 | |
| Contacts | 3NC | |
| Safety Switch Type | Tongue interlock | |
| Series | FR Safety Switch Series | |
| Product type | Safety limit switch | |
| Actuator type | Slotted hole lever | |
| Contact configuration | 3NC (slow action) | |
| Rated current | up to 10 A (typical FR series) | |
| Rated voltage | up to 250 V AC | |
| Housing material | Technopolymer / metal variant depending on execution | |
| Protection rating | IP67 | |
| Conduit entry | M20x1.5 | |
| Operating principle | Mechanical safety interlock with positive opening contacts | |
| Ambient temperature | -25°C to +80°C (typical FR series range) | |
| HS Code | 85369095 |
Frequently Asked Questions
What is the FR21C4 used for?
It is used to monitor the position of machine guards and moving components to ensure safe operation in industrial automation systems.
What type of actuator does this switch use?
The FR21C4 uses a slotted hole lever actuator for mechanical position detection.
Is the FR21C4 suitable for safety circuits?
Yes, it is designed for use in industrial safety interlock and control systems.
What environments can it operate in?
It is suitable for harsh industrial environments including manufacturing, packaging, and automation systems.
Where is this switch commonly installed?
It is typically installed on machine guards, access doors, and safety panels in industrial machinery.
Trusted in Industrial Safety Systems Worldwide
Pizzato Elettrica safety switches are widely used in industrial automation and machine building applications to ensure reliable safety interlocking, precise position detection, and compliance with modern machine safety standards.
