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FD 531-K21 Pizzato Position switch with roller lever
Pizzato FD531-K21 heavy-duty position limit switch with roller lever actuator, 1NO+1NC snap-action contacts, IP67 protection and metal housing for industrial automation systems.
£18.56
Why Choose the Pizzato FD531-K21 Position Limit Switch?
The Pizzato FD531-K21 is a heavy-duty position limit switch with roller lever, designed for precise motion detection and reliable switching in demanding industrial automation environments. As part of the rugged Pizzato FD series, it delivers consistent performance, durability and safety in high-cycle applications.
Built with a robust metal housing, the FD531-K21 offers excellent resistance to mechanical stress, vibration, dust and moisture. Its short technopolymer roller lever actuator (Ø20 mm) ensures accurate detection of lateral and rotational movement, making it ideal for continuous-duty machinery.
This variant features a 1 normally open (NO) and 1 normally closed (NC) snap-action contact configuration with positive opening, ensuring fast switching response and enhanced safety reliability. The K21 configuration provides specific internal contact wiring suitable for industrial control and safety circuits.
Key Advantages
- Heavy-duty metal housing for harsh industrial environments.
- Roller lever actuator for precise and flexible motion detection.
- 1 NO + 1 NC snap-action contacts for fast switching performance.
- Positive opening contacts for safety-critical applications.
- High mechanical durability up to millions of operations.
- Compact design for straightforward installation.
Key Features
- Pizzato FD series position switch.
- Short technopolymer roller lever (Ø20 mm).
- 1 NO + 1 NC snap-action contacts.
- Positive opening mechanism for safety circuits.
- Metal housing with industrial-grade protection.
- PG13.5 threaded conduit entry.
- IP67 protection rating for dust and water resistance.
Reliable Motion Detection for Industrial Machinery
The FD531-K21 is designed to provide accurate and repeatable position feedback in industrial machinery. Its roller lever actuator ensures smooth detection of moving components, making it ideal for applications involving continuous or repetitive motion.
The snap-action switching mechanism delivers rapid signal response, while the positive opening contact ensures safe disconnection in critical applications, supporting compliance with industrial safety standards.
Typical Applications
- Industrial conveyors and material handling systems.
- Packaging and processing machinery.
- End-of-travel and position monitoring.
- Automated production lines.
- Machine safety and interlocking systems.
- General industrial control applications.
Technical Specifications
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| Device Type | Limit switch | |
|---|---|---|
| Switching Action | Snap action | |
| IP Rating | IP67 | |
| Contacts | 1NO + 1NC | |
| Actuator Type | Roller lever | |
| Housing Material | Metal | |
| Connection | PG13.5 cable entry | |
| Series | FD Series | |
| Product type | Position / limit switch | |
| Contact configuration | 1 NO + 1 NC (snap-action) | |
| Actuator type | Roller lever, Ø20 mm | |
| Housing | Metal | |
| Connection | PG13.5 threaded conduit entry | |
| Protection rating | IP67 | |
| Rated current | up to 10 A | |
| Rated voltage | up to 500 V AC / 250 V DC | |
| Operating temperature | approx. minus 25 to plus 80 °C | |
| Mechanical durability | up to 20 million operations | |
| Standards | IEC 60947-5-1, EN 60529 | |
| HS Code | 85369095 |
Frequently Asked Questions
What is the Pizzato FD531-K21 used for?
The FD531-K21 is used for detecting position and movement in industrial machinery, ensuring reliable automation and safety control.
What does the K21 variant indicate?
The K21 designation refers to a specific internal contact configuration and wiring arrangement used in industrial control applications.
What contact configuration does this switch have?
This model features 1 normally open (NO) and 1 normally closed (NC) snap-action contacts.
Is it suitable for harsh environments?
Yes, the metal housing and IP67 protection rating make it suitable for industrial environments with dust and moisture.
Does it support safety applications?
Yes, the switch includes positive opening contacts, making it suitable for safety-related control systems.
Trusted by Industrial Engineers Worldwide
Pizzato FD series switches are widely trusted for their rugged construction, precision engineering and dependable performance in industrial automation and safety-critical applications.
