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FD 556-K21 Pizzato Position switch with adjustable roller lever
Pizzato FD556-K21 heavy-duty position switch with adjustable roller lever, 1NO+1NC snap-action contacts, integrated cable gland and IP67 protection for industrial automation systems.
£19.38
Why Choose the Pizzato FD556-K21 Position Switch?
The Pizzato FD556-K21 is a heavy-duty electromechanical position switch designed for precise detection of movement and end-of-travel positions in industrial automation systems. As part of the robust Pizzato FD series, it features a durable metal housing and an adjustable roller lever actuator, ensuring reliable long-term performance in demanding industrial environments.
This variant includes a 1NO + 1NC snap-action contact configuration with positive opening operation, providing fast and reliable switching for both control and safety applications. The integrated K21 cable gland assembly supports cable diameters of approximately 6–12 mm, enabling secure and simplified wiring without additional accessories.
With a PG13.5 conduit entry and IP67 protection rating, the FD556-K21 is engineered for harsh environments exposed to dust, moisture and vibration, ensuring dependable performance in industrial automation systems.
Key Advantages
- Heavy-duty position switch for industrial automation.
- 1NO + 1NC contacts for versatile control circuits.
- Snap-action switching for fast and precise response.
- Integrated K21 cable gland for quick installation.
- Positive opening contacts for safety compliance.
- IP67 protection rating for harsh industrial environments.
Key Features
- Pizzato FD series position switch.
- Adjustable roller lever with Ø20 mm technopolymer roller.
- 1 normally open + 1 normally closed contacts.
- Snap-action contact mechanism.
- Positive opening operation.
- K21 integrated cable gland (6–12 mm range).
- Silver alloy contacts for reliable conductivity.
- Metal housing construction.
Reliable Position Detection with Simplified Wiring
The FD556-K21 is designed to detect movement, limit positions and end-of-travel conditions in industrial machinery. Its snap-action switching ensures rapid and consistent signal response, making it ideal for high-speed automation systems.
The integrated K21 cable gland simplifies installation by eliminating the need for separate cable fittings, reducing installation time while maintaining secure sealing against environmental factors.
Typical Applications
- Industrial automation and control systems.
- Conveyor and material handling equipment.
- Packaging and processing machinery.
- Mechanical limit and position detection.
- Production lines and assembly systems.
- Heavy-duty industrial environments.
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 | |
| Positive Opening | Yes | |
| Connection | PG13.5 cable entry | |
| Series | FD Series | |
| Product type | Position / limit switch | |
| Contact configuration | 1NO + 1NC | |
| Switching action | Snap action | |
| Actuator type | Adjustable roller lever | |
| Roller diameter | approx. 20 mm | |
| Housing material | Metal | |
| Protection rating | IP67 (EN 60529) | |
| Conduit entry | PG13.5 with integrated cable gland | |
| Cable range | approx. 6–12 mm | |
| Operating temperature | approx. -25 °C to +80 °C | |
| Contact material | Silver alloy | |
| Positive opening | Yes | |
| HS Code | 85369095 |
Frequently Asked Questions
What is the Pizzato FD556-K21 used for?
This switch is used to detect mechanical movement or end-of-travel positions in industrial automation systems.
What is the benefit of the K21 version?
The K21 version includes an integrated cable gland, allowing faster installation and secure cable entry without additional components.
What contact configuration does this switch have?
It features 1 normally open and 1 normally closed contact.
Is this switch suitable for harsh environments?
Yes, it has an IP67 protection rating and a robust metal housing.
What type of actuator does it use?
It uses an adjustable roller lever actuator with a 20 mm roller.
Trusted by Industrial Engineers Worldwide
Pizzato FD series position switches are trusted globally for their durability, precision and consistent performance in demanding industrial automation environments.
