Why Choose the Pizzato FD557-K21 Position Limit Switch?
The Pizzato FD557-K21 is a robust position limit switch designed for precise detection and dependable control in industrial automation systems. As part of the heavy-duty Pizzato FD series, it features a roller lever actuator with a technopolymer roller, enabling smooth and accurate actuation of moving machine components.
Built with a durable metal housing, the FD557-K21 ensures long service life under continuous mechanical stress. It incorporates a reliable 1 normally open (NO) and 1 normally closed (NC) snap-action contact configuration, providing fast and consistent switching for control and signalling applications.
This variant includes a pre-assembled cable gland (K21 version) suitable for cable diameters between 6–12 mm, simplifying installation and improving sealing performance. Combined with an IP67 protection rating, it is ideal for use in environments exposed to dust, moisture and vibration.
Key Advantages
- Heavy-duty industrial limit switch for harsh environments.
- Roller lever actuator for smooth and precise positioning.
- 1NO + 1NC contacts for flexible control and signalling.
- Snap-action switching ensures fast response and reliability.
- Integrated cable gland (K21) simplifies installation.
- IP67 protection for resistance to dust and water ingress.
Key Features
- Pizzato FD series position switch.
- 1 normally open and 1 normally closed contact, snap-action switching.
- Roller lever actuator with technopolymer roller.
- Metal housing with high mechanical strength.
- PG13.5 cable entry with integrated gland (6–12 mm cable range).
- IP67 protection rating (EN 60529).
- Silver alloy contacts for reliable electrical performance.
Reliable Position Detection for Industrial Machinery
The Pizzato FD557-K21 is designed to monitor movement and position within industrial machinery, ensuring accurate control and dependable switching. Its snap-action mechanism provides rapid contact switching regardless of actuation speed, improving reliability in dynamic automation environments.
The integrated cable gland simplifies installation and enhances sealing, making it particularly suitable for applications where quick wiring and environmental protection are critical.
Typical Applications
- Industrial automation and production lines.
- Conveyor and material handling systems.
- Packaging and assembly machinery.
- Position detection in moving machine parts.
- OEM machinery and control panels.
- Harsh environments requiring sealed cable entry solutions.
