Why Choose the Pizzato FR1157-K21 Safety Limit Switch?
The Pizzato FR1157-K21 is a robust and highly reliable safety limit switch designed for precise position detection and machine safety applications in industrial automation environments. As part of the well-established Pizzato FR series, it offers dependable switching performance, long mechanical life and consistent operation in demanding conditions.
This variant features a roller lever actuator combined with a factory-fitted K21 cable gland, enabling fast installation and secure cable management. Its rugged technopolymer housing ensures resistance to mechanical stress, dust and moisture, making it suitable for harsh industrial environments.
With 2 normally closed (NC) snap-action contacts and positive opening capability, the FR1157-K21 is ideal for safety circuits where reliable contact separation and machine protection are essential.
Key Advantages
- Reliable safety limit switch for industrial automation.
- Pre-installed K21 cable gland for quick wiring (6–12 mm cable range).
- Roller lever actuator ensures smooth and precise actuation.
- 2 NC contacts with positive opening for safety applications.
- Durable technopolymer housing for harsh environments.
- Compact design for easy integration into machinery.
Key Features
- Pizzato FR series position and safety switch.
- Model: FR1157-K21.
- Actuator type: Roller lever with technopolymer roller.
- Contact configuration: 2 NC snap-action contacts.
- Positive opening operation for safety circuits.
- K21 cable gland included for Ø 6 to 12 mm cables.
- Technopolymer housing with PG13.5 conduit entry.
- Zinc-plated steel external components with silver contacts.
Reliable Position Detection and Machine Safety
The FR1157-K21 safety limit switch is designed to monitor movement and position within industrial machinery, ensuring safe operation and preventing overtravel. Its roller lever actuator enables smooth contact with moving parts, providing accurate and repeatable switching.
The inclusion of a pre-fitted cable gland simplifies installation, reducing wiring time and improving sealing integrity. This makes the switch particularly suitable for industrial environments where reliability and ease of maintenance are essential.
Typical Applications
- Machine guarding and safety interlocking systems.
- Position detection in industrial machinery.
- Conveyor systems and material handling equipment.
- Packaging and processing machinery.
- Automated production lines and robotics.
- OEM machine building and control systems.
