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FR 551-R21 Pizzato Position switch with roller lever
Pizzato FR551-R21 position switch with roller lever actuator, 1NO+1NC snap action contacts and IP67 protection for industrial automation applications.
£10.84
Why Choose the Pizzato FR551-R21 Position Switch?
The Pizzato FR551-R21 is a dependable industrial position switch with roller lever actuator designed for accurate mechanical position detection in automation systems, machinery and industrial control applications. As part of the established Pizzato FR series position switch range, it provides reliable switching performance, robust construction and flexible installation options for demanding industrial environments.
This position switch features a durable technopolymer housing, rotating lever head and a snap action contact block for dependable detection of machine movements. The roller lever actuator with central roller allows smooth mechanical operation and is suitable for applications requiring repeatable position monitoring.
With a 1NO+1NC snap action contact configuration, positive opening function and IP67 protection rating, the Pizzato FR551-R21 is designed for reliable operation in industrial automation, machinery and control applications where consistent switching performance is required.
Key Advantages
- Compact industrial position switch for machinery and automation applications.
- Roller lever actuator enables smooth and reliable mechanical actuation.
- 1NO+1NC snap action contact block for dependable switching operation.
- IP67 protection rating suitable for industrial environments.
- Positive opening contacts support safety-related monitoring applications.
- Part of the reliable Pizzato FR series position switch family.
Key Features
- Pizzato FR series position switch.
- Rotating roller lever actuator with central roller.
- 20 mm roller diameter.
- 1NO+1NC snap action contact configuration.
- PG13.5 threaded conduit entry.
- Zinc-plated steel roller lever construction.
- Technopolymer housing design.
- Positive opening operation according to EN 60947-5-1.
Reliable Position Detection for Industrial Automation
Industrial position switches such as the Pizzato FR551-R21 provide precise mechanical detection of moving machine components, allowing automation systems to monitor positions, improve process reliability and support efficient machine operation.
The FR series combines robust materials, flexible actuator designs and reliable snap action switching technology, making it suitable for machine builders, OEM manufacturers and industrial automation engineers.
Typical Applications
- Industrial machinery and automation equipment.
- Machine position monitoring systems.
- Conveyor and material handling equipment.
- Packaging and production machinery.
- Assembly and processing systems.
- OEM industrial control applications.
Technical Specifications
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| Device Type | Limit switch | |
|---|---|---|
| Housing Material | Technopolymer | |
| Switching Action | Snap action | |
| IP Rating | IP67 | |
| Actuator Type | Roller lever | |
| Connection | PG13.5 cable entry | |
| HS Code | 85369095 | |
| Manufacturer | Pizzato | |
| Series | FR Position Switches | |
| Model | FR551-R21 | |
| Product type | Electromechanical position switch | |
| Housing material | Technopolymer | |
| Actuator type | Roller lever | |
| Roller diameter | 20 mm | |
| Contact block | 1NO+1NC snap action | |
| Protection rating | IP67 according to EN 60529 | |
| Conduit entry | PG13.5 threaded | |
| Operating temperature | -25 to +80 °C | |
| Mechanical endurance | 20 million operations minimum |
Frequently Asked Questions
What is the Pizzato FR551-R21 used for?
The Pizzato FR551-R21 is used for detecting the mechanical position of moving components in industrial automation and machinery applications.
What type of actuator does this position switch have?
The FR551-R21 features a roller lever actuator with a central roller for smooth mechanical operation.
What contact configuration is included?
The switch includes a 1NO+1NC snap action contact block for reliable electrical switching.
What protection rating does the switch provide?
The Pizzato FR551-R21 provides an IP67 protection rating for industrial environments.
Where is this position switch typically installed?
It is typically installed on industrial machines, automation equipment and control systems requiring dependable mechanical position detection.
Trusted by Industrial Automation Professionals
Pizzato FR series position switches are widely used by machine builders and automation professionals to deliver reliable position detection, robust construction and consistent switching performance in industrial environments.
