Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
FR 521 Pizzato Position switch, coil spring with cat’s whisker
Pizzato FR521 position switch with coil spring cat’s whisker actuator, 1NO + 1NC contacts, snap-action switching and IP67 protection for industrial automation.
£9.27
Why Choose the Pizzato FR521 Position Switch?
The Pizzato FR521 is a robust and dependable industrial position switch designed for accurate mechanical detection in automation systems, machinery and industrial control applications. As part of the trusted Pizzato FR Series, this limit switch provides reliable switching performance with a coil spring and cat's whisker actuator, making it suitable for monitoring machine movements and component positions in demanding environments.
The FR521 combines a durable technopolymer housing with a compact design and a 1NO+1NC snap action contact block to provide flexible integration into industrial electrical control circuits. Its mechanical actuator enables precise position sensing while maintaining long operational life for continuous industrial use.
With an IP67 protection rating and a PG13.5 threaded conduit entry, the Pizzato FR521 is designed for reliable operation in environments exposed to dust, moisture and mechanical conditions. The coil spring with cat's whisker actuator allows effective detection of moving machine parts while providing installation flexibility.
Key Advantages
- Reliable industrial position switch for automation applications.
- Coil spring with cat's whisker actuator for flexible position detection.
- 1NO+1NC snap action contacts for versatile control applications.
- IP67 protection rating for resistance against dust and water ingress.
- Durable technopolymer housing designed for industrial environments.
- Compact FR Series construction simplifies machine installation.
Key Features
- Pizzato FR Series position switch.
- Model: FR521.
- Actuator type: Coil spring with cat's whisker.
- Contact block: 1NO+1NC snap action.
- Housing material: Technopolymer.
- Conduit entry: PG13.5 threaded entry.
- Protection rating: IP67 according to EN 60529.
- Suitable for industrial automation, machinery and control systems.
Reliable Position Detection for Industrial Automation
Mechanical position switches such as the Pizzato FR521 provide reliable feedback by detecting the physical position or movement of machine components. When the actuator is operated, the internal snap action contacts change state, allowing automation systems to monitor equipment operation effectively.
The FR Series is developed for machine builders and industrial automation engineers requiring dependable switching solutions. Its compact design, flexible actuator configuration and environmental protection make the FR521 a practical choice for production equipment and industrial control systems.
Typical Applications
- Industrial automation machinery.
- Machine position monitoring systems.
- Packaging and production equipment.
- Conveyor and material handling systems.
- Manufacturing and processing machinery.
- OEM machine building applications.
Technical Specifications
Tick the specs you need, then view products that match.
| Device Type | Limit switch | |
|---|---|---|
| Housing Material | Technopolymer | |
| Switching Action | Snap action | |
| IP Rating | IP67 | |
| Contacts | 1NO + 1NC | |
| Actuator Type | Spring rod / wobble stick | |
| Connection | PG13.5 cable entry | |
| Series | FR Series | |
| Product type | Position / limit switch | |
| Contact configuration | 1NO + 1NC | |
| Switching mechanism | Snap-action | |
| Actuator type | Coil spring with wire tip (cat’s whisker) | |
| Spring length | approx. 117 mm | |
| Housing material | Technopolymer | |
| External parts | Zinc-plated steel | |
| Protection rating | IP67 | |
| Conduit entry | PG13.5 | |
| Rated current | up to 10 A | |
| Rated voltage | up to 500 V AC | |
| Operating temperature | approx. -25 °C to +80 °C | |
| Dimensions (H × W × D) | approx. 51.5 × 30.8 × 30.8 mm | |
| HS Code | 85369095 |
Frequently Asked Questions
What is the Pizzato FR521 used for?
The FR521 is used for detecting mechanical positions in industrial machinery, automation systems and electrical control applications.
What actuator does the FR521 use?
The switch uses a coil spring with cat's whisker actuator for flexible and reliable mechanical position detection.
What contact configuration is included?
The Pizzato FR521 features a 1NO+1NC snap action contact block for versatile industrial switching applications.
Is the Pizzato FR521 suitable for harsh environments?
Yes. The FR521 features an IP67 protection rating, providing resistance against dust and water ingress when correctly installed.
What conduit connection does this switch use?
The FR521 uses a PG13.5 threaded conduit entry for electrical installation.
Trusted by Industrial Automation Professionals
Pizzato FR Series position switches are widely used by machine builders and automation engineers for reliable mechanical detection, durable construction and consistent switching performance in industrial environments.
