FR 521-AT6 Pizzato Position switch, coil spring with cat's whisker

FR 521-AT6 Pizzato Position switch, coil spring with cat’s whisker

Pizzato FR521-AT6 position switch with coil spring cat’s whisker actuator, 1NO + 1NC contacts, snap-action switching, external gasket and IP67 protection for industrial automation.

SKU: FR521-AT6Alt SKU: FR521AT6MPN: FR 521-AT6
Price
List Price £11.35 ex VAT
Your Price (ex VAT)
£11.35
Manufacturer Lead Time Standard Manufacturer Lead Time 3-4 Weeks, Call For Express Delivery Options
Get the best trade prices Trade exclusive

Create a trade account to unlock exclusive pricing, special offers and more.

SUBTOTAL (EX VAT) £11.35
Trade pricing is personalised to your account

Manufacturer Lead Time

£11.35

Why Choose the Pizzato FR521-AT6 Position Switch?

The Pizzato FR521-AT6 is a reliable and rugged industrial position switch designed for precise mechanical detection in automation systems, production machinery and industrial control applications. Part of the proven Pizzato FR Series, this limit switch combines a durable technopolymer housing with a coil spring and cat's whisker actuator to provide dependable position sensing in demanding environments.

Designed for machine builders and automation engineers, the FR521-AT6 provides consistent switching performance through its 1NO+1NC snap action contact block. The flexible spring rod with wire tip actuator allows reliable detection of moving machine components while maintaining long mechanical service life.

With an IP67 protection rating, PG11 threaded conduit entry and zinc-plated steel external components, the Pizzato FR521-AT6 is suitable for industrial environments where resistance to dust, moisture and mechanical stress is required. Its compact FR Series construction enables straightforward installation in automation equipment and machine control systems.

Key Advantages

  • Reliable industrial position switch for automation applications.
  • Coil spring with cat's whisker actuator for flexible mechanical detection.
  • 1NO+1NC snap action contacts for versatile control applications.
  • IP67 protection rating for operation in demanding industrial environments.
  • Durable technopolymer housing with robust external components.
  • Compact FR Series design simplifies machine installation and maintenance.

Key Features

  • Pizzato FR Series position switch.
  • Model: FR521-AT6.
  • Actuator type: Coil spring with cat's whisker / spring rod with wire tip.
  • Contact block: 1NO+1NC snap action.
  • Housing material: Technopolymer.
  • Conduit entry: PG11 threaded entry.
  • Protection rating: IP67 according to EN 60529.
  • External components: Zinc-plated steel.
  • Suitable for industrial automation and machine control systems.

Reliable Position Detection for Industrial Automation

Mechanical position switches such as the Pizzato FR521-AT6 provide dependable feedback by detecting the movement and position of machine components. When the actuator is operated, the internal snap action contacts change state to provide an electrical signal for automation controllers and industrial systems.

The FR Series is designed for applications requiring reliable switching, durable construction and flexible actuator configurations. The FR521-AT6 delivers consistent performance for OEM machinery, production equipment and industrial automation 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

IP Rating IP67
Series FR Series
Product type Position / limit switch
Contact configuration 1NO + 1NC
Switching mechanism Snap-action
Actuator type Coil spring with wire tip
Housing material Technopolymer
External parts Zinc-plated steel
Protection rating IP67
Conduit entry PG11
Operating temperature approx. -40 °C to +80 °C
Mounting type Machine / panel mounting
HS Code 85369095
Contacts 1NO + 1NC
Actuator Type Spring rod / wobble stick
Housing Material Plastic
Connection PG11 cable entry

Frequently Asked Questions

What is the Pizzato FR521-AT6 used for?

The FR521-AT6 is used for detecting mechanical positions in industrial machinery, automation systems and electrical control applications.

What actuator does the FR521-AT6 use?

The switch uses a coil spring with cat's whisker actuator for flexible and reliable position detection.

What contact configuration is included?

The Pizzato FR521-AT6 features a 1NO+1NC snap action contact block for versatile industrial switching applications.

Is the Pizzato FR521-AT6 suitable for harsh environments?

Yes. The FR521-AT6 features an IP67 protection rating, providing resistance against dust and water ingress when correctly installed.

What conduit connection does this switch use?

The FR521-AT6 uses a PG11 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.

● Service Agreements

Credit Accounts

Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.

 Priority sourcing and supply support

 Flexible payment terms for qualifying organisations

 Support for engineering, maintenance, and operations

500 +

Stock lines ready to ship

1,000 +

Same day dispatches

3500 +

Customers supported

28 

Trusted Manfacturers

● frequently asked questions

Common questions about our products and support

 

At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.

What product ranges do you supply

We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products. 

Can you help specify the correct part?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

Do you have stock for urgent orders?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

What are your delivery times and costs?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

What about warranties, returns and faulty items?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

● latest blog

Discover  our latest insights and
expert advice

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.

LED Controls: Danfoss Drives Authorised Partner

LED Controls: Danfoss Drives Authorised Partner

2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...

LED Controls: Your Complete Control Panel Solution

LED Controls: Your Complete Control Panel Solution

2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...