FD 525-K21 Pizzato Position switch with coil spring

FD 525-K21 Pizzato Position switch with coil spring

Pizzato FD525-K21 heavy-duty position switch with coil spring actuator, 1NO+1NC snap-action contacts, integrated cable gland and IP67 protection for industrial automation.

SKU: FD525-K21Alt SKU: FD525K21MPN: FD 525-K21
Price
List Price £17.62 ex VAT
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Why Choose the Pizzato FD525-K21 Position Switch?

The Pizzato FD525-K21 is a rugged industrial position switch designed for precise and reliable detection in demanding automation environments. As part of the durable Pizzato FD series, it offers robust construction, dependable switching performance and long service life for industrial machinery and control systems.

This model features a coil spring actuator, providing flexible and responsive actuation where alignment tolerance and accurate detection are critical. Its heavy-duty metal housing ensures excellent resistance to vibration, dust and harsh mechanical conditions, making it ideal for continuous industrial use.

With a 1 normally open + 1 normally closed (1 NO + 1 NC) snap-action contact configuration, PG13.5 conduit entry with integrated cable gland (K21 variant) and IP67 protection rating, the FD525-K21 is engineered for dependable performance in industrial automation and limit detection applications.

Key Advantages

  • Heavy-duty position switch for industrial automation.
  • 1 NO + 1 NC snap-action contacts for versatile control circuits.
  • Integrated cable gland (K21) simplifies wiring and improves sealing.
  • Flexible coil spring actuator for precise detection.
  • Durable metal housing for harsh environments.
  • IP67 protection rating ensures resistance to dust and water.

Key Features

  • Pizzato FD series position switch.
  • Coil spring actuator for flexible actuation.
  • 1 NO + 1 NC snap-action contact block (B5).
  • Pre-assembled cable gland for 6–12 mm cables (K21 version).
  • Robust metal enclosure.
  • PG13.5 threaded conduit entry.
  • External gasket sealing for enhanced ingress protection.

Reliable Position Detection with Integrated Cable Entry

Position switches such as the Pizzato FD525-K21 are essential components in industrial automation systems. They detect movement, position and end-of-travel conditions, providing accurate feedback to control systems and ensuring safe and efficient machine operation.

The integrated K21 cable gland improves installation efficiency and ensures proper sealing of cable entry points, helping maintain the IP67 rating and reducing installation time in control panels and machinery.

Typical Applications

  • Machine tools and automated production systems.
  • Conveyor and material handling equipment.
  • Packaging and assembly machinery.
  • Industrial safety and limit detection circuits.
  • Position monitoring in harsh environments.
  • OEM machine building and automation systems.

Technical Specifications

IP Rating IP67
Series FD Position Switch Series
Product type Industrial position switch
Contact configuration 1 NO + 1 NC (snap action)
Actuator type Coil spring
Housing material Metal
Connection type Cable gland (6–12 mm cable range)
Conduit entry PG13.5
Protection rating IP67
Operating temperature approx. -25 to +80 °C
Contact material Silver contacts
Mechanical endurance up to 20 million operations
HS Code 85369095
Contacts 1NO + 1NC
Actuator Type Spring rod / wobble stick
Housing Material Metal
Connection Pre-wired cable

Frequently Asked Questions

What is the Pizzato FD525-K21 used for?

This switch is used to detect the position or movement of machine components and provide feedback to industrial control systems.

What does the K21 version mean?

The K21 version includes a pre-assembled cable gland for direct cable entry, improving installation speed and sealing performance.

What contact configuration does it use?

The FD525-K21 features 1 normally open and 1 normally closed snap-action contacts.

Is it suitable for harsh environments?

Yes, it features a metal housing and IP67 protection rating, making it suitable for demanding industrial conditions.

What actuator does the FD525-K21 use?

It uses a coil spring actuator for flexible mechanical actuation.

Trusted by Automation Engineers Worldwide

Pizzato FD series position switches are trusted globally for their durability, precision and consistent performance in industrial automation and machine control systems.

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

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