FD 551-M2K50 Pizzato Position switch with roller lever

FD 551-M2K50 Pizzato Position switch with roller lever

Pizzato FD551-M2K50 position limit switch with roller lever actuator, 1 NO + 1 NC snap-action contacts, metal housing and combined M20 entry with M12 connector for industrial automation.

SKU: FD551-M2K50Alt SKU: FD551M2K50MPN: FD 551-M2K50
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List Price £31.82 ex VAT
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Why Choose the Pizzato FD551-M2K50 Position Limit Switch?

The Pizzato FD551-M2K50 is a heavy-duty position limit switch with roller lever actuator, engineered for precise detection and dependable performance in industrial automation systems. As part of the robust Pizzato FD series, it delivers consistent switching behaviour, high mechanical durability and long service life in demanding environments.

Constructed with a rugged metal housing and a technopolymer roller lever actuator, the FD551-M2K50 is designed to withstand harsh industrial conditions such as vibration, dust and temperature fluctuations. Its compact rotating head enables flexible mounting and accurate positioning within machinery.

This model features a 1 NO + 1 NC snap-action contact configuration with positive opening, suitable for both control and safety applications. The M2K50 variant combines an M20 × 1.5 conduit entry with an integrated M12 5-pole metal connector, allowing both traditional wiring and plug-and-play connection options for faster installation and maintenance.

Key Advantages

  • Heavy-duty position limit switch for industrial machinery.
  • 1 NO + 1 NC contacts for control and safety functions.
  • Positive opening NC contact for safety-critical applications.
  • M20 cable entry + M12 connector for flexible and fast wiring.
  • Durable metal housing for harsh environments.
  • IP67 protection rating for dust and water resistance.

Key Features

  • Pizzato FD series position switch.
  • 1 NO + 1 NC snap-action contacts.
  • Positive opening safety function.
  • Technopolymer roller lever actuator (Ø20 mm).
  • Metal enclosure for industrial durability.
  • M20 × 1.5 threaded conduit entry.
  • M12 5-pole metal connector for quick connection.
  • Designed for flexible installation in automation systems.

Flexible and Reliable Position Detection

The Pizzato FD551-M2K50 is designed to detect the position of moving machine components with high precision. Its roller lever actuator ensures smooth engagement and reduced wear, while snap-action contacts provide fast and repeatable switching performance.

The combined M20 entry and M12 connector offers maximum flexibility, allowing both conventional wiring and quick-connect solutions, making it ideal for modern automation systems and maintenance-friendly installations.

Typical Applications

  • Industrial machinery and automation systems.
  • End-of-travel and position detection.
  • Safety guards and interlocking systems.
  • Conveyor and material handling equipment.
  • Packaging and production machinery.
  • Plug-and-play industrial control systems.

Technical Specifications

IP Rating IP67
Series FD Series
Product type Position limit switch
Contact configuration 1 NO + 1 NC
Contact type Snap-action, positive opening
Actuator type Roller lever (technopolymer, Ø20 mm)
Housing material Metal
Connection type M20 × 1.5 + M12 5-pole connector
Protection rating IP67
Operating temperature approx. -25 °C to +80 °C
Contact material Silver contacts
Mechanical life up to 20 million operations
Mounting type Surface / machine mounting
HS Code 85369095
Contacts 1NO + 1NC
Actuator Type Roller lever
Housing Material Metal
Connection M12 connector

Frequently Asked Questions

What is the Pizzato FD551-M2K50 used for?

It is used to detect the position of moving parts and provide control signals in industrial machinery and automation systems.

What contact configuration does it have?

The FD551-M2K50 features 1 normally open (NO) and 1 normally closed (NC) contact.

What makes the M2K50 version different?

This version combines a M20 cable entry with an integrated M12 5-pole connector, offering both traditional wiring and quick plug-in connectivity.

Does it support safety applications?

Yes, the NC contact includes positive opening, making it suitable for safety circuits.

Is it suitable for harsh environments?

Yes, the metal housing and IP67 protection rating ensure reliable performance in demanding industrial conditions.

Trusted by Industrial Engineers Worldwide

Pizzato FD series limit switches are trusted globally for their rugged construction, precise switching and reliable performance in industrial automation 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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