FM 551 Pizzato Position switch with roller lever

FM 551 Pizzato Position switch with roller lever

Pizzato FM551 position switch with roller lever, metal housing, IP67 protection and 1NO+1NC snap-action contacts for industrial automation applications.

SKU: FM551Alt SKU: FM551MPN: FM 551
Price
List Price £15.85 ex VAT
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£15.85
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£15.85

Why Choose the Pizzato FM551 Position Switch?

The Pizzato FM551 is a robust industrial position switch (limit switch) designed for accurate and reliable detection of machine movement in automation and control systems. As part of the proven Pizzato FM series, it delivers consistent performance in demanding industrial environments where durability and repeatability are essential.

This model features a rugged metal housing combined with a roller lever actuator with a 20 mm technopolymer roller, ensuring smooth and low-wear operation in high-cycle applications. The rotating head allows flexible installation and precise alignment with moving machinery.

The FM551 incorporates a snap-action contact system with 1NO + 1NC configuration, providing fast and reliable switching for control circuits. With a PG13.5 conduit entry and IP67 protection rating, it is well suited for harsh industrial environments exposed to dust, moisture and vibration.

Key Advantages

  • Reliable position detection for industrial automation systems.
  • 1NO + 1NC contact configuration for versatile control circuits.
  • Snap-action switching for fast and precise response.
  • IP67 protection rating for harsh industrial environments.
  • Durable metal housing construction.
  • Roller lever actuator for smooth, reduced-wear operation.

Key Features

  • Pizzato FM series position switch.
  • Roller lever with 20 mm technopolymer roller.
  • 1 normally open (NO) + 1 normally closed (NC) contact.
  • Snap-action switching mechanism.
  • Positive opening operation for safety applications.
  • Metal housing with PG13.5 threaded conduit entry.
  • No pre-fitted cable gland or connector.
  • IP67 environmental protection.

Fast and Reliable Position Monitoring

Position switches such as the Pizzato FM551 provide accurate feedback on machine movement and position, ensuring safe and efficient operation of industrial automation systems. The snap-action mechanism enables rapid switching, making it ideal for applications requiring fast response and consistent repeatability.

The FM series is widely used by machine builders due to its rugged construction and dependable switching behaviour. The roller lever actuator ensures smooth engagement with moving parts, reducing wear while maintaining reliable performance over time.

Typical Applications

  • Industrial machinery and automation systems.
  • Conveyor and material handling equipment.
  • Packaging and production lines.
  • Machine position and limit detection.
  • General-purpose control and signalling circuits.
  • OEM equipment and control panels.

Technical Specifications

IP Rating IP67
Series FM Series
Product type Position / limit switch
Contact configuration 1NO + 1NC
Contact type Snap action
Actuator type Roller lever
Roller diameter approx. 20 mm
Housing material Metal
Protection rating IP67
Conduit entry PG13.5
Positive opening Yes
Operating temperature approx. -25 to +80 °C
Mechanical durability up to 20 million operations
Mounting type Surface / machine mounting
HS Code 85369095
Contacts 1NO + 1NC
Actuator Type Roller lever
Housing Material Metal
Positive Opening Yes
Connection PG13.5 cable entry

Frequently Asked Questions

What is the Pizzato FM551 used for?

The FM551 is used to detect movement or position of machine components in industrial automation systems.

What contact configuration does the FM551 have?

It features 1 normally open (NO) and 1 normally closed (NC) contact for flexible control applications.

What is snap-action switching?

Snap-action switching provides fast and precise contact operation, ensuring reliable signal switching in automation systems.

What actuator does the FM551 use?

The switch uses a roller lever actuator with a 20 mm roller for smooth and durable actuation.

Is the FM551 suitable for harsh environments?

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

Trusted by Industrial Engineers Worldwide

Pizzato FM series position switches are trusted by automation engineers for their durability, precision and reliable performance in industrial applications.

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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.

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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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