FX 551-K71 Pizzato Position switch with roller lever

FX 551-K71 Pizzato Position switch with roller lever

Pizzato FX551-K71 position switch with roller lever actuator, 1NO+1NC snap-action contacts, M12 connector and IP67 protection for industrial automation applications.

SKU: FX551-K71Alt SKU: FX551K71MPN: FX 551-K71
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Why Choose the Pizzato FX551-K71 Position Switch?

The Pizzato FX551-K71 is a robust industrial position (limit) switch designed for precise detection of machine movement in automation systems. As part of the reliable Pizzato FX series, it delivers consistent switching performance and long mechanical life in demanding industrial environments.

This variant features a durable technopolymer housing combined with a roller lever actuator in zinc-plated steel, ensuring smooth and repeatable actuation in high-cycle industrial applications. It also integrates a 4-pole M12 connector, enabling fast and secure electrical connections in modern automation systems.

The FX551-K71 incorporates a 1NO + 1NC snap-action contact configuration with positive opening, making it suitable for both control and safety circuits. With dual conduit entries and a wide operating temperature range, it is engineered for reliable performance in harsh industrial environments.

Key Advantages

  • Reliable limit switch for industrial position detection.
  • 1NO + 1NC contacts for flexible control and signalling.
  • Positive opening contacts for enhanced safety performance.
  • M12 connector for fast and secure installation.
  • Snap-action switching for fast and precise response.
  • Durable technopolymer housing for long service life.

Key Features

  • Pizzato FX series position switch.
  • Roller lever actuator (zinc-plated steel).
  • 1 normally open + 1 normally closed contact (1NO + 1NC).
  • Snap-action switching mechanism.
  • Positive opening contacts for safety-critical circuits.
  • Technopolymer housing with high mechanical resistance.
  • M12 4-pole connector (right orientation).
  • Dual PG13.5 conduit entries.

Efficient Wiring and Reliable Switching

Position switches such as the FX551-K71 are essential components in industrial automation systems, enabling machines to detect movement and trigger control actions. The M12 connector interface simplifies installation, reduces wiring time and improves reliability in modern control systems.

The snap-action mechanism ensures rapid and accurate switching, while the positive opening feature provides enhanced safety by mechanically forcing contacts open in fault conditions.

Typical Applications

  • Industrial machinery and automation systems.
  • Conveyor and material handling equipment.
  • Packaging and production lines.
  • Machine position detection and monitoring.
  • Safety circuits and interlocking systems.
  • OEM machine building applications.

Technical Specifications

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Device Type Limit switch
Housing Material Technopolymer
Switching Action Snap action
IP Rating IP67
Contacts 1NO + 1NC
Actuator Type Roller lever
Positive Opening Yes
Connection PG13.5 cable entry
Series FX Series
Product type Position / limit switch
Contact configuration 1NO + 1NC
Contact type Snap action
Positive opening Yes
Actuator type Roller lever
Housing material Technopolymer
Connector M12 plastic connector, 4-pole, right
Conduit entries 2 × PG13.5
Protection rating IP67
Operating temperature approx. -25 °C to +80 °C
Mounting type Surface mounting
HS Code 85369095

Frequently Asked Questions

What is the Pizzato FX551-K71 used for?

This switch is used to detect the position of moving machine parts and provide switching signals in industrial automation systems.

What contact configuration does the FX551-K71 have?

The FX551-K71 features 1 normally open and 1 normally closed contact (1NO + 1NC).

What is the benefit of the M12 connector?

The M12 connector allows quick and secure installation, reducing wiring time and improving connection reliability.

Is it suitable for harsh environments?

Yes, with its IP67 protection rating, it is designed for demanding industrial environments.

What is the operating temperature range?

The device operates within approximately -25 °C to +80 °C.

Trusted by Industrial Engineers Worldwide

Pizzato FX series position switches are widely trusted for their durability, precision and reliable switching performance in demanding industrial automation environments.