FR 5A4-K25 Pizzato Position switch with plunger, external gasket and roller

FR 5A4-K25 Pizzato Position switch with plunger, external gasket and roller

Pizzato FR5A4-K25 industrial limit switch with one-way roller plunger actuator, 1NO+1NC snap action contacts and IP67 protection for reliable position detection in automation systems.

SKU: FR5A4-K25Alt SKU: FR5A4K25MPN: FR 5A4-K25
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Why Choose the Pizzato FR5A4-K25 Limit Switch?

The Pizzato FR5A4-K25 is a compact and highly reliable industrial limit switch designed for accurate position detection in automation and machinery systems. As part of the proven Pizzato FR series, it delivers dependable switching performance in demanding industrial environments.

This model features a plunger actuator with external gasket and roller, ensuring smooth actuation and reduced mechanical wear during repeated operation. The K25 variant includes a one-way roller configuration, making it ideal for directional actuation in conveyor systems and moving machinery components.

Constructed with a rugged technopolymer housing and high-quality internal components, the FR5A4-K25 offers excellent resistance to dust, moisture and vibration. Its robust design ensures long service life and reliable performance even in harsh industrial conditions.

Key Advantages

  • Reliable limit switch for industrial automation.
  • One-way roller plunger actuator for directional sensing.
  • Durable construction suitable for harsh industrial environments.
  • Flexible 1 NO + 1 NC contact configuration.
  • No reset mechanism for direct return operation.
  • High mechanical endurance for continuous switching cycles.

Key Features

  • Pizzato FR series position switch.
  • 1 normally open (NO) + 1 normally closed (NC) contacts.
  • Snap-action switching mechanism for fast response.
  • Plunger actuator with one-way roller and external gasket.
  • Technopolymer housing with zinc-plated steel components.
  • Silver contacts for stable electrical performance.
  • PG13.5 cable entry with cable gland for 3–7 mm cables.
  • IP67 protection rating for dust and water resistance.

Reliable Position Detection for Industrial Machinery

The Pizzato FR5A4-K25 is designed to detect mechanical movement and provide accurate switching signals to control systems. Its one-way roller plunger ensures controlled actuation in a single direction, reducing wear and improving reliability in conveyor and linear motion applications.

Pizzato limit switches are widely used in industrial automation due to their compact design, actuator versatility and consistent performance across a wide range of applications.

Typical Applications

  • Conveyor systems with directional movement.
  • End-of-travel detection in industrial machinery.
  • Packaging and processing equipment.
  • Automated production lines.
  • Machine control and monitoring systems.
  • OEM machinery and automation equipment.

Technical Specifications

IP Rating IP67
Series FR Series
Product type Limit / position switch
Contact configuration 1 NO + 1 NC
Contact type Snap action
Rated current up to 10 A
Rated voltage up to 250 V AC
Actuator type Plunger with one-way roller
Housing material Technopolymer
Protection rating IP67
Cable entry PG13.5
Cable size 3–7 mm
Operating temperature approx. −25 to +80 °C
Reset function None
HS Code 85369095
Contacts 1NO + 1NC
Actuator Type Roller plunger
Housing Material Plastic
Connection PG13.5 cable entry

Frequently Asked Questions

What is the Pizzato FR5A4-K25 used for?

This limit switch is used for position detection and control in industrial machinery and automation systems.

What makes the K25 variant different?

The K25 version features a one-way roller actuator, allowing directional actuation and reducing wear in moving systems.

What contact configuration does it have?

It features 1 normally open and 1 normally closed contact with snap-action switching.

Is it suitable for harsh environments?

Yes, the IP67 protection rating ensures reliable operation in dusty and wet industrial conditions.

What electrical ratings does it support?

It supports currents up to 10 A and voltages up to 250 V AC.

Trusted by Industrial Engineers Worldwide

Pizzato FR series limit switches are trusted across industrial sectors for their durability, precision and reliable performance in automation and machine control applications.

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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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