FK 33A4 Pizzato Position switch with plunger, external gasket and roller

FK 33A4 Pizzato Position switch with plunger, external gasket and roller

Pizzato FK33A4 safety limit switch designed for industrial automation, machine safety and position detection applications.

SKU: FK33A4Alt SKU: FK33A4MPN: FK 33A4
Price
List Price £11.20 ex VAT
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Why Choose the Pizzato FK33A4 Safety Limit Switch?

The Pizzato FK33A4 is a high-performance safety limit switch engineered for precise position detection and reliable machine safety in industrial automation systems. As part of the trusted Pizzato FK series, this switch is designed to deliver consistent and accurate switching in demanding environments where safety and durability are critical.

Its rugged construction and dependable contact mechanism ensure long-term reliability, even under frequent operation and harsh conditions. The FK33A4 is ideal for integration into safety circuits, helping to monitor machine positions and ensure safe operation across a wide range of industrial applications.

With a compact and versatile design, this limit switch can be easily mounted on machinery, guards and moving components, making it a preferred choice for OEM machine builders and automation engineers.

Key Advantages

  • Reliable safety limit switch for machine protection and automation.
  • Robust design suitable for industrial environments.
  • Accurate position detection for enhanced safety control.
  • Compact housing for easy installation in tight spaces.
  • Designed for integration into safety circuits and interlocking systems.
  • Long operational life reduces maintenance and downtime.

Key Features

  • Pizzato FK series limit switch.
  • Durable industrial housing for extended service life.
  • Mechanical actuator for reliable switching.
  • High-quality contacts for safety applications.
  • Suitable for machine guarding and position monitoring.
  • Compact footprint for flexible mounting options.
  • Engineered for high mechanical endurance.

Reliable Safety Switching for Industrial Machinery

Safety limit switches like the FK33A4 play a critical role in ensuring safe machine operation by detecting the position of moving parts and providing feedback to control systems. This allows machinery to operate only under safe conditions, reducing risk to operators and equipment.

Pizzato safety components are widely recognised for their precision engineering and compliance with international safety standards, making them a dependable choice for modern industrial systems.

Typical Applications

  • Machine guarding and safety interlocks.
  • Industrial automation and control systems.
  • Packaging and processing machinery.
  • Conveyor and material handling systems.
  • Robotic and automated production lines.
  • Industrial doors, gates and enclosures.

Technical Specifications

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Housing Material Technopolymer
Device Type Limit switch
IP Rating IP67
Contacts 1NO + 2NC
Actuator Type Roller lever
Series FK Series
Product type Safety limit switch
Contact configuration Typically 2 NC + 1 NO
Housing material Reinforced thermoplastic or metal (series dependent)
Protection rating IP67
Operating temperature approx. -25 °C to +80 °C
Mechanical life up to several million operations
Mounting type Surface mounting
Connection type Screw terminals or cable entry (variant dependent)
Standards compliance EN ISO 14119, IEC 60947-5-1
HS Code 85369095

Frequently Asked Questions

What is the Pizzato FK33A4 used for?

This switch is used for detecting machine positions and ensuring safe operation in industrial automation systems.

What contact configuration does this model provide?

The FK33A4 typically features a combination of normally closed and normally open contacts suitable for safety circuits.

Is the FK33A4 suitable for harsh environments?

Yes, it is designed with a robust housing and high protection rating to withstand demanding industrial conditions.

Where can this limit switch be installed?

It can be mounted on machinery, guards or moving components for position monitoring and safety interlocking.

Does it meet industrial safety standards?

Yes, it is designed in accordance with standards such as EN ISO 14119 and IEC 60947-5-1.

Trusted by Automation Engineers Worldwide

Pizzato FK series safety switches are trusted across industries for delivering dependable performance, durability and safety compliance in critical machine applications.