FR 593-D5K21 Pizzato Safety switch with separate actuator

FR 593-D5K21 Pizzato Safety switch with separate actuator

Pizzato FR593-D5K21 safety switch with separate actuator, featuring 1 NO + 1 NC snap-action contacts, positive opening and IP67 protection for industrial machine guarding applications.

SKU: FR593-D5K21Alt SKU: FR593D5K21MPN: FR 593-D5K21
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Why Choose the Pizzato FR593-D5K21 Safety Switch?

The Pizzato FR593-D5K21 is a heavy-duty safety switch with separate actuator, designed for reliable machine guarding and industrial safety applications. As part of the established Pizzato FR series, it ensures safe operation by detecting guard position and interrupting control circuits when access points are opened.

This model features a D5 actuator configuration combined with a K21 connector interface, providing flexible installation alongside fast and secure electrical connection. The separate actuator mechanism ensures that opening a guard disengages the actuator, forcing the safety contacts to open and immediately stopping machine operation.

Constructed with a durable technopolymer housing and designed for long mechanical life, the FR593-D5K21 delivers dependable performance in demanding industrial environments. With an IP67 protection rating, it is suitable for use in applications exposed to dust, moisture and vibration.

Key Advantages

  • Reliable safety switch with separate actuator for guard monitoring.
  • Positive opening contacts ensure safe circuit interruption.
  • D5 actuator configuration enables stable and secure engagement.
  • K21 connector allows quick and secure wiring.
  • Compact and durable design for industrial environments.
  • Prevents machine restart when guards are open.

Key Features

  • Pizzato FR series safety switch.
  • Separate actuator (D5 type) for guard interlocking.
  • K21 connector interface for efficient installation.
  • 1 normally open (NO) + 1 normally closed (NC) contact.
  • Snap-action switching mechanism.
  • Positive opening NC contact for safety circuits.
  • Technopolymer housing with high mechanical resistance.
  • IP67 protection rating for dust and water resistance.

Reliable Guard Interlocking for Industrial Machinery

The FR593-D5K21 operates by separating the actuator from the switch body when a guard is opened. This forces the positive opening of the safety contacts, ensuring machinery stops immediately and cannot restart until the guard is securely closed.

Safety switches with separate actuators are essential components in modern industrial safety systems, helping protect operators, reduce risk and ensure compliance with machinery safety regulations.

Typical Applications

  • Machine guarding and safety interlocking systems.
  • Industrial automation and production lines.
  • Conveyor systems and material handling equipment.
  • Packaging and processing machinery.
  • Robotics and automated manufacturing systems.
  • OEM machine building and safety integration.

Technical Specifications

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Housing Material Technopolymer
Device Type Guard-locking switch
Product Series Pizzato FR
IP Rating IP67
Contacts 1NO + 1NC
Safety Switch Type Tongue interlock
Series FR Series
Product type Safety switch with separate actuator
Actuator type D5 actuator
Contact configuration 1 NO + 1 NC
Switching mechanism Snap-action with positive opening
Connection type K21 connector
Protection rating IP67
Housing material Reinforced technopolymer
Operating temperature approx. -25 to +80 °C
Standards EN 60947-5-1, EN ISO 14119
HS Code 85369095

Frequently Asked Questions

What is the Pizzato FR593-D5K21 used for?

This safety switch is used to monitor guards and stop machinery when access doors or protective barriers are opened.

What does the D5 actuator mean?

The D5 actuator is designed for stable and reliable engagement in guard interlocking applications.

What connection type does it use?

This version uses a K21 connector for fast and secure electrical installation.

What contact configuration does it have?

It features 1 normally open (NO) and 1 normally closed (NC) contact with positive opening.

Is it suitable for industrial environments?

Yes, with an IP67 protection rating, it is suitable for harsh environments with dust and moisture exposure.

Trusted by Industrial Engineers Worldwide

Pizzato FR series safety switches are trusted by automation engineers for reliable guard monitoring, durability and compliance with international safety standards.