FM 508-K21 Pizzato Position switch with piston plunger

FM 508-K21 Pizzato Position switch with piston plunger

Pizzato FM508-K21 position switch with piston plunger actuator, 1NO+1NC snap-action contacts and metal housing with cable gland for industrial automation.

SKU: FM508-K21Alt SKU: FM508K21MPN: FM 508-K21
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Why Choose the Pizzato FM508-K21 Limit Switch?

The Pizzato FM508-K21 is a compact and highly reliable position and limit switch designed for precise linear motion detection in industrial automation systems. As part of the robust Pizzato FM series, it offers dependable switching performance in demanding environments where accuracy and durability are critical.

This model features a piston plunger actuator combined with a durable metal housing, ensuring consistent and repeatable actuation under continuous mechanical stress. Its snap-action contact system enables fast switching response, making it ideal for responsive control and signalling applications.

With a 1 normally open (NO) and 1 normally closed (NC) contact configuration and a PG13.5 conduit entry with cable gland, the FM508-K21 provides flexible wiring and secure installation in industrial machinery and control panels.

Key Advantages

  • Reliable limit switch for industrial automation and machine control.
  • Piston plunger actuator for precise linear motion detection.
  • Durable metal housing for long service life in harsh environments.
  • 1 NO + 1 NC contacts for flexible control and signalling.
  • Snap-action switching ensures fast and repeatable operation.
  • Integrated cable gland for 6–12 mm cables for secure wiring.

Key Features

  • Pizzato FM series position switch.
  • 1 NO + 1 NC contact configuration.
  • Snap-action (quick-break) switching.
  • Piston plunger actuator.
  • Metal housing for industrial durability.
  • PG13.5 conduit entry with cable gland.
  • No reset mechanism.
  • IP67 protection rating.

Reliable Position Detection for Industrial Machinery

The Pizzato FM508-K21 is designed to detect mechanical limits and provide accurate switching signals to control systems. Its piston plunger actuator ensures precise response to linear movement, making it ideal for end-of-travel detection and machine sequencing operations.

With fast snap-action switching and robust construction, this switch supports efficient automation processes, improving responsiveness and reducing downtime in industrial environments.

Typical Applications

  • Industrial machinery and automation systems.
  • Conveyor and material handling equipment.
  • Packaging and processing machinery.
  • Position detection in production lines.
  • Machine control and limit detection.
  • OEM equipment and control panels.

Technical Specifications

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Device Type Limit switch
Switching Action Snap action
IP Rating IP67
Contacts 1NO + 1NC
Actuator Type Plunger
Housing Material Metal
Connection PG13.5 cable entry
Series FM Series
Product type Position / limit switch
Housing material Metal
Actuator type Piston plunger
Contact configuration 1 NO + 1 NC (snap action)
Connection type Screw terminals
Conduit entry PG13.5 with cable gland (6–12 mm)
Rated insulation voltage up to 500 V
Thermal current up to 10 A
Protection rating IP67
Operating temperature approx. -25 °C to +80 °C
HS Code 85369095

Frequently Asked Questions

What is the Pizzato FM508-K21 used for?

This switch is used to detect mechanical position limits and provide control signals in industrial automation systems.

What contact configuration does the FM508-K21 have?

The FM508-K21 features 1 normally open (NO) and 1 normally closed (NC) contact for flexible control applications.

What actuator does the FM508-K21 use?

It uses a piston plunger actuator for precise linear motion detection.

Is this switch suitable for industrial environments?

Yes, it has a durable metal housing and IP67 protection rating suitable for harsh industrial conditions.

What is the cable entry type?

The switch includes a PG13.5 conduit entry with cable gland for cables between 6–12 mm diameter.

Trusted by Industrial Engineers Worldwide

Pizzato FM series limit switches are widely trusted for their robust construction, precision engineering and dependable performance in industrial automation and machine control applications.