FD 1634-M2 Pizzato Position switch, coiled spring lever with plastic point

FD 1634-M2 Pizzato Position switch, coiled spring lever with plastic point

Pizzato FD1634-M2 position limit switch with flexible rod lever actuator, 2NC slow-action independent contacts and IP67 protection for industrial automation applications.

SKU: FD1634-M2Alt SKU: FD1634M2MPN: FD 1634-M2
Price
List Price £24.50 ex VAT
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£24.50
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£24.50

Why Choose the Pizzato FD1634-M2 Limit Switch?

The Pizzato FD1634-M2 is a heavy-duty industrial position limit switch with coiled spring rod actuator, engineered for reliable and safety-focused position detection in demanding automation environments. As part of the robust Pizzato FD series, it delivers consistent switching performance and long mechanical life for high-cycle industrial applications.

This model features a coiled spring lever with plastic tip, allowing tolerance to misalignment and variable contact points. This makes it ideal for machinery where precise alignment cannot be guaranteed. Its metal housing with M20 × 1.5 conduit entry provides excellent resistance to vibration, dust, and moisture, ensuring dependable operation in harsh industrial conditions.

Equipped with a 2 NC slow-action independent contact configuration, the FD1634-M2 is optimised for safety circuits. Normally closed contacts ensure fail-safe operation by opening the circuit when actuated or in the event of a fault, making it suitable for machine safety interlocks and protective systems.

Key Advantages

  • Heavy-duty limit switch for industrial automation.
  • Coiled spring actuator compensates for misalignment.
  • 2 NC contact configuration ideal for safety circuits.
  • Independent slow-action contacts for reliable switching.
  • Durable metal housing for harsh environments.
  • IP67 protection rating for dust and water resistance.

Key Features

  • Pizzato FD series position switch.
  • Coiled spring lever with plastic tip.
  • Contact configuration: 2 NC (independent).
  • Slow-action switching mechanism.
  • M20 × 1.5 conduit entry (no cable gland supplied).
  • IP67 protection rating to EN 60529.
  • Designed for high-cycle industrial applications.

Designed for Flexible and Safe Actuation

Limit switches such as the Pizzato FD1634-M2 provide essential feedback for monitoring the position of moving machine components. The coiled spring actuator allows flexible engagement, reducing mechanical stress and improving durability where alignment varies.

The use of normally closed contacts enhances safety by ensuring fail-safe behaviour, where circuits open in the event of a fault or activation, making it suitable for critical machine safety applications.

Typical Applications

  • Machine safety interlocks and protective circuits.
  • End-of-travel detection in industrial machinery.
  • Automation and control systems.
  • Conveyor and material handling equipment.
  • Packaging and processing machinery.
  • OEM machine building and integration.

Technical Specifications

IP Rating IP67
Series FD Series
Product type Limit / position switch
Actuator type Coiled spring rod with plastic tip
Contact configuration 2 NC (independent)
Contact type Slow-action
Rated current up to 10 A
Rated voltage up to 500 V AC / 250 V DC
Protection rating IP67
Housing material Metal
Connection type M20 × 1.5 conduit entry
Operating temperature -25 to +80 °C
Mechanical durability approx. 20,000,000 cycles
HS Code 85369095
Contacts 2NC
Actuator Type Spring rod / wobble stick
Housing Material Metal
Connection M20 cable entry

Frequently Asked Questions

What is the Pizzato FD1634-M2 used for?

This limit switch is used for position detection and safety monitoring in industrial automation and machine control systems.

What type of actuator does the FD1634-M2 use?

It uses a coiled spring rod actuator with a plastic tip, allowing flexible and tolerant actuation.

What contact configuration does it have?

The FD1634-M2 features two normally closed (2 NC) slow-action independent contacts.

Why are normally closed contacts used in safety systems?

Normally closed contacts ensure fail-safe operation, opening the circuit in the event of a fault such as a broken wire.

Is the FD1634-M2 suitable for harsh environments?

Yes, its metal housing and IP67 protection rating make it suitable for demanding industrial conditions.

Trusted by Automation Engineers Worldwide

Pizzato FD series limit switches are widely trusted for their durability, precision, and reliable performance in industrial automation and safety-critical applications.

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