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FD 551-M2 Pizzato Position switch with roller lever
Pizzato FD551-M2 position limit switch with roller lever actuator, 1 NO + 1 NC snap-action contacts and metal housing for industrial automation applications.
£16.84
Why Choose the Pizzato FD551-M2 Position Limit Switch?
The Pizzato FD551-M2 is a heavy-duty position limit switch with roller lever actuator, designed for precise detection and dependable control in industrial automation systems. As part of the rugged Pizzato FD series, it delivers consistent switching performance, high durability and long operational life in demanding environments.
Constructed with a robust metal housing and a technopolymer roller lever actuator, the FD551-M2 is engineered to withstand harsh industrial conditions including vibration, dust and temperature fluctuations. Its compact rotating head allows flexible installation and accurate positioning within machinery.
This model features a 1 NO + 1 NC snap-action contact configuration with positive opening, making it suitable for both control and safety circuits. The M20 × 1.5 threaded conduit entry (M2 version) is supplied without a cable gland or connector, providing maximum flexibility for installation.
Key Advantages
- Heavy-duty position limit switch for industrial machinery.
- 1 NO + 1 NC contacts for control and safety functions.
- Positive opening NC contact for enhanced safety reliability.
- M20 conduit entry (M2 version) for flexible wiring.
- Durable metal housing for harsh environments.
- IP67 protection rating for dust and water resistance.
Key Features
- Pizzato FD series position switch.
- 1 NO + 1 NC snap-action contacts.
- Positive opening safety function.
- Technopolymer roller lever actuator (Ø20 mm).
- Metal enclosure for industrial durability.
- M20 × 1.5 threaded conduit entry.
- No pre-fitted cable gland for installation flexibility.
- Compact rotating head for flexible mounting.
Reliable Position Detection for Industrial Automation
The Pizzato FD551-M2 is designed to detect the position of moving machine components with high precision. Its roller lever actuator ensures smooth engagement and reduced wear, while snap-action contacts provide fast, repeatable switching performance.
With its combined NO and NC contact configuration, it enables flexible integration into control systems and safety circuits, supporting both operational control and safe shutdown functionality where required.
Typical Applications
- Industrial machinery and automation systems.
- End-of-travel and position detection.
- Safety guards and interlocking systems.
- Conveyor and material handling equipment.
- Packaging and production machinery.
- General industrial limit switching.
Technical Specifications
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| Device Type | Limit switch | |
|---|---|---|
| Switching Action | Snap action | |
| IP Rating | IP67 | |
| Contacts | 1NO + 1NC | |
| Actuator Type | Roller lever | |
| Housing Material | Metal | |
| Connection | M20 cable entry | |
| Series | FD Series | |
| Product type | Position limit switch | |
| Contact configuration | 1 NO + 1 NC | |
| Contact type | Snap-action, positive opening | |
| Actuator type | Roller lever (technopolymer, Ø20 mm) | |
| Housing material | Metal | |
| Connection type | Cable entry (M20 × 1.5) | |
| Protection rating | IP67 | |
| Operating temperature | approx. -25 °C to +80 °C | |
| Mechanical life | up to 20 million operations | |
| Mounting type | Surface / machine mounting | |
| HS Code | 85369095 |
Frequently Asked Questions
What is the Pizzato FD551-M2 used for?
It is used to detect the position of moving parts and provide control signals in industrial machinery and automation systems.
What contact configuration does it have?
The FD551-M2 features 1 normally open (NO) and 1 normally closed (NC) contact.
Does it support safety applications?
Yes, the NC contact includes positive opening, making it suitable for safety circuits.
What is the difference between M2 and standard versions?
The M2 version includes a M20 × 1.5 cable entry and is supplied without a cable gland, allowing flexible installation.
Is it suitable for harsh environments?
Yes, the metal housing and IP67 protection rating ensure reliable performance in demanding industrial conditions.
Trusted by Industrial Engineers Worldwide
Pizzato FD series limit switches are widely trusted for their rugged construction, precise switching and dependable performance across industrial automation systems.
