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FM 501-K21 Pizzato Position switch with plunger
Pizzato FM501-K21 position switch with short piston plunger actuator, 1 NO + 1 NC snap-action contacts, integrated cable gland and IP67 protection for industrial automation applications.
£11.76
Why Choose the Pizzato FM501-K21 Position Switch?
The Pizzato FM501-K21 is a robust position (limit) switch with short piston plunger actuator, engineered for precise and reliable detection of mechanical movement in industrial automation systems. As part of the durable Pizzato FM series, it delivers dependable performance in demanding environments where accuracy and long-term reliability are essential.
Built with a rugged metal housing and featuring a PG13.5 conduit entry with integrated cable gland (6–12 mm), the FM501-K21 is designed to withstand dust, moisture and mechanical stress. Its short plunger actuator ensures consistent and repeatable switching, making it ideal for end-of-travel detection and position monitoring in industrial machinery.
This model incorporates a 1 NO + 1 NC snap-action contact configuration with positive opening contacts, ensuring reliable switching and safe circuit interruption where required. Designed without automatic reset, it is well suited for controlled industrial processes and safety-related control systems.
Key Advantages
- Reliable position switch for industrial automation.
- 1 NO + 1 NC snap-action contacts for fast switching response.
- Positive opening mechanism enhances safety in control circuits.
- Compact plunger actuator design for precise detection.
- Durable metal enclosure for long service life.
- IP67 protection rating suitable for harsh environments.
Key Features
- Pizzato FM series position switch.
- Short piston plunger actuator for accurate actuation.
- 1 normally open (NO) and 1 normally closed (NC) contact.
- Snap-action switching mechanism for rapid response.
- Metal housing with PG13.5 conduit entry.
- Integrated cable gland for 6–12 mm cables.
- No automatic reset function.
Precise Position Detection for Industrial Machinery
Position switches such as the Pizzato FM501-K21 are widely used in industrial automation systems to detect the movement or position of machine components. The short plunger actuator responds to linear motion, ensuring accurate and repeatable switching in machinery control applications.
With its snap-action contact design and integrated cable gland, the FM501-K21 provides both fast switching performance and simplified installation, making it suitable for conveyors, production lines and machine automation systems.
Typical Applications
- Machine position detection and end-of-travel monitoring.
- Industrial conveyors and material handling systems.
- Packaging and processing machinery.
- Automated production lines.
- Mechanical limit detection in industrial equipment.
- OEM automation and control systems.
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 | |
| Positive Opening | Yes | |
| Connection | PG13.5 cable entry | |
| Series | FM Series | |
| Product type | Position / limit switch | |
| Contact configuration | 1 NO + 1 NC (snap action) | |
| Actuator type | Short piston plunger | |
| Positive opening | Yes | |
| Housing material | Metal | |
| Conduit entry | PG13.5 with cable gland (6–12 mm) | |
| Protection rating | IP67 (EN 60529) | |
| Reset function | Without automatic reset | |
| Connection type | Screw terminals | |
| Application | Position detection and control signalling | |
| HS Code | 85369095 |
Frequently Asked Questions
What is the Pizzato FM501-K21 used for?
The FM501-K21 is used for detecting the position of moving parts in industrial machinery and automation systems.
What contact configuration does this switch have?
It features 1 normally open (NO) and 1 normally closed (NC) snap-action contacts.
What does the K21 variant indicate?
The K21 version includes an integrated cable gland for 6–12 mm cables, simplifying installation and cable management.
Is the FM501-K21 suitable for harsh environments?
Yes, it offers an IP67 protection rating, making it suitable for dusty and wet industrial conditions.
Does the switch include automatic reset?
No, this version is designed without automatic reset and is intended for controlled industrial applications.
Trusted by Industrial Engineers Worldwide
Pizzato FM series position switches are widely trusted for delivering reliable performance and precise position detection across industrial automation systems.
