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FR 551-K21T6 Pizzato Position switch with roller lever
Pizzato FR551-K21T6 position switch with roller lever, 1 NO + 1 NC snap-action contact, integrated cable gland and extended temperature range for industrial automation.
£11.14
Why Choose the Pizzato FR551-K21T6 Position Switch?
The Pizzato FR551-K21T6 is a robust and reliable industrial position switch with roller lever, designed for precise mechanical position detection in automation and control systems. As part of the durable Pizzato FR series, it delivers consistent switching performance in demanding industrial environments.
This model features a roller lever actuator with zinc-plated steel construction and central roller, ensuring smooth actuation and long mechanical life. The rugged technopolymer housing provides excellent resistance to impact, dust and moisture, making it suitable for continuous operation in industrial applications.
Equipped with 1 normally open (NO) and 1 normally closed (NC) snap-action contact, the FR551-K21T6 delivers fast and reliable switching for control circuits. It includes a PG13.5 threaded conduit entry with cable gland (6–12 mm) for secure wiring, and supports operation in a wide temperature range down to approximately -40 °C, making it suitable for demanding environments.
Key Advantages
- Reliable position switch for industrial automation applications.
- Roller lever actuator ensures smooth and consistent operation.
- 1 NO + 1 NC contact configuration for versatile switching.
- Durable technopolymer housing for extended service life.
- Wide operating temperature range including low-temperature environments.
- Integrated cable gland for secure and simplified installation.
Key Features
- Pizzato FR series position switch.
- Roller lever with zinc-plated steel components.
- 1 normally open (NO) + 1 normally closed (NC) contact.
- Snap-action switching mechanism.
- Technopolymer enclosure with industrial durability.
- PG13.5 threaded conduit entry with cable gland (6–12 mm).
- IP67 protection rating.
- Operating temperature range down to approx. -40 °C.
Reliable Position Detection for Industrial Systems
Position switches such as the Pizzato FR551-K21T6 are used to monitor machine movement and provide feedback signals to control systems. When actuated, the roller lever triggers internal contacts, enabling precise machine control and safe automation.
The snap-action switching mechanism ensures rapid response and consistent switching performance, while the extended temperature range makes this model suitable for both standard and cold-environment industrial applications.
Typical Applications
- Machine position monitoring and end-of-travel detection.
- Cold storage and low-temperature industrial environments.
- Conveyor and material handling systems.
- Packaging and production machinery.
- Industrial automation and control panels.
- OEM machine building applications.
Technical Specifications
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| Device Type | Limit switch | |
|---|---|---|
| Housing Material | Technopolymer | |
| IP Rating | IP67 | |
| Contacts | 1NO + 1NC | |
| Actuator Type | Roller lever | |
| Connection | PG13.5 cable entry | |
| Series | FR Series | |
| Product type | Position / limit switch | |
| Actuator type | Roller lever (zinc-plated steel) | |
| Contact configuration | 1 NO + 1 NC | |
| Contact action | Snap action | |
| Rated current | up to 10 A | |
| Rated voltage | up to 250–500 V AC | |
| Housing material | Technopolymer | |
| Protection rating | IP67 | |
| Connection | PG13.5 threaded conduit entry with cable gland | |
| Cable diameter | approx. 6–12 mm | |
| Operating temperature | approx. -40 to +80 °C | |
| Contact material | Silver contacts | |
| HS Code | 85369095 |
Frequently Asked Questions
What is the Pizzato FR551-K21T6 used for?
The FR551-K21T6 is used to detect the position of moving machine components and provide control signals in industrial automation systems.
What contact configuration does this switch have?
It features 1 normally open (NO) and 1 normally closed (NC) contact.
What is special about the K21T6 version?
This variant includes an integrated cable gland and supports a wider operating temperature range, including low-temperature environments.
What type of switching mechanism does it use?
The FR551-K21T6 uses a snap-action mechanism for fast and reliable switching.
What temperature range can it operate in?
The switch operates within a temperature range of approximately -40 to +80 °C.
Trusted by Industrial Engineers Worldwide
Pizzato FR series position switches are widely trusted for their durability, precision and reliable switching performance in industrial automation systems.
