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FR 1634-K21 Pizzato Position switch, coiled spring lever with plastic point
Pizzato FR1634-K21 position switch with coiled spring actuator, 2 NC independent contacts, technopolymer housing and integrated cable gland for industrial automation.
£15.27
Why Choose the Pizzato FR1634-K21 Position Switch?
The Pizzato FR1634-K21 is a robust and industrial-grade position limit switch from the reliable Pizzato FR series, designed for precise mechanical position detection in automation and machine control systems. Built for durability and consistent performance, it is well suited to demanding industrial environments.
This model features a coiled spring rod with plastic tip actuator, allowing flexible and tolerant actuation even where alignment is not perfect. The technopolymer housing provides excellent resistance to mechanical stress, corrosion and environmental exposure, ensuring long operational life.
With a 2 NC slow-action independent contact configuration and integrated cable gland (K21 version), the FR1634-K21 is ideal for safety and control applications requiring reliable circuit interruption and secure wiring.
Key Advantages
- Reliable position switch for industrial automation.
- 2 NC independent contacts for safety-oriented applications.
- Flexible spring actuator for misalignment tolerance.
- Integrated cable gland (K21) for fast and secure installation.
- Technopolymer housing for durability and corrosion resistance.
- IP67 protection rating suitable for harsh environments.
Key Features
- Pizzato FR series position switch.
- 2 NC slow-action independent contacts.
- Coiled spring rod with plastic tip actuator.
- K21 cable gland entry for cables approx. 6–12 mm.
- Technopolymer enclosure with high mechanical strength.
- Silver contacts for reliable electrical conductivity.
- Designed for continuous industrial duty.
Reliable Position Detection for Industrial Systems
Position switches such as the Pizzato FR1634-K21 are essential for monitoring the movement and position of mechanical components. The flexible spring actuator allows accurate detection even with variable alignment, improving reliability and reducing mechanical stress.
The FR series is widely used in industrial automation due to its durable construction and consistent switching performance. Its sealed design and cable gland entry ensure dependable operation in environments exposed to dust, moisture and vibration.
Typical Applications
- Industrial automation and machine control systems.
- Machine guarding and safety circuits using NC contacts.
- Conveyor and material handling equipment.
- Packaging and production machinery.
- Position monitoring of moving components.
- General-purpose industrial signalling and control.
Technical Specifications
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| Device Type | Limit switch | |
|---|---|---|
| Housing Material | Technopolymer | |
| Switching Action | Slow action | |
| IP Rating | IP67 | |
| Contacts | 2NC | |
| Actuator Type | Spring rod / wobble stick | |
| Series | FR Position Switch Series | |
| Product type | Position limit switch | |
| Contact configuration | 2 NC (slow action, independent) | |
| Rated current | up to 10 A | |
| Rated voltage | up to 250 V AC | |
| Protection rating | IP67 (IP69K depending on configuration) | |
| Housing material | Technopolymer | |
| Actuator type | Coiled spring rod with plastic tip | |
| Connection type | Integrated cable gland (K21) | |
| Cable range | approx. 6–12 mm | |
| Operating temperature | approx. -25 to +80 °C | |
| Contacts | Silver contacts | |
| HS Code | 85369095 |
Frequently Asked Questions
What is the Pizzato FR1634-K21 used for?
This switch is used to detect the position or movement of mechanical components in industrial automation systems.
What contact configuration does this model have?
The FR1634-K21 features 2 normally closed (NC) slow-action independent contacts.
What does the K21 version indicate?
The K21 variant includes an integrated cable gland suitable for cables approximately 6–12 mm in diameter.
Is it suitable for safety applications?
Yes, the NC contacts are typically used in safety circuits where circuit interruption is required when the actuator is triggered.
What environments is it suitable for?
With IP67 protection and robust construction, it is suitable for dusty, wet and industrial environments.
Trusted by Industrial Engineers Worldwide
Pizzato FR series switches are widely trusted for their reliability, durability and consistent performance in industrial automation and safety systems.
