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FR 21A2 Pizzato Position switch with one-way roller, external gasket
Pizzato FR21A2 safety limit switch with one-way roller actuator, 3 NC contacts, positive opening and IP67 protection for industrial position monitoring and machine safety applications.
£11.94
Why Choose the Pizzato FR21A2 Safety Limit Switch?
The Pizzato FR21A2 is a heavy-duty safety limit switch designed for precise position detection and reliable machine safety in industrial automation systems. As part of the robust Pizzato FR series, it delivers consistent switching performance and long mechanical life in demanding environments.
This model features a one-way roller actuator with external gasket, enabling controlled directional actuation while ensuring strong protection against dust and moisture ingress. Its technopolymer housing combined with zinc-plated internal components provides excellent resistance to mechanical stress and harsh industrial conditions.
With a 3 normally closed (3 NC) contact configuration and slow-action switching with positive opening, the FR21A2 is specifically designed for safety circuits, ensuring reliable disconnection in critical applications and compliance with industrial safety requirements.
Key Advantages
- Reliable safety limit switch for industrial machinery.
- 3 NC contacts ideal for safety monitoring circuits.
- Positive opening contacts for enhanced safety performance.
- One-way roller actuator for controlled directional actuation.
- External gasket improves resistance to dust and moisture.
- Durable construction ensures long service life in harsh environments.
Key Features
- Pizzato FR series position switch.
- One-way roller actuator with external sealing.
- 3 NC slow-action contacts with positive opening.
- Technopolymer housing with high mechanical resistance.
- Silver contacts for reliable electrical performance.
- PG13.5 cable entry for standard industrial wiring.
- Designed for continuous-duty industrial operation.
Reliable Position Detection for Machine Safety
The Pizzato FR21A2 safety limit switch provides precise position feedback for moving machine components, ensuring safe and controlled operation. Its one-way roller actuator is ideal for applications involving directional motion, improving repeatability and reducing mechanical wear.
The inclusion of positive opening contacts ensures safe interruption of circuits in emergency or fault conditions, making it suitable for machine guarding, interlocking and safety systems across industrial automation environments.
Typical Applications
- Machine guarding and safety interlocking systems.
- Industrial automation and production lines.
- Conveyor and material handling systems.
- Packaging and assembly machinery.
- Position monitoring of moving components.
- OEM machinery and control systems.
Technical Specifications
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| Device Type | Limit switch | |
|---|---|---|
| Housing Material | Technopolymer | |
| IP Rating | IP67 | |
| Contacts | 3NC | |
| Actuator Type | Roller lever | |
| Connection | PG13.5 cable entry | |
| Series | FR Series | |
| Product type | Safety limit / position switch | |
| Actuator type | One-way roller with external gasket | |
| Contact configuration | 3 NC (normally closed) | |
| Switching type | Slow action with positive opening | |
| Rated insulation voltage | 500 V | |
| Maximum switching voltage | up to 250 V AC | |
| Thermal current | 10 A | |
| Protection rating | IP67 | |
| Housing material | Technopolymer | |
| Operating temperature | approx. -25 °C to +80 °C | |
| Cable entry | PG13.5 threaded entry | |
| Dimensions | approx. 51.5 × 30.8 × 30.8 mm | |
| HS Code | 85369095 |
Frequently Asked Questions
What is the Pizzato FR21A2 used for?
This safety limit switch is used for position monitoring and machine safety, detecting movement or end-of-travel positions in industrial equipment.
What contact configuration does this switch have?
The FR21A2 features 3 normally closed contacts, making it suitable for safety monitoring and interlocking circuits.
Does this switch support safety applications?
Yes, it includes positive opening contacts, ensuring safe disconnection in safety-critical systems.
Is this switch suitable for harsh industrial environments?
Yes, it has an IP67 protection rating and sealed construction, making it suitable for demanding industrial environments.
What type of actuator does this model use?
This model uses a one-way roller actuator for smooth and controlled directional actuation.
Trusted by Industrial Engineers Worldwide
Pizzato FR series limit switches are widely trusted for their durability, precision and safety performance in industrial automation and machine protection systems.
