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FR 9A1-K21 Pizzato Position switch with short piston plunger, external gasket
Pizzato FR9A1-K21 safety limit switch with short piston plunger, 2 NC contacts, positive opening and IP67 protection for industrial position monitoring and machine safety applications.
£8.80
Why Choose the Pizzato FR9A1-K21 Safety Limit Switch?
The Pizzato FR9A1-K21 is a compact and highly reliable safety limit switch designed for precise position monitoring and machine safety in industrial automation systems. As part of the robust Pizzato FR series, it provides consistent switching performance, long mechanical life and dependable operation in demanding environments.
This model features a short piston plunger actuator with external gasket, ensuring accurate detection of moving components while maintaining excellent sealing against dust and moisture. Its durable technopolymer housing offers strong resistance to mechanical stress and environmental conditions.
With a 2 normally closed (2 NC) contact configuration and positive opening operation, the FR9A1-K21 is ideal for safety circuits, helping engineers achieve compliance with industrial safety standards while maintaining reliable system performance.
Key Advantages
- Reliable safety limit switch for industrial machinery.
- 2 NC contacts with positive opening for safety-critical applications.
- Short piston plunger with external gasket for precise and sealed operation.
- Compact design ideal for space-constrained installations.
- High resistance to dust, moisture and vibration.
- Long mechanical lifespan reduces maintenance requirements.
Key Features
- Pizzato FR series position switch.
- Short piston plunger actuator with external sealing gasket.
- 2 NC slow-action contacts with positive opening.
- Technopolymer housing with high mechanical resistance.
- Silver contacts for reliable electrical performance.
- Single conduit entry with cable gland compatibility.
- Designed for continuous industrial operation.
Reliable Position Detection for Machine Safety
The Pizzato FR9A1-K21 safety limit switch provides accurate feedback for machine position monitoring and end-of-travel detection. Its positive opening contacts ensure safe disconnection in safety circuits, making it suitable for applications requiring high reliability and compliance with safety standards.
Thanks to its compact design and sealed construction, it is ideal for installations where space is limited but durability and performance are critical. It helps engineers improve safety, reduce downtime and maintain consistent machine operation.
Typical Applications
- Machine guarding and safety interlocking systems.
- Industrial automation and production lines.
- Compact machinery with limited installation space.
- Conveyor and material handling systems.
- Packaging and assembly equipment.
- Position monitoring of moving components.
Technical Specifications
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| Device Type | Limit switch | |
|---|---|---|
| Housing Material | Technopolymer | |
| IP Rating | IP67 | |
| Contacts | 2NC | |
| Actuator Type | Plunger | |
| Connection | PG13.5 cable entry | |
| Series | FR Series | |
| Product type | Safety limit / position switch | |
| Actuator type | Short piston plunger with external gasket | |
| Contact configuration | 2 NC (normally closed) | |
| Switching type | Slow action with positive opening | |
| Rated insulation voltage | 500 V | |
| Thermal current | 10 A | |
| Maximum switching voltage | up to 250 V AC | |
| Protection rating | IP67 | |
| Housing material | Technopolymer | |
| Contact material | Silver contacts | |
| Operating temperature | approx. -25 °C to +80 °C | |
| Cable entry | PG13.5 threaded entry (for 6–12 mm cable) | |
| Mounting type | Surface / panel mounting | |
| HS Code | 85369095 |
Frequently Asked Questions
What is the Pizzato FR9A1-K21 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 FR9A1-K21 features 2 normally closed contacts with positive opening for safety applications.
What type of actuator does this model use?
This model uses a short piston plunger actuator with external gasket for precise and sealed operation.
Is this switch suitable for harsh industrial environments?
Yes, it has an IP67 protection rating and durable construction, making it suitable for demanding industrial conditions.
What cable size does it support?
The switch supports cable diameters of approximately 6–12 mm via its PG13.5 cable entry.
Trusted by Industrial Engineers Worldwide
Pizzato FR series limit switches are widely trusted for their durability, safety performance and precision in industrial automation and machine protection systems.
