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FR 1657-K21 Pizzato Position switch with roller lever
Pizzato FR1657-K21 safety limit switch with roller lever actuator, 2 NC independent contacts with positive opening and integrated cable gland for industrial automation.
£14.50
Why Choose the Pizzato FR1657-K21 Safety Limit Switch?
The Pizzato FR1657-K21 is a high-performance safety limit switch designed for precise position detection and reliable machine safety monitoring in industrial automation systems. As part of the durable Pizzato FR series, it delivers consistent switching performance, long mechanical life and dependable operation in demanding environments.
This model features a long roller lever actuator, ensuring smooth and repeatable actuation when interacting with moving mechanical components. Its rugged technopolymer housing provides excellent resistance to dust, moisture and mechanical stress, making it ideal for harsh industrial applications.
The K21 version includes a pre-installed cable gland suitable for cable diameters of approximately 6–12 mm, simplifying installation and ensuring a secure connection. It is equipped with 2 normally closed (NC) slow-action independent contacts with positive opening, making it ideal for safety circuits where guaranteed contact separation is required.
Key Advantages
- Reliable safety limit switch for industrial automation.
- Roller lever actuator for smooth and precise actuation.
- 2 NC independent contacts with positive opening for safety-critical systems.
- Pre-fitted K21 cable gland for fast and secure wiring.
- Durable technopolymer housing for harsh environments.
- Long mechanical life with consistent switching performance.
Key Features
- Pizzato FR series position and safety switch.
- Model: FR1657-K21.
- Actuator type: Long roller lever.
- Contact configuration: 2 NC slow-action independent contacts.
- Positive opening operation for safety circuits.
- K21 cable gland included for Ø 6–12 mm cables.
- Technopolymer housing with PG13.5 entry.
- High resistance to mechanical wear and environmental conditions.
Reliable Position Detection and Machine Safety
The FR1657-K21 safety limit switch is designed to monitor movement and position within industrial machinery, helping to prevent overtravel and ensure safe operation. Its roller lever actuator allows smooth interaction with moving parts, delivering accurate and repeatable switching signals.
With its positive opening contacts and independent NC configuration, the switch is well suited to safety circuits where reliable disconnection is essential. The integrated cable gland further enhances installation efficiency and environmental sealing.
Typical Applications
- Machine guarding and safety interlocking systems.
- Position detection in industrial machinery.
- Conveyor systems and material handling equipment.
- Packaging and processing machinery.
- Automated production lines and robotics.
- OEM machine building and automation systems.
Technical Specifications
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| Device Type | Limit switch | |
|---|---|---|
| Housing Material | Technopolymer | |
| Switching Action | Slow action | |
| IP Rating | IP67 | |
| Contacts | 2NC | |
| Actuator Type | Roller lever | |
| Connection | Pre-wired cable | |
| Series | FR Series | |
| Product type | Safety limit switch / position switch | |
| Actuator | Roller lever | |
| Contact configuration | 2 NC (independent) | |
| Contact type | Slow-action, positive opening | |
| Rated current | up to 10 A | |
| Rated voltage | up to 250 V AC | |
| Rated insulation voltage | up to 500 V | |
| Protection rating | IP67 | |
| Operating temperature | approx. -25 °C to +80 °C | |
| Housing material | Technopolymer | |
| Cable entry | PG13.5 with K21 gland (6–12 mm cable) | |
| Mounting | Standard industrial mounting | |
| HS Code | 85369095 |
Frequently Asked Questions
What is the Pizzato FR1657-K21 used for?
This switch is used for position detection and machine safety monitoring in industrial automation systems.
What does the K21 version include?
The K21 version includes a pre-installed cable gland suitable for cables with a diameter of approximately 6–12 mm.
What contact configuration does it have?
This model includes 2 normally closed (NC) independent contacts with positive opening for safety circuits.
Is this switch suitable for harsh environments?
Yes, with an IP67 protection rating, it is designed for demanding industrial conditions.
What type of actuator is used?
The FR1657-K21 features a roller lever actuator for smooth and reliable actuation.
Trusted by Industrial Automation Engineers
Pizzato FR series limit switches are widely trusted for their durability, precision engineering and reliable performance in safety-critical industrial applications.
