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FR 656-W3K21 Pizzato Position switch with adjustable roller lever and reset device
Pizzato FR656-W3K21 industrial position switch with adjustable roller lever, manual reset device, 1NO+1NC contacts, slow-action switching and positive opening for automation and safety applications.
£15.20
Why Choose the Pizzato FR656-W3K21 Position Switch?
The Pizzato FR656-W3K21 is a high-performance industrial position switch with integrated reset device, designed for precise detection and controlled operation in automation and machine safety systems. As part of the trusted Pizzato FR series, this model features an adjustable safety lever with a technopolymer roller, ensuring smooth actuation and reliable switching even under mechanical misalignment.
Constructed with a durable technopolymer housing and reinforced zinc-plated steel components, the FR656-W3K21 is engineered for long-term reliability in harsh industrial environments. Its sealed design provides excellent resistance against dust and water ingress, making it suitable for demanding applications and washdown conditions.
This variant includes a 1 NO + 1 NC contact configuration with a slow-action switching mechanism, combined with positive opening operation and a manual reset function. This ensures safe and controlled switching in both control and safety-critical circuits such as machine guarding and interlocking systems.
Key Advantages
- Reliable limit switch with reset function for industrial position detection.
- Adjustable roller lever for smooth and consistent actuation.
- 1 NO + 1 NC contacts for flexible control circuits.
- Manual reset device enhances operational safety and control.
- Positive opening contacts for fail-safe switching.
- IP67 and IP69K protection ratings for harsh environments.
Key Features
- Pizzato FR series position switch.
- Adjustable safety lever with 20 mm technopolymer roller.
- Manual reset mechanism (simultaneous reset).
- 1 normally open + 1 normally closed contact.
- Slow-action switching mechanism.
- Positive opening safety function.
- Rated current up to 10 A.
- Maximum switching voltage up to 250 V AC.
- PG13.5 cable entry.
Controlled Switching for Industrial Safety Systems
Position switches such as the Pizzato FR656-W3K21 are used to detect movement or position within industrial machinery. The adjustable roller lever ensures smooth engagement with moving parts, reducing wear and enabling consistent actuation in high-cycle environments.
The integrated manual reset function ensures that the switch must be reset after activation, providing controlled restart capability. This makes it particularly suitable for safety circuits, emergency stop systems and machine interlocking applications where operator intervention is required before restarting machinery.
Typical Applications
- Industrial machinery position monitoring.
- Safety interlocking and guarding systems.
- Emergency stop and reset-controlled systems.
- Conveyor and material handling systems.
- Packaging and processing equipment.
- General industrial automation systems.
Technical Specifications
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| Device Type | Limit switch | |
|---|---|---|
| Housing Material | Technopolymer | |
| IP Rating | IP67 | |
| Contacts | 1NO + 1NC | |
| Actuator Type | Roller lever | |
| Connection | Pre-wired cable | |
| Series | FR Series | |
| Product type | Position / limit switch with reset | |
| Actuator type | Adjustable safety lever with roller | |
| Roller diameter | approx. 20 mm | |
| Contact configuration | 1 NO + 1 NC | |
| Switching function | Slow-action with positive opening | |
| Reset function | Manual reset (simultaneous reset) | |
| Rated current | up to 10 A | |
| Rated voltage | up to 250 V AC | |
| Housing material | Technopolymer | |
| External parts | Zinc-plated steel | |
| Contact material | Silver | |
| Protection rating | IP67 / IP69K | |
| Cable entry | PG13.5 (6–12 mm cable range) | |
| Operating temperature | approx. -25 to +80 °C | |
| Mounting | Panel / machine mounting | |
| HS Code | 85369095 |
Frequently Asked Questions
What is the Pizzato FR656-W3K21 used for?
This switch is used to detect the position or movement of machine components and provide control or safety signals in industrial automation systems.
What contact configuration does this model have?
The FR656-W3K21 includes 1 normally open and 1 normally closed contact, suitable for both control and safety applications.
What is the reset function for?
The reset function requires manual reactivation after actuation, ensuring controlled restart and improved safety.
What is positive opening functionality?
Positive opening ensures contacts are mechanically forced open, improving safety in emergency stop and interlock applications.
Is it suitable for harsh environments?
Yes, it features IP67 and IP69K protection ratings, providing resistance to dust and water ingress.
Trusted by Industrial Automation Engineers
Pizzato FR series position switches are widely trusted for their durability, precision and safety performance, making them a preferred choice for demanding industrial automation and machine protection applications.
