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NA B120BB-SMK Pizzato Modular prewired switch with roller plunger
Pizzato NAB120BB-SMK industrial limit switch with roller plunger actuator, 1 NO + 2 NC snap-action contacts, positive opening and M12 connector for automation and safety systems.
£22.74
Why Choose the Pizzato NAB120BB-SMK Limit Switch?
The Pizzato NAB120BB-SMK is a high-performance industrial limit switch from the durable Pizzato NA series, designed for accurate position detection and reliable switching in automation and safety systems. Its robust metal housing ensures long service life in demanding industrial environments.
This model features a roller plunger actuator, providing precise and repeatable mechanical actuation for detecting movement or end-of-travel positions in machinery. The integrated snap-action contact system ensures fast and consistent switching performance, making it ideal for high-cycle industrial applications.
With a 1 normally open (NO) and 2 normally closed (NC) contact configuration and positive opening mechanism, the NAB120BB-SMK is well suited to both control and safety circuits. It uses a bottom-entry M12 connector, allowing quick installation and easy maintenance without rewiring.
Key Advantages
- Reliable limit switch for industrial automation and safety systems.
- 1 NO + 2 NC contacts for flexible control and safety logic.
- Positive opening mechanism ensures safe contact separation.
- Roller plunger actuator for precise position detection.
- M12 connector interface for fast installation and replacement.
- Durable metal housing for harsh industrial environments.
Key Features
- Pizzato NA series modular limit switch.
- Model: NAB120BB-SMK
- Actuator type: Roller plunger
- Contact configuration: 1 NO + 2 NC
- Switching type: Snap-action (quick-break)
- Connection: M12 connector, bottom entry
- Housing: Metal construction
- Mounting: 20 mm fixing centres
- Positive opening: Yes
Reliable Position Detection for Industrial Systems
Limit switches such as the Pizzato NAB120BB-SMK are essential components in industrial automation. They detect the position of moving machine parts and provide precise electrical feedback to control systems, ensuring efficient operation and enhanced safety.
The snap-action switching mechanism ensures rapid response and reduced electrical wear, while the positive opening feature guarantees reliable contact separation in safety circuits. Combined with its sealed metal housing, the switch performs consistently in environments exposed to dust, vibration and moisture.
Typical Applications
- End-of-travel detection in industrial machinery.
- Safety interlocking and monitoring systems.
- Conveyor and material handling equipment.
- Packaging and processing machinery.
- Automation and production lines.
- OEM machinery and control panel integration.
Technical Specifications
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| Device Type | Limit switch | |
|---|---|---|
| IP Rating | IP67 | |
| Contacts | 1NO + 2NC | |
| Actuator Type | Roller plunger | |
| Housing Material | Metal | |
| Connection | M12 connector | |
| Series | NA Modular Prewired Position Switches | |
| Product type | Limit switch | |
| Actuator | Roller plunger | |
| Contacts | 1 NO + 2 NC snap-action | |
| Connection type | M12 connector (bottom entry) | |
| Housing material | Metal | |
| Mounting holes | 20 mm centres | |
| Protection rating | IP67 (EN 60529) / IP69K (ISO 20653) | |
| Mechanical life | up to approx. 20 million operations | |
| Operating temperature | approx. -25 to +80 °C | |
| HS Code | 85369095 |
Frequently Asked Questions
What is the Pizzato NAB120BB-SMK used for?
This limit switch is used for detecting the position of moving parts in industrial automation systems.
What actuator type does this switch use?
It uses a roller plunger actuator for accurate mechanical position detection.
What contact configuration does it provide?
The switch includes 1 normally open and 2 normally closed snap-action contacts.
Does it use a connector or cable?
This version features a bottom-entry M12 connector for easy installation and maintenance.
Is this switch suitable for safety applications?
Yes, the positive opening mechanism makes it suitable for safety-related control circuits.
Trusted by Automation Engineers Worldwide
Pizzato NA series limit switches are widely trusted for their durability, precision and reliable performance in industrial automation and machine building applications.
