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NA B220BB-SMK Pizzato Modular prewired switch with roller plunger
Pizzato NAB220BB-SMK industrial limit switch with roller plunger actuator, 2 NO + 2 NC snap-action contacts, positive opening and M12 connector for automation and safety systems.
£25.62
Why Choose the Pizzato NAB220BB-SMK Limit Switch?
The Pizzato NAB220BB-SMK is a heavy-duty industrial limit switch from the robust Pizzato NA series, designed for precise position detection and dependable switching in demanding automation and safety systems. Its rugged metal housing ensures long-lasting durability in harsh industrial environments.
This model features a roller plunger actuator, delivering accurate and repeatable mechanical actuation for detecting movement or end-of-travel positions in machinery. The integrated snap-action contact mechanism ensures fast switching response and consistent performance, even in high-cycle applications.
With a 2 normally open (NO) and 2 normally closed (NC) contact configuration and positive opening mechanism, the NAB220BB-SMK is ideal for advanced control and safety circuits. It includes a bottom-entry M12 connector, allowing fast installation, easy replacement, and reduced downtime.
Key Advantages
- Reliable limit switch for industrial automation and safety systems.
- 2 NO + 2 NC contacts for complex control and safety logic.
- Positive opening mechanism ensures safe contact separation.
- Roller plunger actuator for accurate position detection.
- M12 connector interface enables quick installation and maintenance.
- Durable metal housing suitable for harsh industrial environments.
Key Features
- Pizzato NA series modular limit switch.
- Model: NAB220BB-SMK
- Actuator type: Roller plunger
- Contact configuration: 2 NO + 2 NC
- Switching type: Snap-action (quick-break)
- Connection: M12 connector, bottom entry
- Housing: Metal construction
- Mounting: 20–25 mm fixing centres
- Positive opening: Yes
Reliable Position Detection for Industrial Systems
Limit switches such as the Pizzato NAB220BB-SMK are essential components in industrial automation. They detect the position of moving machine parts and provide accurate electrical feedback to control systems, ensuring efficient operation and improved 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, this 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 panels.
Technical Specifications
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| Device Type | Limit switch | |
|---|---|---|
| IP Rating | IP67 | |
| Contacts | 2NO + 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 | 2 NO + 2 NC snap-action | |
| Connection type | M12 connector (bottom entry) | |
| Housing material | Metal | |
| Protection rating | IP67 | |
| Mechanical life | up to approx. 20 million operations | |
| Weight | approx. 0.1 kg | |
| HS Code | 85369095 |
Frequently Asked Questions
What is the Pizzato NAB220BB-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 2 normally open and 2 normally closed snap-action contacts with positive opening.
Does it use a connector or cable?
This version features a bottom-entry M12 connector, allowing quick installation and easy replacement.
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 trusted worldwide for their durability, precision and dependable performance in industrial automation and machine building applications.
