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NB B120AC-DN2 Pizzato Modular prewired switch with long plunger
Pizzato NBB120AC-DN2 safety limit switch with metal housing, long plunger actuator, 1 NO and 2 NC snap-action contacts, positive opening mechanism and 2 m pre-wired cable.
£23.52
Why Choose the Pizzato NBB120AC-DN2 Safety Limit Switch?
The Pizzato NBB120AC-DN2 is a heavy-duty safety limit switch engineered for accurate position monitoring and reliable machine safety interlocking in industrial automation systems. As part of the modular Pizzato NB series, it is designed to deliver long-term performance in demanding industrial environments.
Constructed with a robust metal housing, this switch provides excellent resistance to vibration, impact and mechanical stress. Its modular design ensures easy integration into machinery where reliability, repeatability and safety compliance are essential.
The NBB120AC-DN2 features a long plunger actuator and a snap-action contact system with positive opening operation, ensuring fast switching and dependable disconnection in safety circuits. It is supplied with a pre-wired PVC cable (2 m), simplifying installation and reducing wiring time.
Key Advantages
- Rugged metal housing for industrial durability.
- Positive opening contacts for safety-critical applications.
- 2 metre pre-wired cable for easy installation.
- Long plunger actuator for extended detection range.
- 1 NO + 2 NC contacts for enhanced safety redundancy.
- High mechanical endurance for long service life.
Key Features
- Pizzato NB series modular pre-wired limit switch.
- Long plunger actuator for linear motion detection.
- 1 NO + 2 NC contact configuration.
- Snap-action switching mechanism.
- Positive opening operation compliant with EN 60947-5-1.
- IP67 / IP69K protection rating for harsh environments.
- Metal housing with approx. 25 mm fixing centres.
- PVC cable connection (2 m).
Designed for High-Integrity Safety Systems
The Pizzato NBB120AC-DN2 is engineered to monitor machine positions and ensure safe operation by triggering control responses when limits are reached. Its dual NC contacts provide redundancy, supporting higher safety integrity levels and improving overall system reliability.
The positive opening mechanism guarantees reliable contact separation even under fault conditions, making this switch suitable for demanding industrial safety applications.
Typical Applications
- Machine guarding and safety interlocking systems.
- Industrial automation and control systems.
- Position monitoring of machinery and moving parts.
- Packaging and production equipment.
- Conveyor and material handling systems.
- OEM machinery requiring redundant safety signals.
Technical Specifications
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| Device Type | Limit switch | |
|---|---|---|
| Switching Action | Snap action | |
| IP Rating | IP67 | |
| Contacts | 1NO + 2NC | |
| Actuator Type | Plunger | |
| Housing Material | Metal | |
| Connection | Pre-wired cable | |
| Series | NB Series | |
| Product type | Safety limit switch | |
| Contact configuration | 1 NO + 2 NC | |
| Contact type | Snap action with positive opening | |
| Actuator type | Long plunger | |
| Rated insulation voltage | up to 300 V | |
| Thermal current | up to 10 A | |
| Protection rating | IP67 / IP69K | |
| Housing material | Metal | |
| Mechanical life | >10 million operations | |
| Operating temperature | approx. -25 to +80 °C | |
| Connection type | Pre-wired PVC cable (2 m) | |
| Mounting type | Surface mounting | |
| HS Code | 85369095 |
Frequently Asked Questions
What is the Pizzato NBB120AC-DN2 used for?
This switch is used for position detection and safety monitoring in industrial machinery and automation systems.
What contact configuration does this model have?
The NBB120AC-DN2 features 1 normally open (NO) and 2 normally closed (NC) contacts.
What is the advantage of the long plunger actuator?
The long plunger provides extended actuation travel, making it suitable for applications requiring greater detection distance.
What connection type does it use?
It uses a pre-wired PVC cable, typically 2 metres long.
Is it suitable for safety applications?
Yes, it includes a positive opening mechanism compliant with industrial safety standards.
Trusted by Industrial Engineers Worldwide
Pizzato safety limit switches are trusted globally for their robust construction, precision engineering and reliable performance in industrial safety applications.
