Why Choose the Pizzato NBB220HB-DN2W5 Safety Limit Switch?
The Pizzato NBB220HB-DN2W5 is a heavy-duty modular prewired safety limit switch designed for precise position detection and high-integrity machine safety in industrial automation systems. As part of the advanced Pizzato NB series, it delivers exceptional durability, flexible configuration and reliable switching performance in demanding environments.
Constructed with a rugged metal housing and 25 mm fixing centres, this switch is engineered to withstand vibration, mechanical stress and harsh operating conditions. The integrated spring rod actuator with plastic tip and 90° transmission block enables flexible installation and reliable actuation even in confined or angled mounting positions.
Featuring a 2 NO + 2 NC snap-action contact configuration with positive opening operation, the NBB220HB-DN2W5 is ideal for safety circuits requiring maximum redundancy and fail-safe performance. The prewired 2 metre PVC cable simplifies installation and ensures efficient integration into industrial control systems.
Key Advantages
- Heavy-duty safety limit switch for industrial position detection.
- 2 NO + 2 NC contacts for maximum safety redundancy.
- Spring rod actuator with plastic tip for flexible actuation.
- 90° transmission block for versatile mounting orientations.
- Snap-action switching for fast and reliable response.
- Durable metal housing for harsh industrial environments.
Key Features
- Pizzato NB series modular prewired switch.
- 2 NO + 2 NC snap-action contact block (B22).
- Spring rod actuator with plastic pin and 90° transmission.
- Prewired PVC cable (2 m, multi-core).
- Metal housing with industrial mounting centres.
- High ingress protection: IP67 / IP69K.
- Silver contacts for reliable electrical performance.
- Designed for safety-critical and high-cycle applications.
Reliable Safety and Position Monitoring
Safety limit switches such as the Pizzato NBB220HB-DN2W5 are critical components in industrial machinery, providing accurate position feedback and ensuring safe operation. The dual-channel NC configuration enhances safety integrity, making it suitable for applications requiring higher safety levels and redundancy.
The NB series is widely used by automation engineers and OEM machine builders, offering robust construction, modular flexibility and seamless integration into modern industrial control and safety systems.
Typical Applications
- Machine guarding and safety interlock systems.
- Safety circuits requiring dual-channel redundancy.
- Position detection on moving or flexible components.
- Industrial production and assembly lines.
- Packaging and material handling equipment.
- Conveyor and transport systems.
