Why Choose the Pizzato NAB220AC-DN2 Limit Switch?
The Pizzato NAB220AC-DN2 is a high-performance modular prewired limit switch engineered for precise position detection and advanced safety switching in industrial automation systems. As part of the robust Pizzato NA series, it offers exceptional durability, long mechanical life and consistent performance in demanding environments.
This model features a 2 NO + 2 NC snap-action contact configuration with positive opening, providing maximum redundancy for safety-critical circuits. It is equipped with a long plunger actuator (AC variant) and a 2 metre PVC cable (DN2), combining extended actuation tolerance with simple, direct installation.
With its rugged metal housing and multi-contact design, the NAB220AC-DN2 is ideal for industrial systems where reliability, redundancy and flexible installation are essential.
Key Features
- Pizzato NA series modular prewired limit switch.
- 2 NO + 2 NC snap-action contacts (B22 configuration).
- Positive opening operation for safety circuits.
- Long plunger actuator (AC) for extended actuation travel.
- 2 m PVC cable (DN2) for flexible installation.
- Metal housing with high resistance to wear and impact.
- IP67 / IP69K protection rating for harsh environments.
- 20 mm fixing centres for standard mounting.
Maximum Redundancy with 2NO + 2NC Configuration
The 2 NO + 2 NC configuration provides maximum flexibility and redundancy, allowing the switch to be used in complex safety circuits and multi-channel monitoring systems. This is particularly useful in applications requiring higher safety integrity or multiple signal outputs.
Combined with positive opening technology, the switch ensures reliable mechanical separation of contacts even in the event of welding or internal failure, significantly improving machine safety and system reliability.
Typical Applications
- Machine guarding and safety interlock systems.
- Industrial conveyors and material handling equipment.
- Packaging and automated production lines.
- High-risk machinery requiring redundant contacts.
- OEM automation systems and control panels.
