Why Choose the Pizzato NAB220AB-DR5 Limit Switch?
The Pizzato NAB220AB-DR5 is a heavy-duty modular prewired limit switch, designed for precise position detection and high-reliability safety switching in industrial automation systems. As part of the proven Pizzato NA series, it delivers robust mechanical performance, long service life and dependable operation 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 plunger actuator and a 5 metre PVC cable (DR5), making it ideal for extended installations requiring reliable signal transmission and reduced wiring complexity.
With its rugged metal housing and multi-contact capability, the NAB220AB-DR5 is particularly suited to complex automation systems requiring advanced safety monitoring and multiple switching outputs.
Key Advantages
- 2 NO + 2 NC contacts for maximum control flexibility and redundancy.
- Positive opening contacts for enhanced safety compliance.
- 5 m prewired cable (DR5) for extended installation reach.
- Snap-action switching for fast and reliable operation.
- Compact, robust design with plunger actuator.
- Heavy-duty metal housing for industrial durability.
Key Features
- Pizzato NA series modular prewired limit switch.
- 2 NO + 2 NC snap-action contacts (B22 configuration).
- Positive opening operation for safety circuits.
- Plunger actuator for direct mechanical actuation.
- Prewired cable (5 m length) for simplified installation.
- Metal housing with high resistance to impact and wear.
- High ingress protection suitable for industrial environments.
- 20 mm fixing centres for standard mounting.
Advanced Safety with Multi-Contact Design
The NAB220AB-DR5 provides four independent contacts, enabling complex safety logic and redundant monitoring in critical applications. This makes it suitable for systems requiring dual-channel safety or higher safety integrity levels.
Combined with positive opening technology, the switch ensures reliable disconnection even in the event of contact welding, improving overall machine safety and operational reliability.
Typical Applications
- Machine guarding and safety interlock systems.
- Industrial conveyors and material handling systems.
- Packaging and automated production lines.
- High-risk machinery requiring redundant contacts.
- OEM automation systems and control panels.
- Applications requiring multiple switching outputs.