Why Choose the Pizzato NAL220AB-DN2 Limit Switch?
The Pizzato NAL220AB-DN2 is a heavy-duty modular prewired limit switch, designed for precise position detection and advanced safety switching in industrial automation systems. As part of the proven Pizzato NA series, it offers robust mechanical construction, long operational life and reliable performance in demanding environments.
This model features a 2 NO + 2 NC slow-action contact configuration with positive opening, providing maximum redundancy for safety-critical applications. It is equipped with a plunger actuator and a 2 metre PVC cable (DN2), making it ideal for installations requiring multiple switching outputs and dependable wiring.
With its rugged metal housing and multi-contact design, the NAL220AB-DN2 is particularly suited to complex automation systems where safety, redundancy and reliability are essential.
Key Advantages
- 2 NO + 2 NC contacts for maximum control flexibility and redundancy.
- Positive opening contacts for enhanced safety compliance.
- 2 m prewired cable (DN2) for practical installation.
- Slow-action switching for stable and controlled operation.
- Compact and 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 slow-action contacts (L22 configuration).
- Positive opening operation for safety circuits.
- Plunger actuator for direct mechanical actuation.
- PVC cable (2 m length) compliant with IEC 60332-1.
- Metal housing with high resistance to impact and wear.
- IP67 / IP69K protection rating for harsh environments.
- 20 mm fixing centres for standard mounting.
Advanced Safety with 2NO + 2NC Configuration
The NAL220AB-DN2 provides four independent contacts, enabling advanced safety logic, redundancy and multi-channel monitoring. This makes it ideal for applications requiring dual-channel safety systems or higher safety integrity levels.
Combined with positive opening technology, the switch ensures reliable disconnection even in the event of contact welding or mechanical failure, improving overall 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.
- Applications requiring multiple switching outputs.
