Why Choose the Pizzato NAB220AE-DN5 Limit Switch?
The Pizzato NAB220AE-DN5 is a heavy-duty modular prewired limit switch designed for precise position detection and reliable safety switching in industrial automation systems. As part of the advanced Pizzato NA series, it combines rugged metal construction with long mechanical life and dependable operation in demanding industrial environments.
This model features a 2 NO + 2 NC snap-action contact configuration with positive opening, providing enhanced safety redundancy for critical control systems. It is equipped with a plunger actuator with external rubber gasket (AE variant) and a 5 metre PVC prewired cable (DN5), enabling flexible installation across larger machines and production lines.
With its extended cable length and multi-contact configuration, the NAB220AE-DN5 is ideal for complex machinery and safety circuits requiring both reliability and installation flexibility.
Key Advantages
- Heavy-duty limit switch for industrial automation and safety systems.
- 2 NO + 2 NC contact configuration for multi-channel control and redundancy.
- Positive opening contacts for fail-safe safety performance.
- Gasketed plunger actuator improves resistance to dust and moisture.
- 5 m prewired cable for extended installation reach.
- Designed for reliable operation in harsh industrial environments.
Key Features
- Pizzato NA modular limit switch series.
- 2 NO + 2 NC snap-action contacts.
- Positive opening safety mechanism.
- AE plunger with external rubber gasket.
- 5 m PVC cable (DN5).
- IP67 / IP69K protection rating.
- Metal housing construction.
- 20 mm fixing centres for standard mounting.
Enhanced Safety with Multi-Channel Contacts
The 2 NO + 2 NC configuration allows integration into dual-channel safety circuits and complex control systems, providing higher redundancy compared to standard limit switches. Combined with positive opening contacts, the switch ensures safe disconnection even in fault conditions such as contact welding.
The sealed plunger design with external gasket also improves resistance to environmental contaminants, ensuring long-term reliability in industrial conditions.
Typical Applications
- Machine guarding and safety interlock systems.
- Industrial conveyors and material handling systems.
- Packaging and automated production lines.
- Heavy-duty industrial machinery.
- OEM automation systems requiring redundant safety contacts.
- Installations exposed to dust, moisture and vibration.