Why Choose the Pizzato NAB220AB-DN1 Limit Switch?
The Pizzato NAB220AB-DN1 is a heavy-duty modular prewired limit switch, designed for precise position detection and enhanced safety switching in industrial automation systems. As part of the robust Pizzato NA series, it offers long service life, high mechanical durability and flexible installation for demanding industrial environments.
This model features a 2 NO + 2 NC snap-action contact configuration with positive opening, providing high redundancy for safety-critical circuits. It is equipped with a plunger actuator and a 1 metre PVC cable (DN1), making it ideal for compact installations requiring advanced safety monitoring.
With its rugged metal housing and expanded contact configuration, the NAB220AB-DN1 is particularly suited to applications requiring higher levels of safety control and reliability.
Key Advantages
- 2 NO + 2 NC contacts for maximum control flexibility and redundancy.
- Positive opening contacts for enhanced safety compliance.
- 1 m prewired cable (DN1) for clean and efficient installation.
- Snap-action mechanism for fast and precise switching.
- 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 snap-action contacts (B22 configuration).
- Positive opening operation for safety circuits.
- Plunger actuator for direct mechanical actuation.
- PVC cable (1 m length) compliant with IEC 60332-1.
- Metal housing with high resistance to impact and wear.
- IP67 / IP69K protection rating for harsh industrial environments.
- 20 mm fixing centres for standard mounting.
Maximum Safety with 2NO + 2NC Configuration
The NAB220AB-DN1 provides four independent contacts, allowing complex safety logic and redundancy in critical control systems. This makes it ideal for applications requiring dual-channel monitoring or compliance with higher safety integrity levels.
Combined with positive opening technology, it ensures reliable disconnection even in the event of contact welding, significantly improving machine safety and operational reliability.
Typical Applications
- Machine guarding and safety interlock systems.
- High-risk industrial machinery requiring redundant contacts.
- Automated production lines and robotics.
- Conveyor and material handling systems.
- OEM safety-critical automation systems.
- Industrial control panels requiring multi-contact switching.
