Why Choose the Pizzato ST DD420N3 Safety Sensor?
The Pizzato ST DD420N3 is a compact and reliable RFID coded non-contact safety sensor designed for monitoring machine guards, safety doors and protective access points in industrial automation systems. As part of the advanced Pizzato ST D series safety sensor range, it provides dependable guard monitoring through RFID technology while eliminating mechanical switching components for improved reliability and service life.
The ST D series uses RFID coded actuator technology to provide secure safety switching and protection against unwanted actuator replacement. The sensor combines integrated safety inputs, safety outputs and signalling functions, allowing straightforward integration with modern safety modules and industrial control systems.
With a 24 V DC supply voltage, 12 mm actuation distance, PVC cable connection and IP67 / IP69K protection rating, the ST DD420N3 is designed for reliable operation in demanding industrial environments.
Key Advantages
- Compact RFID coded safety sensor for industrial machine guarding.
- Non-contact RFID operation eliminates mechanical actuator wear.
- 24 V DC operation suitable for industrial safety circuits.
- 12 mm actuation distance for flexible safety installation.
- IP67 / IP69K protection for demanding industrial environments.
- Integrated safety inputs, outputs and diagnostic signalling functions.
Key Features
- Pizzato ST D series RFID safety sensor.
- RFID coded non-contact switching technology.
- High coding level actuator compatibility.
- 2 safety inputs IS1-IS2.
- 2 safety outputs OS1-OS2.
- 1 signalling output O3.
- 1 programming input I3.
- 12 mm actuation distance.
- PVC cable connection for industrial installation.
- Technopolymer housing for robust operation.
Reliable Safety Monitoring for Industrial Machinery
RFID safety sensors such as the Pizzato ST DD420N3 provide reliable monitoring of movable guards by detecting coded actuators and controlling safety circuits when access points are opened. The contactless design supports long operating life and consistent performance in applications with frequent safety cycles and demanding environmental conditions.
The ST D series is designed for machine builders and automation engineers requiring compact safety devices with robust protection, flexible installation and dependable integration into industrial safety systems.
Typical Applications
- Machine safety door and guard monitoring.
- Industrial automation equipment.
- Packaging and assembly machinery.
- Production and processing systems.
- Robotics and automated manufacturing cells.
- OEM machine safety applications.
