Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
ST DD420N20-D1T Pizzato ST D series safety sensor
Pizzato ST DD420N20-D1T ST D series RFID safety sensor with high coding level technology, 24 V DC supply, 12 mm actuation distance, PVC cable connection and IP67/IP69K protection for industrial machine guarding applications.
£136.04
Why Choose the Pizzato ST DD420N20-D1T Safety Sensor?
The Pizzato ST DD420N20-D1T 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 wear for improved service life.
The ST D series uses coded RFID actuator technology to provide secure safety switching and reliable actuator recognition in machine protection applications. The ST DD420N20-D1T combines integrated safety inputs, safety outputs and signalling functions, enabling efficient connection to 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 DD420N20-D1T is designed for dependable operation in demanding industrial environments.
Key Advantages
- Compact RFID coded safety sensor for industrial machine guarding.
- High coding level RFID technology provides secure actuator recognition.
- Non-contact operation eliminates mechanical actuator wear.
- 24 V DC operation suitable for industrial safety circuits.
- 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 recognition (D1T).
- 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 DD420N20-D1T 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 demanding automation applications.
The ST D series is designed for machine builders and automation engineers requiring compact safety devices with robust protection, flexible installation and reliable integration into modern 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.
Technical Specifications
Tick the specs you need, then view products that match.
| Cable Length (m) | 20 m | |
|---|---|---|
| Product Series | Pizzato ST D (RFID) | |
| Sensing Principle | RFID (coded) | |
| Coding Level | High (unique) | |
| Contacts | 2 safety outputs (OSSD) + 1 signalling | |
| Supplied As | Sensor + actuator kit | |
| Connection | Integrated cable | |
| IP Rating | IP67, IP69K | |
| Manufacturer | Pizzato Elettrica | |
| Series | ST D Series Safety Sensors | |
| Model | ST DD420N20-D1T | |
| Product type | RFID safety sensor | |
| Technology | RFID coded non-contact switching | |
| Actuator coding level | High coding level | |
| Power supply | 24 V DC | |
| Safety inputs | 2 (IS1-IS2) | |
| Safety outputs | 2 (OS1-OS2) | |
| Signalling output | 1 (O3) | |
| Programming input | 1 (I3) | |
| Actuation distance | 12 mm | |
| Connection type | PVC cable | |
| Housing material | Technopolymer | |
| Protection rating | IP67 / IP69K | |
| Operating temperature | -25°C to +70°C | |
| HS Code | 85369095 |
Frequently Asked Questions
What is the Pizzato ST DD420N20-D1T used for?
The sensor is used for monitoring machine guards, safety doors and protective access points in industrial automation systems.
What technology does the ST DD420N20-D1T use?
The sensor uses RFID coded non-contact switching technology to detect compatible coded actuators without mechanical contact.
What type of actuator coding does this sensor use?
The ST DD420N20-D1T uses a high coding level RFID actuator for reliable actuator recognition.
What power supply does this safety sensor require?
The sensor operates from a 24 V DC supply suitable for industrial safety control systems.
What protection rating does the sensor provide?
The sensor provides IP67 / IP69K protection for reliable operation in demanding industrial environments.
Trusted by Machine Builders Worldwide
Pizzato ST D series RFID safety sensors are trusted by automation engineers and machine builders for reliable guard monitoring, durable operation and seamless integration into industrial safety systems.
