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ST DD420N2-L1T Pizzato ST D series safety sensor
Pizzato STDD420N2-L1T RFID safety sensor with low coding level actuator, dual safety inputs/outputs, 24 V DC supply and IP67/IP69K protection for industrial machine safety.
£91.35
Why Choose the Pizzato STDD420N2-L1T RFID Safety Sensor?
The Pizzato STDD420N2-L1T is a dependable RFID safety sensor designed for monitoring machine guards, safety doors and access points in industrial automation systems. As part of the robust Pizzato ST D series safety sensors, it delivers secure non-contact detection with high resistance to tampering and mechanical wear.
This model uses RFID-coded actuator recognition to ensure only the correct actuator can enable machine operation, improving overall safety integrity. Its fully electronic design eliminates mechanical wear, making it suitable for high-cycle industrial applications where reliability is critical.
With a 24 V DC power supply, dual safety inputs and dual safety outputs, the STDD420N2-L1T supports advanced safety systems up to PL e / SIL 3. The integrated PVC cable connection and IP67 / IP69K protection rating ensure reliable operation in harsh industrial and washdown environments.
Key Advantages
- Advanced RFID safety sensor for machine guard monitoring.
- Low coding level actuator for flexible system configuration.
- Supports safety performance up to PL e and SIL 3.
- Non-contact detection eliminates mechanical wear and reduces maintenance.
- IP67 and IP69K protection for harsh environments and washdown areas.
- Supports series connection of multiple devices for simplified wiring.
Key Features
- Pizzato ST D series safety sensor.
- 2 safety inputs (IS1, IS2).
- 2 safety outputs (OS1, OS2).
- 1 signalling output (O3).
- 1 programming input (I3).
- 24 V DC power supply.
- Integrated PVC cable connection (N2 version).
- Low coding level actuator (L1T).
- Actuation distance: approx. 11–12 mm.
High-Integrity RFID Safety for Industrial Automation
The STDD420N2-L1T uses RFID-based coding to uniquely identify its actuator, preventing bypassing and ensuring that only authorised access points can enable machine operation. This significantly improves operator safety in industrial environments.
Its redundant safety architecture supports integration into complex safety systems while allowing multiple devices to be connected in series without compromising safety performance, simplifying installation and system design.
Typical Applications
- Machine guard and safety door monitoring.
- Industrial automation and robotics systems.
- Packaging and processing machinery.
- Conveyor and material handling systems.
- Food and beverage production environments.
- High-integrity safety circuits (PL e / SIL 3).
Technical Specifications
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| Cable Length (m) | 2 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 | |
| Series | ST D Series Safety Sensors | |
| Product type | RFID safety sensor | |
| Power supply | 24 V DC | |
| Safety inputs | 2 (IS1, IS2) | |
| Safety outputs | 2 (OS1, OS2) | |
| Signalling outputs | 1 (O3) | |
| Programming input | 1 (I3) | |
| Actuation distance | approx. 11–12 mm | |
| Connection type | Integrated PVC cable | |
| Protection rating | IP67 / IP69K | |
| Operating temperature | -25°C to +70°C | |
| Housing material | Technopolymer | |
| HS Code | 85369095 |
Frequently Asked Questions
What is the Pizzato STDD420N2-L1T used for?
This sensor is used to monitor machine guards and safety doors, ensuring safe operation by detecting the position of protective barriers.
What coding level does this sensor use?
It uses a low coding level actuator, allowing interchangeable actuators within the same series.
What safety level can this device achieve?
The sensor supports applications up to PL e (EN ISO 13849-1) and SIL 3 (EN 62061).
What is the power supply requirement?
The device operates on a 24 V DC supply.
Is it suitable for harsh environments?
Yes, with IP67 and IP69K protection ratings, it is designed for demanding industrial and washdown environments.
Trusted for Industrial Machine Safety
Pizzato ST D series RFID safety sensors are widely used by automation engineers and machine builders to deliver reliable, tamper-resistant safety solutions in modern industrial systems.
