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ST DL420N2-E1T Pizzato ST D series safety sensor
Pizzato STDL420N2-E1T RFID safety interlock sensor for industrial machine guarding and safety automation systems.
£94.41
Why Choose the Pizzato STDL420N2-E1T Safety Interlock Sensor?
The Pizzato STDL420N2-E1T is a high-performance RFID safety interlock sensor designed for advanced machine guarding, access control, and industrial automation safety systems. As part of the Pizzato ST D series safety sensor family, it provides reliable non-contact detection of protective guard positions to ensure machinery is safely stopped when doors or access panels are opened.
This model uses high-coding RFID actuator technology to deliver strong tamper resistance and reliable identification of the correct actuator type. It is widely used in OEM machinery and automated production environments where functional safety, long service life, and compliance with standards such as PL e and SIL 3 are required.
The STDL420N2-E1T features a compact technopolymer housing with integrated right-side connection (N2 cable version) and is designed for straightforward installation on safety doors and machine guards. Its non-contact sensing system eliminates mechanical wear and supports integration into modern safety PLC architectures and multi-device safety networks.
Key Advantages
- High-reliability RFID-coded safety interlock sensor for machine guarding.
- Non-contact operation reduces wear and maintenance requirements.
- High tamper resistance with unique coded actuator recognition.
- Designed for industrial automation and safety-critical applications.
- Suitable for integration into safety PLC and distributed safety systems.
- Long service life in harsh industrial environments.
Key Features
- Pizzato ST D series RFID safety sensor.
- Model: STDL420N2-E1T.
- RFID-coded actuator detection system.
- 2 safety inputs (IS1–IS2).
- 2 safety outputs (OS1–OS2).
- 1 signalling output (O3).
- High coding level actuator (E1T) recognition.
- Actuation distance up to approx. 20 mm.
- 24 V DC supply voltage.
- IP67 / IP69K protection rating for harsh environments.
Advanced Machine Safety with RFID Technology
The Pizzato STDL420N2-E1T uses RFID-coded high-security actuator recognition to ensure that only a correctly paired actuator enables machine operation. This significantly reduces the risk of bypassing compared to traditional mechanical safety switches.
According to the ST D series coding structure, the E1T actuator version provides high-level coded recognition for a single, uniquely paired actuator, increasing safety integrity in industrial automation systems.
The non-contact design eliminates mechanical wear and ensures reliable operation in high-cycle environments such as robotics, packaging machinery, and automated production lines.
Typical Applications
- Industrial machine guarding systems.
- Automated production lines.
- Robotics safety enclosures.
- CNC machine access doors.
- Packaging and assembly machinery.
- Material handling systems.
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 | |
| Voltage | 24 V | |
| IP Rating | IP67 | |
| Series | ST D RFID Safety Sensor Series | |
| Product type | Electronic safety interlock sensor | |
| Supply voltage | 24 V DC | |
| Safety inputs | 2 (IS1–IS2) | |
| Safety outputs | 2 (OS1–OS2) | |
| Signalling output | 1 (O3) | |
| Actuation distance | approx. 20 mm | |
| Connection type | N2 integrated cable version | |
| Protection rating | IP67 / IP69K | |
| Operating temperature | -25°C to +70°C | |
| Actuator coding level | High (E1T RFID coded actuator) | |
| HS Code | 85369095 |
Frequently Asked Questions
What is the Pizzato STDL420N2-E1T used for?
It is used to monitor safety guards and ensure machinery stops when access doors or protective panels are opened.
What does E1T mean?
E1T indicates a high-level coded RFID actuator that is uniquely paired with the sensor for enhanced tamper resistance and safety integrity.
Is it suitable for safety PLC systems?
Yes, it is designed for integration into industrial safety PLCs and distributed safety architectures.
What protection rating does it have?
It features IP67 and IP69K protection, making it suitable for harsh industrial environments.
What is the actuation distance?
The sensor supports an actuation distance of up to approximately 20 mm.
Trusted in Industrial Safety Systems Worldwide
Pizzato ST D series RFID safety sensors are widely used in industrial automation to deliver high-reliability machine guarding, tamper-resistant access control, and compliance with international functional safety standards.
