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ST DL420MK-E1T Pizzato ST D series safety sensor
Pizzato STDL420MK-E1T RFID safety interlock sensor for industrial machine guarding and safety automation systems.
£93.81
Why Choose the Pizzato STDL420MK-E1T Safety Interlock Sensor?
The Pizzato STDL420MK-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 RFID safety sensor range, it provides reliable non-contact monitoring of protective doors and guards to ensure machinery is safely controlled when access points are opened.
This model uses high-coding RFID actuator technology to deliver strong protection against tampering and unauthorized bypass attempts. It is widely used in OEM machinery and automated production environments where functional safety, reliability, and compliance with international safety standards are essential.
The STDL420MK-E1T features a robust technopolymer housing with M12 connector interface and is designed for easy installation on machine guards and safety doors. Its non-contact sensing system reduces wear, increases service life, 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 detection eliminates mechanical wear and reduces maintenance.
- High tamper resistance using individually coded actuator technology (•1T type).
- Suitable for industrial automation and safety-critical applications.
- Compatible with safety PLCs and distributed safety systems.
- Supports multi-device safety network configurations.
Key Features
- Pizzato ST D series RFID safety sensor.
- Model: STDL420MK-E1T.
- RFID-coded actuator detection system.
- 2 safety inputs (IS1–IS2).
- 2 safety outputs (OS1–OS2).
- 1 signalling output (O3).
- High coding level actuator pairing (unique coded key).
- Actuation distance up to approx. 20 mm.
- M12 connector interface for quick installation.
- IP67 / IP69K protection rating.
Advanced Machine Safety with RFID Technology
The Pizzato STDL420MK-E1T uses RFID-based high-coding technology to ensure that only a uniquely paired actuator can enable machine operation. This significantly reduces the risk of bypassing compared to low-coded or mechanical safety switches.
According to the ST D series architecture, •1T coded actuators provide unique pairing, meaning each sensor is individually matched to its actuator for enhanced safety integrity and controlled reprogramming capability in maintenance scenarios.
The non-contact design eliminates mechanical wear, making it ideal for high-cycle industrial environments such as robotics, packaging, 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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| Connection | M12 connector | |
|---|---|---|
| Product Series | Pizzato ST D (RFID) | |
| Sensing Principle | RFID (coded) | |
| Coding Level | High (unique) | |
| Contacts | 2 safety outputs (OSSD) + 1 signalling | |
| 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 | M12 connector | |
| Protection rating | IP67 / IP69K | |
| Operating temperature | -25°C to +70°C | |
| Actuator coding level | High (individually coded RFID key) | |
| HS Code | 85369095 |
Frequently Asked Questions
What is the Pizzato STDL420MK-E1T used for?
It is used to monitor safety guards and ensure machinery stops when access doors or protective panels are opened.
What makes the •1T version different?
The •1T version uses individually coded RFID actuators, meaning each sensor is uniquely paired to its actuator for higher security and tamper resistance.
Does it support safety PLC integration?
Yes, it is designed for integration into industrial safety PLCs and distributed safety control systems.
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 provide high-level machine guarding, reliable access detection, and compliance with international functional safety standards such as PL e and SIL-rated systems.
