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ST GD420MK Pizzato ST G series safety sensor
Pizzato STGD420MK RFID safety sensor for machine guarding, industrial automation, and safety door monitoring applications.
£77.09
Why Choose the Pizzato STGD420MK RFID Safety Sensor?
The Pizzato STGD420MK is a robust RFID safety interlock sensor designed for machine guarding, access control, and industrial automation safety systems. Manufactured by Pizzato Elettrica, it ensures reliable non-contact detection of safety door actuators, helping prevent machine operation when protective guards are open or unsafe conditions are present.
As part of the advanced Pizzato ST G series, the STGD420MK is widely used in industrial environments requiring dependable guard monitoring and compliance with modern safety standards such as ISO 14119. It is designed for integration into safety PLC architectures and industrial control systems.
The STGD420MK features RFID-based coded actuator detection with a compact technopolymer housing and industrial-grade sealing. Its symmetrical design allows flexible mounting on both left- and right-hand guard doors, making installation easier and more versatile in machine design.
Key Advantages
- Reliable RFID-based safety door monitoring for industrial systems.
- Designed for machine safety and automation applications.
- Symmetrical housing for flexible left/right mounting.
- High durability for continuous industrial operation.
- Compatible with modern safety PLC systems.
Key Features
- Pizzato ST G RFID safety sensor platform.
- Standard-coded actuator system (0T type, multiple actuators share same code).
- Non-contact safety switching technology.
- 24 V DC supply for industrial integration.
- 2 safety outputs (OS1-OS2) + 1 signalling output (O3).
- M12 connector or cable variants (depending on version).
- IP67 / IP69K protection for harsh environments.
Typical Applications
- Machine safety doors and protective guards
- Automated production lines
- Robotics safety enclosures
- Packaging and processing machinery
- Industrial conveyor systems
- OEM machine safety integration
Technical Specifications
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| Connection | M12 connector | |
|---|---|---|
| Sensing Principle | RFID (coded) | |
| Coding Level | High (unique) | |
| Product Series | Pizzato ST G (RFID) | |
| Voltage | 24 V | |
| IP Rating | IP67 | |
| Product type | RFID safety sensor | |
| Series | ST G series | |
| Application | Machine guarding, safety interlocking, automation systems | |
| Technology | RFID non-contact detection | |
| Actuator coding level | Standard (0T – non-unique coding) | |
| Supply voltage | 24 V DC | |
| Outputs | 2 safety outputs + 1 signalling output | |
| Connection type | M12 connector | |
| Protection rating | IP67 / IP69K | |
| Operating temperature | -25°C to +70°C | |
| Actuation distance | up to ~11 mm | |
| HS Code | 85369095 |
Frequently Asked Questions
What is the Pizzato STGD420MK used for?
It is used for non-contact monitoring of safety doors and guards, ensuring machinery only operates when safe conditions are met.
What does MK mean in this model?
MK typically refers to a connector variant (often stainless steel M12 connection) designed for improved industrial durability.
What does 0T coding mean?
0T indicates a standard-coded system where multiple identical actuators can activate the sensor, suitable for general safety applications.
Is this suitable for industrial automation systems?
Yes, it is designed for integration into safety-rated PLC systems and industrial machine control architectures.
Trusted in Industrial Machine Safety Worldwide
Pizzato ST G series RFID safety sensors are widely used in industrial automation to improve operator safety, ensure reliable machine guarding, and support compliance with international functional safety standards.
