Why Choose the Pizzato ST DD420N25-E1T ST D Series Safety Sensor?
The Pizzato ST DD420N25-E1T is a non-contact RFID safety sensor with high-coded actuator designed for monitoring guards, doors and other protective devices on industrial machinery. As part of the Pizzato ST D series, it uses RFID technology to provide dependable electronic guard detection without the mechanical contact and associated wear of conventional electromechanical safety switches.
The ST DD420N25-E1T is paired with an E1T high-level coded actuator offering an actuation distance of 20 mm. Digitally coded RFID technology provides high protection against manipulation, while the generous sensing distance offers useful installation tolerance between the sensor and actuator on movable guards and protective doors.
Designed for demanding machine safety applications, the ST D series features two safety inputs and two safety outputs and can support safety systems up to PL e, Category 4 and SIL 3 when correctly integrated. With IP67 / IP69K protection, redundant electronics and status indication, the ST DD420N25-E1T provides a robust solution for modern industrial machinery and automated production equipment.
Key Advantages
- Non-contact RFID safety sensor for industrial guard monitoring.
- E1T high-level coded actuator provides enhanced protection against manipulation.
- 20 mm actuation distance provides generous tolerance for guard alignment.
- Two safety inputs and two safety outputs support flexible machine safety integration.
- Supports safety systems up to PL e, Category 4 and SIL 3 when correctly integrated.
- Compatible ST D sensors can be connected in series for machinery with multiple guarded access points.
- IP67 / IP69K protection supports demanding industrial applications.
- Non-contact operation eliminates mechanical switching wear between the sensor and actuator.
Key Features
- Pizzato ST D series RFID safety sensor.
- Non-contact RFID operating principle.
- E1T high-level coded actuator.
- 20 mm actuation distance.
- 24 V DC power supply.
- 2 safety inputs.
- 2 safety outputs.
- Redundant electronic architecture.
- Digitally coded actuator detection.
- Status LEDs for sensor indication.
- Series connection capability with compatible Pizzato safety devices.
- IP67 / IP69K protection rating.
- Designed for industrial guards, access doors and protective devices.
Reliable RFID Safety Monitoring for Industrial Machinery
RFID safety sensors such as the Pizzato ST D series monitor the position of movable machine guards without requiring physical contact between the sensor and actuator. The digitally coded actuator is recognised electronically, allowing the machine safety system to determine whether the associated protective guard is correctly positioned before hazardous machine functions are permitted.
The 20 mm actuation distance of the E1T actuator provides useful installation tolerance, while high-level RFID coding improves resistance to manipulation. Combined with redundant electronics, safety inputs and outputs and robust environmental protection, the ST DD420N25-E1T provides a dependable guard monitoring solution for modern industrial automation systems.
Typical Applications
- Industrial machine guard and access door monitoring.
- Packaging and production machinery.
- Robotic cells and automated manufacturing systems.
- Material handling and conveyor systems.
- Machine tools and processing equipment.
- Safety enclosures and protective guarding.
- Assembly and automated production lines.
- OEM machinery and industrial automation systems.
