ST DL420MK-D0T Pizzato ST D series safety sensor

Why Choose the Pizzato STDL420MK-D0T RFID Safety Sensor?

The Pizzato STDL420MK-D0T is a compact and reliable RFID-coded safety sensor designed for machine guarding, interlocking systems, and industrial safety applications. It belongs to the advanced ST D series, developed for non-contact monitoring of protective doors, safety guards, and access panels in automated machinery systems.

This model uses low-level RFID coding (D0T), allowing recognition of compatible actuators for standard industrial safety applications where flexibility and cost-efficient integration are required. It is widely used in OEM machinery, packaging lines, and automated production systems that require dependable guard monitoring.

The STDL420MK-D0T features a rugged technopolymer housing with integrated M12 connector (MK version) and side output configuration. It supports an actuation distance of up to 12 mm, enabling flexible installation even where mechanical alignment tolerances are present. {index=1}

Key Advantages

• Reliable RFID-coded safety detection for machine guarding systems.
• Non-contact operation eliminates mechanical wear and reduces maintenance costs.
• Low coding level (D0T) suitable for general industrial safety applications.
• Extended operating distance up to 12 mm for flexible installation.
• IP67 / IP69K protection for harsh industrial environments.
• Supports safety performance up to PL e / SIL 3 when properly integrated. {index=15}

Key Features

• Pizzato ST D series safety sensor.
• Model: STDL420MK-D0T.
• RFID-coded actuator recognition system.
• Actuator coding level: low coding (D0T). {index=15}
• Outputs: 2 safety outputs (OS1–OS2) + 1 signalling output (O3). {index=15}
• Inputs: 2 safety inputs (IS1–IS2) + 1 programming input (I3). {index=15}
• Supply voltage: 24 VDC. {index=15}
• Actuation distance: 12 mm. {index=15}
• Integrated M12 connector (MK version).
• Technopolymer housing with compact industrial design.
• Operating temperature: -25°C to +70°C. {index=15}

Reliable Safety Performance for Industrial Automation

The Pizzato STDL420MK-D0T ensures safe machine operation by continuously monitoring the position of protective guards and access doors. Its RFID system detects compatible actuators, helping reduce bypass risk and improving overall machine safety integrity.

Its non-contact design eliminates mechanical wear, ensuring long service life even in high-cycle industrial environments. The IP67/IP69K-rated housing provides strong resistance to dust, moisture, vibration, and industrial washdown conditions. {index=15}

Typical Applications

• Machine safety interlock systems.
• Protective doors and safety guarding.
• Industrial automation systems.
• Packaging and production machinery.
• Robotics and CNC machines.
• OEM machine building applications.