ST DD420MK Pizzato ST D series safety sensor

ST DD420MK Pizzato ST D series safety sensor

Pizzato ST DD420MK ST D series RFID safety sensor with 24 V DC supply, M12 connector, safety inputs and outputs, and IP67/IP69K protection for industrial machine guarding applications.

SKU: STDD420MKAlt SKU: STDD420MKMPN: ST DD420MK
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List Price £95.13 ex VAT
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Why Choose the Pizzato ST DD420MK Safety Sensor?

The Pizzato ST DD420MK is a compact and reliable RFID coded non-contact safety sensor designed for monitoring machine guards, safety doors and protective access points in industrial automation systems. As part of the advanced Pizzato ST D series safety sensor range, it provides dependable guard monitoring with contactless operation, helping reduce mechanical wear and improve long-term system reliability.

The ST D series uses RFID technology to identify compatible coded actuators and provide secure safety switching for machinery protection applications. The sensor features integrated safety inputs, safety outputs, signalling output and programming functionality, allowing flexible connection to modern safety control systems.

With a 24 V DC supply, M12 stainless steel connector, IP67 / IP69K protection and a robust technopolymer housing, the ST DD420MK is suitable for demanding industrial environments requiring reliable safety door monitoring.

Key Advantages

  • Compact RFID coded safety sensor for industrial machine guarding.
  • Non-contact RFID operation provides long service life without mechanical switching wear.
  • 24 V DC operation suitable for industrial safety circuits.
  • IP67 / IP69K protection for harsh industrial environments.
  • Integrated safety inputs, outputs and diagnostic signalling.
  • Compatible with safety modules and safety PLC systems.

Key Features

  • Pizzato ST D series RFID safety sensor.
  • RFID coded non-contact switching technology.
  • 2 safety inputs IS1-IS2.
  • 2 safety outputs OS1-OS2.
  • 1 signalling output O3.
  • 1 programming input I3.
  • M12 stainless steel connector connection.
  • Right-side output connection design.
  • Technopolymer housing for industrial applications.

Reliable Safety Monitoring for Industrial Machinery

RFID safety sensors such as the Pizzato ST DD420MK provide reliable monitoring of movable guards by detecting coded actuators and controlling safety circuits when access points are opened. The contactless design allows dependable operation in applications with frequent safety door cycles and demanding environmental conditions.

The ST D series is designed for machine builders and automation engineers requiring compact safety devices with flexible installation options, robust protection and integration into advanced industrial safety systems.

Typical Applications

  • Machine safety door and guard monitoring.
  • Industrial automation equipment.
  • Packaging and assembly machinery.
  • Production and processing systems.
  • Robotics and automated manufacturing cells.
  • OEM machine safety applications.

Technical Specifications

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Connection M12 connector
Product Series Pizzato ST D (RFID)
Sensing Principle RFID (coded)
Contacts 2 safety outputs (OSSD) + 1 signalling
IP Rating IP67, IP69K
Manufacturer Pizzato Elettrica
Series ST D Series Safety Sensors
Model ST DD420MK
Product type RFID safety sensor
Technology RFID coded non-contact switching
Power supply 24 V DC
Safety inputs 2 (IS1-IS2)
Safety outputs 2 (OS1-OS2)
Signalling output 1 (O3)
Programming input 1 (I3)
Connection type Integrated M12 stainless steel connector
Housing material Technopolymer
Protection rating IP67 / IP69K
Operating temperature -25°C to +70°C
HS Code 85369095

Frequently Asked Questions

What is the Pizzato ST DD420MK used for?

The sensor is used for monitoring machine guards, safety doors and protective access points in industrial automation systems.

What technology does the ST DD420MK use?

The sensor uses RFID coded non-contact switching technology to detect compatible actuators without mechanical contact.

What power supply does this safety sensor require?

The ST DD420MK operates from a 24 V DC supply suitable for industrial safety control circuits.

What protection rating does the sensor provide?

The sensor provides IP67 / IP69K protection for reliable operation in demanding industrial environments.

What connection type does this sensor use?

The ST DD420MK uses an integrated M12 stainless steel connector for industrial connection requirements.

Trusted by Machine Builders Worldwide

Pizzato ST D series RFID safety sensors are trusted by automation engineers and machine builders for reliable guard monitoring, durable operation and seamless integration into industrial safety systems.

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