ST HD420M0.2-E1T Pizzato ST H series safety sensor

ST HD420M0.2-E1T Pizzato ST H series safety sensor

Pizzato ST HD420M0.2-E1T RFID safety sensor with 24 V DC supply, 2 safety inputs, 2 safety outputs, 1 signalling output, 1 programming input and a high-coded E-type actuator with approximately 18 mm actuation distance for industrial machine guarding.

SKU: STHD420M0.2-E1TAlt SKU: STHD420M0.2E1TMPN: ST HD420M0.2-E1T
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Why Choose the Pizzato ST HD420M0.2-E1T Safety Sensor?

The Pizzato ST HD420M0.2-E1T is a compact and reliable RFID safety sensor designed for monitoring movable guards, safety doors and access points on industrial machinery and automation systems. As part of the advanced Pizzato ST H series safety sensor range, it uses coded non-contact RFID technology to provide dependable guard-position detection for machine safety applications.

The ST H series combines RFID recognition with electronic safety outputs and a robust technopolymer housing. Its non-contact operating principle eliminates mechanical switching wear, making it well suited to machinery where guards are opened and closed frequently. The E1T configuration uses a high-coded actuator, allowing the sensor to recognise a specifically associated actuator following the appropriate programming procedure.

The ST HD420M0.2-E1T operates from a 24 V DC supply and provides 2 safety inputs, 2 safety outputs, 1 signalling output and 1 programming input. The M0.2 configuration uses a 0.2 m PVC cable with M12 connector, while the E1T configuration uses a high-coded E-type actuator with an actuation distance of approximately 18 mm.

Key Advantages

  • Compact RFID safety sensor designed for machine guarding applications.
  • High actuator coding level helps prevent unintended actuator substitution.
  • 24 V DC supply for straightforward industrial safety-system integration.
  • Approx. 18 mm actuation distance supports flexible non-contact guard monitoring.
  • IP67 and IP69K protection for demanding industrial environments.
  • 0.2 m PVC cable with M12 connector provides convenient connection to compatible safety control equipment.

Key Features

  • Pizzato ST H RFID safety sensor series.
  • ST HD420M0.2-E1T model.
  • RFID non-contact detection technology.
  • 2 safety inputs IS1–IS2.
  • 2 safety outputs OS1–OS2.
  • 1 signalling output O3.
  • 1 programming input I3.
  • 24 V DC operating supply.
  • High actuator coding level.
  • Approx. 18 mm actuation distance.
  • E-type actuator measuring 40 × 50 × 16 mm with front fixing.
  • 0.2 m PVC cable with M12 connector.
  • PNP safety output technology.
  • Multicolour LED status indication.
  • Technopolymer housing.
  • IP67 / IP69K protection.

Reliable Safety Monitoring for Industrial Automation

RFID safety sensors such as the Pizzato ST HD420M0.2-E1T monitor the position of machine guards without requiring mechanical contact between the sensor and its associated actuator. When the high-coded actuator moves outside the detection zone, the sensor changes its safety outputs so the connected safety control system can initiate the appropriate safety response.

The ST H series is designed for modern machine safety and industrial automation applications where reliable guard monitoring, electronic switching and resistance to environmental conditions are important. Its two safety inputs, two safety outputs, signalling output and programming input support integration into compatible safety systems, while the high coding level helps ensure that only the specifically associated actuator is recognised after programming.

Typical Applications

  • Machine guards and protective doors.
  • Industrial automation and production machinery.
  • Safety interlocking systems.
  • Packaging and processing machinery.
  • Material handling and conveyor equipment.
  • Machine tools and manufacturing equipment.
  • Safety monitoring on movable access guards.
  • OEM machinery and automated production systems.

Technical Specifications

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Connection M12 connector
Sensing Principle RFID (coded)
Coding Level High (unique)
Contacts 2 safety outputs (OSSD) + 1 signalling
Supplied As Sensor + actuator kit
Product Series Pizzato ST H (RFID)
Manufacturer Pizzato Elettrica
Series ST H RFID Safety Sensors
Model ST HD420M0.2-E1T
Product type RFID safety sensor
Application Machine guarding, safety interlocking and industrial automation
Activation technology RFID / transponder
Supply voltage 24 V DC
Safety inputs 2, IS1–IS2
Safety outputs 2, OS1–OS2
Signalling output 1, O3
Programming input 1, I3
Output type PNP
Actuator coding level High
Actuation distance 18 mm
Actuator design E type, 40 × 50 × 16 mm, front fixing
Connection type 0.2 m PVC cable with M12 connector
Housing material Technopolymer
Housing design Cubical
Status indication Multicolour LED
Ambient temperature -25 °C to +70 °C
Protection rating IP67 according to EN 60529 and IP69K according to ISO 20653
Performance level PL e according to EN ISO 13849-1
Safety integrity level SIL 3 according to IEC 61508
Interlocking classification Type 4 coded interlocking according to EN ISO 14119
HS Code 85369095
IP Rating IP67, IP69K

Frequently Asked Questions

What is the Pizzato ST HD420M0.2-E1T used for?

The Pizzato ST HD420M0.2-E1T is an RFID safety sensor used to monitor movable machine guards, safety doors and access points in industrial safety systems.

What supply voltage does the ST HD420M0.2-E1T require?

The sensor operates from a 24 V DC supply for integration with compatible industrial safety control systems.

How does the ST HD420M0.2-E1T detect a machine guard?

The sensor uses coded RFID transponder technology to detect its associated actuator without requiring mechanical contact.

What type of actuator is used with the ST HD420M0.2-E1T?

The E1T version uses a high-coded E-type actuator measuring approximately 40 × 50 × 16 mm, with front fixing and an actuation distance of approximately 18 mm.

What is the protection rating of the ST HD420M0.2-E1T?

The sensor provides IP67 and IP69K protection, making it suitable for demanding industrial environments.

Trusted by Machine Builders Worldwide

Pizzato ST H series RFID safety sensors provide reliable non-contact guard monitoring for machine builders, automation engineers and industrial safety systems where dependable electronic safety switching is required.

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