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ST HD821H2-H1T Pizzato ST H series safety sensor
Pizzato ST HD821H2-H1T ST H series RFID safety sensor with high-coded H1T actuator, 11 mm actuation distance, 2 safety outputs and IP67 / IP69K protection for industrial machine guarding.
£110.04
Why Choose the Pizzato ST HD821H2-H1T Safety Sensor?
The Pizzato ST HD821H2-H1T is a compact and reliable RFID safety sensor designed for monitoring movable guards, safety doors and access points on industrial machinery. As part of the Pizzato ST H series safety sensor range, it provides non-contact safety monitoring using RFID technology and is designed for machine guarding and industrial automation applications.
The ST H series combines electronic safety monitoring with a robust technopolymer housing, providing dependable operation in demanding industrial environments. The ST HD821H2-H1T features a wired connection arrangement and is designed for straightforward integration with compatible safety control systems.
The ST HD821H2-H1T is supplied with a high coding level H1T actuator and provides an actuation distance of approximately 11 mm. The actuator has a 90 × 25 × 18 mm design with lateral fixing, while the sensor provides IP67 and IP69K protection and an operating temperature range of -25 °C to +70 °C.
Key Advantages
- Compact RFID safety sensor designed for machine guarding applications.
- High coding level RFID actuator provides coded non-contact guard detection.
- Approximately 11 mm actuation distance for flexible sensor and actuator positioning.
- IP67 and IP69K protection suitable for demanding industrial environments.
- Electronic non-contact detection eliminates mechanical switching wear at the sensing point.
- Designed for integration into modern industrial safety and automation systems.
Key Features
- Pizzato ST H series RFID safety sensor.
- High coding level actuator configuration.
- SM H1T actuator with 90 × 25 × 18 mm dimensions and lateral fixing.
- 11 mm actuator actuation distance.
- 2 safety outputs OS1–OS2 and 1 signalling output O3.
- PNP switching output configuration.
- Technopolymer housing designed for industrial safety applications.
- IP67 / IP69K protection according to the applicable protection standards.
- SIL 3 capability according to IEC 61508 and PL e according to EN ISO 13849-1.
Reliable Safety Monitoring for Industrial Automation
RFID safety sensors such as the Pizzato ST HD821H2-H1T monitor the position of machine guards without requiring mechanical contact between the sensor and actuator. When correctly installed, the RFID system can detect whether a protected door, cover or guard is within the defined detection area.
The ST H series is designed for integration into industrial safety systems where dependable guard monitoring is required. Its electronic construction, compact technopolymer housing and high coding level actuator provide a practical solution for machinery, production equipment and automated systems.
Typical Applications
- Machine guard and safety door monitoring.
- Industrial automation and production machinery.
- Access protection on automated equipment.
- Packaging and processing machinery.
- Conveyors and material handling equipment.
- Machine tools and manufacturing systems.
Technical Specifications
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| Contacts | 2 safety outputs (OSSD) + 1 signalling | |
|---|---|---|
| Sensing Principle | RFID (coded) | |
| Coding Level | High (unique) | |
| Product Series | Pizzato ST H (RFID) | |
| IP Rating | IP67, IP69K | |
| Manufacturer | Pizzato Elettrica | |
| Series | ST H Series | |
| Model | ST HD821H2-H1T | |
| Product type | RFID safety sensor | |
| Technology | RFID non-contact safety detection | |
| Actuator coding level | High coding level | |
| Actuator | SM H1T | |
| Actuator dimensions | 90 × 25 × 18 mm | |
| Actuator fixing | Lateral fixing | |
| Actuation distance | 11 mm | |
| Safety outputs | 2 (OS1–OS2) | |
| Signalling output | 1 (O3) | |
| Output type | PNP | |
| Maximum current at protected output | 0.2 mA | |
| Housing material | Technopolymer | |
| Permanent magnet | Without magnet | |
| Ambient temperature | -25 °C to +70 °C | |
| Protection rating | IP67 / IP69K | |
| HS Code | 85369095 |
Frequently Asked Questions
What is the Pizzato ST HD821H2-H1T used for?
This RFID safety sensor is used to monitor movable machine guards, safety doors and access points on industrial machinery and automation equipment.
What actuator is used with this safety sensor?
The ST HD821H2-H1T uses the SM H1T high-coded actuator, which has dimensions of 90 × 25 × 18 mm and is designed for lateral fixing.
What is the actuation distance of the sensor?
The specified actuator actuation distance is approximately 11 mm.
What safety outputs does the ST HD821H2-H1T provide?
The sensor provides 2 safety outputs, OS1 and OS2, together with 1 signalling output, O3.
What protection rating does the ST HD821H2-H1T have?
The sensor provides IP67 / IP69K protection and is designed for operation from approximately -25 °C to +70 °C.
Trusted by Machine Builders Worldwide
Pizzato ST H series RFID safety sensors are used by machine builders and automation engineers to provide dependable non-contact guard monitoring and integration into modern industrial safety systems.
