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Transparent Safety Switch | RFID Sensor | SIL 3 & IP67/IP69K Rated | by SICK
The Transparent Safety Switch features an RFID sensor principle with uniquely coded actuator, ensuring high safety integrity with SIL 3 and Category 4 ratings. Ideal for industrial safety systems and machinery interlocks, it offers two safe outputs and an auxiliary contact, making it perfect for automation systems requiring reliable access control. With an IP67/IP69K rated enclosure, this switch is built to withstand harsh environments while providing diagnostics through LED display elements.
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Alternatively Known As: Transparent Safety Switch, RFID Safety Interlock Switch, Industrial Safety Sensor, Safety Access Switch
Technical Specifications
- Sensor principle: RFID
- Number of safe outputs: 2
- Auxiliary contact: 1 (complementary switching behavior)
- Assured switch on distance Sao: 10 mm (–30 °C to +70 °C)
- Assured switch off distance Sar: 25 mm
- Active sensor surfaces: 3 (top, left and right sides)
- Actuation directions: 5
- Coding: Uniquely coded
- Safety integrity level: SIL 3 (IEC 61508)
- Category: Category 4 (EN ISO 13849)
- Performance level: PL e (EN ISO 13849)
- PFHD: 5.21 x 10^-9
- Mission time: 20 years
- Type: Type 4 (EN ISO 14119)
- Actuator coding level: High
- Safe state on fault: At least one OSSD off
- Connection type: Cable with M12, 8-pin plug
- Cable length: 0.2 m
- Long connecting cable max: 200 m
- Cable diameter: 5.5 mm
- Conductor cross section: 0.12 mm²
- Cable material: PVC
- Conductor material: Copper
- Coupling nut material: Zinc die-cast, nickel-plated
- Display elements: LEDs with diagnostics and status indicators
- Protection class: III (IEC 61140)
- Supply voltage: 24 V DC (19.2 V to 28.8 V)
- Power consumption: 50 mA
- Output type: Self-monitoring semiconductor outputs (OSSDs)
- Output current: ≤ 100 mA
- Response time: 40 ms
- Release time: 100 ms
- Risk time: 80 ms
- Switch-on time: 2.5 s
- Housing material: VISTAL®
- Enclosure rating: IP67, IP69K
- Operating temperature: –30 °C to +70 °C
- Storage temperature: –30 °C to +70 °C
- Vibration resistance: 10 Hz to 55 Hz, 1 mm
- Shock resistance: 30 g, 11 ms
- EMC standards: EN IEC 61326-3-1, EN IEC 60947-5-2, EN IEC 60947-5-3, EN 300330 V2.1.1
- Dimensions (H x L x W): 18mm x 26mm x 40mm
- Weight: 0.1 kg
Key Features
- RFID sensor principle with uniquely coded actuator
- Two safe outputs and one auxiliary contact with complementary switching behavior
- Assured switch on distance of 10 mm and switch off distance of 25 mm
- High safety integrity level SIL 3 and Category 4 safety rating
- Self-monitoring semiconductor outputs (OSSDs) with safe state on fault
- IP67 and IP69K rated enclosure for harsh environments
- LED display elements with diagnostics and status indicators
- Compact housing made of VISTAL® material
- Supports safe series connection with T-connector and Flexi Loop
Professional Installation Requirements
- Installation should be performed by qualified personnel familiar with safety sensor systems and compliant with relevant safety standards.
Applications
- Industrial safety systems requiring reliable access control
- Machinery safety interlocks
- Automation systems with safety monitoring
- Environments requiring high safety integrity level components
Standards & Compliance
- Complies with AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
- Durable design reduces replacement frequency and waste
- Low power consumption of 50 mA supports energy efficiency
- Robust IP67/IP69K rating ensures long service life in harsh environments
Warranty Information
Standard manufacturer warranty applies; please refer to SICK's official warranty policy for details.
Available Now
The SICK STR1-SASU0AC8 Transparent Safety Switch is available for immediate purchase, ideal for industrial safety and automation applications requiring high integrity safety interlocks.
