SICK TR4-SDU03PB RFID Safety Sensor (6070806)

TR4SDU03PB – The SICK TR4-SDU03PB is a rugged and tamper-proof RFID safety sensor designed for secure monitoring of movable guards in safety-critical applications.

With uniquely coded RFID technology, two self-monitoring OSSD outputs, and compact dimensions, this sensor ensures high protection against manipulation while meeting strict safety integrity standards.

It is ideal for machine safety, automated production lines, and guard locking systems where high-level safety and flexibility are required.

Technical Specifications

• Model: TR4-SDU03PB
• Part Number: 6070806
• Series: TR4 Direct
• Sensor Type: RFID safety sensor with actuator
• System Part: Sensor and actuator included
• Sensor Principle: RFID, uniquely coded
• Safe Switch-On Distance (Sao): 15 mm
• Safe Switch-Off Distance (Sar): 25 mm
• Active Sensor Surfaces: 2
• Actuation Directions: 5
• Number of Safe Outputs: 2 (OSSDs)
• Type of Output: Self-monitoring semiconductor outputs
• Supply Voltage (Vs): 24 V DC (20.4–26.4 V DC)
• Power Consumption: ≤ 50 mA
• Output Current: ≤ 200 mA
• Response Time: 45 ms
• Release Time: 360 ms
• Risk Time: ≤ 100 ms
• Switch-On Time: 2 s
• Electrical Life: 10 million switching cycles
• Protection Class: III (EN 50178)
• UL Classification: Class 2
• Housing Material: Valox® DR48
• Design: Rectangular
• Weight: 270 g
• Dimensions (W × H × D): 25 × 88 × 20 mm
• Enclosure Rating: IP67
• Connection Type: Cable or connector (not specified – consult technical sheet)
• Country of Origin: Germany
• Lifecycle Status: Active product

Function & Application

Purpose:
The TR4-SDU03PB is engineered to prevent unsafe access to hazardous areas by providing reliable position monitoring of guards and doors using RFID coding. It meets performance level requirements for machinery safety systems and is immune to tampering via unique coding.

Typical Applications:

• Machine guard position monitoring
• Automated production cell safety
• Packaging machine interlocks
• Robotics enclosures and safety zones
• Applications requiring unique actuator pairing

Compliance & Classification

• CE Conformity: Yes
• cULus Certified: Yes
• RCM (Australia/NZ): Yes
• RoHS Compliance: Yes
• WEEE Take-Back Obligation: Yes

SCIP Number: Not applicable
Commodity Code: 85365080
Product Class: A – Returnable stock item

Key Features & Benefits:

✅ Uniquely Coded RFID: Maximum tamper protection with unmatched actuator pairing.

✅ Dual OSSD Outputs: Suitable for integration into SIL2/PL d safety systems.

✅ Compact & Durable: Space-saving rectangular housing made from Valox® DR48.

✅ Reliable Performance: Resistant to mechanical stress and interference.

✅ Fast Integration: Simplified wiring with standard safety logic interfaces.

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