SICK TR4 Safety Interlock Switch, RFID Actuator Included, Valox

This safety interlock switch is a non-contact RFID device designed to monitor guards and access points in industrial automation. It provides two monitored safety outputs and is intended for installation where a compact, sealed switching solution is required. The unit operates from a 24V DC supply and integrates LED status indicators and M12 cabling for straightforward connection to safety evaluation systems.

• SIL3 safety integrity for high-risk applications
• Category4 safety performance for fault tolerance
• 2 safe outputs offering 200mA maximum current
• IP69K protection for aggressive wash-down environments
• Self-monitoring outputs reduce external wiring checks

• Suitable for guarding access to production machinery
• Ideal for food-industry wash-down stations
• Used with safety evaluation units in plant automation
• Can be used for conveyor access-point monitoring

It connects via an 8-pin M12 cable and provides self-monitoring semiconductor outputs (OSSDs) with an auxiliary output and enable inputs.

In a fault at least one safety-related semiconductor output will switch to the OFF state to remove the safety function.

It is rated for continuous operation between -25°C and +70°C and withstands vibration and shock per relevant test standards.

The specified mission time for safety-relevant assessment is 20 years under defined conditions.

It supports safe series connection with Flexi Loop for diagnostics and T‑connector wiring without diagnostics.