SICK TR4 Safety Interlock Switch, RFID Actuator Included, Vistal

This safety interlock switch is a non-contact RFID device designed to monitor access to guarded machinery. It provides dual safe outputs with self-monitoring semiconductor circuitry and is intended for integration into safety systems requiring high integrity and diagnostic options. The unit is suitable for use where contamination or washdown are present and operates across a wide ambient temperature range.

• SIL3 safety integrity enhances functional safety performance
• Category 4 design ensures highest risk-reduction level
• Two OSSD outputs provide monitored switching capability
• Encapsulated electronics deliver IP67 and IP69K ingress protection
• Self-monitoring outputs limit output current to 200mA

• Suitable for washdown production lines in food environments
• Ideal for linking multiple guards with Flexi Loop diagnostics
• Used with safe evaluation units in machine safety circuits
• Can be used for non-hazardous area interlocks in factories
• Suitable for conveyor and packaging guard monitoring

It is powered from 24V DC within a 20.4V DC to 26.4V DC range.

It uses an 8-pin M12 cable plug with a 0.2m pigtail and supports long cables up to 200m.

The device resists vibration from 10Hz to 55Hz at 3.5mm and shock up to 30g for 11 ms.

Nominal response time is 45 MS with a release time of 360 MS and switch-on time of 2 s.

It supports series connection with Flexi Loop for diagnostics and T-connector use without diagnostics.