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Sick TR4 Direct - Transponder safety switches

The Sick TR4 Direct transponder safety switch is used for applications where a high level of manipulation protection is required.

The TR4 Direct has monitored semiconductor outputs (OSSD) and can therefore be connected directly to a safety controller. The safety switch is only released if a valid actuator is located within the response range of the TR4 Direct.

Two actuation principles are available: For universally coded variants, any universally coded actuator can be located in the response range. For uniquely coded variants, only the uniquely coded actuator that has been taught in with the matching code stored may be located within the response range. Up to 30 safety switches, all with LED status indicators, can be connected in series without any problems, making electrical installation and service both straightforward and convenient.

At a glance:

Response range of up to 25 mm
Unique and universally-coded sensors up to enclosure rating IP 69K
Up to performance level PL e (EN ISO 13849)
Two OSSD safety outputs
Reliable series connection of up to 30 sensors possible (depending on the variant)
LED status indicator
Periphery indicator and magnetic holding force (optional)
Flexi-Loop-compatible M12 plug connector (depending on the variant)

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