Single-beam safety switch family grows

01 February 2021

SICK has unveiled its next-generation L25 and L26 family of single-beam photoelectric safety switches, equipped with ‘BluePilot’ alignment and IO-Link for smart, real-time communication.

With a scanning range up to 50m, the SICK L25 and L26 are Type 2 devices available in visible red light and infra-red (IR) versions for use in safety applications up to PL c (SIL 1).  The IR and red-light versions can be used together to avoid the potential for signal interference and introduce redundancy for applications requiring a higher level of safety.  

The robust and rugged single-beam safety sensors are said to be suited for collision or access protection of barriers, gates, doors or racking systems, including over multiple access points at longer scanning distances.  

With the ability to cascade up to four pairs of sensors, the sensors can also be combined to achieve effective perimeter guarding of machines, access protection to robot cells, as well as effective perimeter guarding and access protection of loading/unloading areas, including robotic palletising/depalletising. 

The sensors have an operating temperature range of -40 °C to +60° and are able to withstand extreme chemical, thermal and mechanical conditions. They can be incorporated into common protective applications, supported by a standardised range of flexible mounting options, reflectors and M12, 4-pin connectors.  

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