Schmersal: Bulk Solids Conveyor Belt Alignment Monitoring

Belt alignment switches monitor the straight running of conveyor belts. If the conveyor belt runs off-centre on the conveyor rollers, the switchgear is activated. Through the contact staggering or as of a belt misalignment of 15° for instance, a warning is generated through an auxiliary contact. The conveyor belt is then shutdown by the main contact as of a misalignment of 25° for instance. Special staggered contacts are available upon request.

In addition to multiple versions of belt alignment switches, Schmersal offers a comprehensive program of rollers with different lengths, diameters and materials.
(Published on YouTube on August 11, 2015)

The efforts of the Schmersal Group have for many years been directed to producing products for safety at the workplace. From the most varied mechanical and electrosensitive switching devices, the largest range in the world of safety switching devices and safety switching systems for the protection of man and machine has come into being. In this new online-catalogue, the complete range is presented.


The Schmersal Group develops and produces a range of about 25,000 different switchgear and control devices. The Schmersal Group therefore is one of the largest supplier of safety switching devices in the world.

With industry expertise and professional services it also offers system solutions for automation and safety of machines and equipment. More than 1,750 employees in more than 20 countries work every day to meet jointly with the customers to ensure pioneering safety technology solutions.

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