Concentric rotary switch

12 November 2008 Switches, Relays & Keypads

Elma has launched a concentric rotary switch which integrates two complete rotary switches into a single unit by building on the established modules of the E33 encoder. This makes the new E37 cost-effective, with an impressively compact design and a high level of versatility.

The E37 is made up of freely combinable modules. For both rotary switches, customers can choose between 16 and 32 positions; alternatively, the encoders are available without detents. Each revolution generates eight or 16 impulses. The switching torque can be selected according to the application and a touch function can also be integrated for the inner switch.

The casing is available in THT vertical and THT horizontal styles. With both rotary switches individually adjustable to a specific application, the E37 is available in over 800 variants.

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