Electronic Products & Technology

Sealed rotary switch serves handheld devices in harsh environments

Stephen Law   

Circuit Protection Supply Chain sealed rotary switch sealed rotary switch

GRAYHILL Series 77 compact sealed rotary switch for space constrained applications requires less than 0.2” behind panel. Designed for rugged environments, device meets military standards for shock and vibration, moisture resistance, salt spray, underwater immersion and sand and dust conditions. Product provides robust shaft pushout/pull out, rotational stop strength, and axial/transverse loading ratings. Available in both shorting and non-shorting type wiping contacts, product’s typical values for current interruption during shorting are <0.2 ms in temperatures from room temperature to +85ºC, and <20 ms in reduced temperatures.


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