CUI Devices C14 rotary encoders

CUI Devices C14 Series Optical Panel-Mount Rotary Encoders

Compact optical encoder with plastic shaft ideal for medical devices

CUI Devices’ Motion Group has added plastic-shaft actuators to its C14 series of optical panel-mount rotary encoders. Ideal for medical applications such as ventilators, these two-bit, quadrature encoders are available in versions offering resolution of 16 or 32 pulses per revolution.


All C14 encoders have a compact rugged metal housing. Several models are IP65-rated, offering added resistance to moisture and contaminants. Termination options include cable connectors, headers, and vertical or horizontal PCB pins and solder holes.


The C14 encoders are available for horizontal or vertical orientation, and with or without a push-button switch. The device’s rotational and push-button life is 1 million cycles.


The encoders are available as standard products with 6mm or 6.35mm shaft-bore diameters, and a shaft length of 17.5mm. CUI Devices also offers custom options of a shaft-bore diameter of 3.175mm, and a shaft length of 22mm. The C14 family also includes encoders with metal shafts. 


  • Input voltage: 3.3V or 5V
  • Operating-temperature range: -10°C to 70°C


  • Medical equipment
  • Industrial systems

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