3 Series
Thumbwheel Switch

Thumbwheel 3 product image

Image shown represents the product series and may not indicate the actual part number

C&K’s 3 series thumbwheel switch is the most complete thumbwheel product offering in the entire industry. Used in industrial equipment, computer devices and test & measurement devices, engineers turn to the 3 series because of its reputation for quality and resiliency. Available with a variety of options, including front or rear mounting and spacers that can fit most panel cutouts, it is clear why C&K’s 3 series is at the top of any engineer’s wish list.

Features and Benefits

  • Most complete product offering in the industry
  • Spacers available to fit most panel cutouts
  • Front or rear mounting options

Typical Applications

  • Test & measurement equipment
  • Industrial equipment
  • Computer devices


  • Contact Rating:

    100 mA max.

  • Electrical Life:

    100,000 cycles

  • Contact Resistance:

    Below 100 milliohms typ. initial @ 2-4 V DC, 100 mA

  • Insulation Resistance:

    10⁹ ohms min.

  • Dielectric Strength:

    500 Vrms min. @ sea level between common terminal and any output

  • Operating Temperature:

    -40ºC to 65ºC


  • Most Common:


  • Current Rating:

    100 mA

  • Circuit:

    Resistor Decade

  • Mounting Type:

    Panel Mount, Snap-In (Front)

  • Sealing:


  • Illumination:


  • Electrical Life Cycles:


  • Read Out:

    0 ~ 9

  • Actuator Type:


  • Termination Style:

    Card Edge

  • Component Mounting Area: