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C&K COMPONENTS 302109301 Thumbwheel Rotary Switch

The C&K Components 302109301 is a versatile thumbwheel rotary switch designed for a wide range of applications. It offers a complete product offering with various mounting options including board, front, rear, and snap-in. The switch features a 1 Amp continuous carry current and a 100mA maximum switching current, operating voltage from 50 mV to 28 V DC or 120 V AC. Constructed with ABS plastic housing and rotor contacts of precious metal on copper alloy, this switch ensures durability and reliable performance. It is commonly used in test and measurement equipment, industrial equipment, and computer devices.

Authorized Distributors
Part No:302109301
Stock:25
Inv Date:06-15-2026
Price: Unit price: $13.44
Buy/RFQ:
Part No:302109301
Stock:25
Inv Date:06-15-2026
Price: Unit price: $13.44
Buy/RFQ:

C&K COMPONENTS 302109301 Thumbwheel Rotary Switch Specifications:

  • Series: 3
  • Switch Type: Thumbwheel
  • Sealed: Yes
  • Dust Lens: Yes
  • Max Current: 1 Amp
  • Actuators: Thumbwheel Actuator
  • Number of Positions: 10/16
  • Mounting Options: Board Mount, Front Mount, Rear Mount, Snap-in
  • Contact Rating Carry: 1 Amp
  • Contact Rating Switch: 100 mA
  • Operating Voltage: 50 mV to 28 V DC or 120 V AC
  • Electrical Life: 100,000 actuations
  • Contact Resistance: Below 100 m Ω
  • Insulation Resistance: 10[9] Ω min
  • Dielectric Strength: 500 Vrms min
  • Operating Temperature: -40ºC to 65ºC
  • Housing Material: ABS plastic
  • Thumbwheel Material: ABS plastic
  • Rotor Contacts Material: Precious metal on copper alloy
  • Stator Contacts Material: Hard gold over nickel over copper on epoxy fiberglass

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Frequently Asked Questions

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You can download the 302109301 datasheet or visit the C&K COMPONENTS website for support.

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C&K COMPONENTS

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