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C&K COMPONENTS A20403RNCG Rotary Switch

The C&K A20403RNCG is a versatile rotary switch designed for a wide range of applications including automotive, major and small appliances, and industrial equipment. It features multi-pole and multi-position capabilities, positive detent, and the option for shorting or non-shorting contacts. The switch is available for both panel and PCB mounting and is RoHS compliant, making it suitable for environmentally conscious designs. Its robust construction and reliable performance ensure long-lasting operation in demanding environments.

Authorized Distributors
Source:Newark
Part No:A20403RNCG
Stock:845
Inv Date:06-15-2026
Price: Unit price: $17.75
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Source:DigiKey
Part No:A20403RNCG
Stock:42
Inv Date:06-15-2026
Price: Unit price: $21.86
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Part No:A20403RNCG
Stock:48
Inv Date:06-16-2026
Price: Unit price: $21.86
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Part No:A20403RNCG
Stock:0
Inv Date:06-15-2026
Price: Unit price: $18.41
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Part No:A20403RNCG
Stock:795
Inv Date:06-16-2026
Price: Unit price: $32.95
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C&K COMPONENTS A20403RNCG Rotary Switch Specifications:

  • Contact Rating: 2.5 AMPS @ 125 V AC; 350 mA @ 125 V DC (UL/CSA). Carry - 5 AMPS continuous
  • Electrical Life: 15,000 make-and-break cycles at full load up to 300,000 detent operations
  • Contact Resistance: Below 20 m Ω typ. initial @ 2-4 V DC, 100 mA
  • Insulation Resistance: 10[9] Ω min.
  • Dielectric Strength: 1,000 Vrms min. @ sea level
  • Housing & Bushing: Glass filled 6/6 nylon (UL 94V-0)
  • Actuator: Glass filled 6/6 nylon (UL 94V-0)
  • Movable Contacts: Coin silver, silver plated
  • Stationary Contacts & Terminals: Brass, silver plated
  • Hardware: Zinc, nickel plated; steel, bright zinc plated; brass, nickel plated
  • Terminal Seal: Epoxy
  • Operating & Storage Temperature: -30ºC to 85ºC
  • Mounting Style: 3/8-32 threaded or M10 x .75 metric
  • Actuator Height: 1.500”, .375”, .500”, 1.654” or Screwdriver Slot
  • Shorting/Non-shorting Contacts: Non-shorting or Shorting (not available with A114, A124 & A214 models)

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Frequently Asked Questions

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You can click on the BUY or RFQ button to purchase A20403RNCG from an authorized C&K COMPONENTS distributor.

How do I troubleshoot issues or seek technical support for part A20403RNCG?

You can download the A20403RNCG datasheet or visit the C&K COMPONENTS website for support.

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