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C&K COMPONENTS A40303RNCQ Rotary Switch

The C&K Components A40303RNCQ is a versatile rotary switch designed for various applications including automotive, major and small appliances, and industrial equipment. It offers multi-pole and multi-position functionality with positive detent, and is available with shorting or non-shorting contacts. The switch features glass-filled nylon housing and actuators, coin silver or gold-plated contacts, and various mounting options. It is RoHS compliant and designed for reliable performance in demanding environments.

Authorized Distributors
Source:Newark
Part No:A40303RNCQ
Stock:70
Inv Date:06-15-2026
Price: Unit price: $17.51
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Source:DigiKey
Part No:A40303RNCQ
Stock:121
Inv Date:06-15-2026
Price: Unit price: $16.26
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Part No:A40303RNCQ
Stock:96
Inv Date:06-16-2026
Price: Unit price: $16.26
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Part No:A40303RNCQ
Stock:0
Inv Date:06-15-2026
Price: Unit price: $13.28
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Part No:A40303RNCQ
Stock:0
Inv Date:06-15-2026
Price: Unit price: $11.75
Buy/RFQ:
Part No:A40303RNCQ
Stock:0
Inv Date:06-15-2026
Price: Unit price: $11.75
Buy/RFQ:
Part No:A40303RNCQ
Stock:0
Inv Date:06-15-2026
Price: Unit price: $8.99
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C&K COMPONENTS A40303RNCQ 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
  • Indexing: 30° or 90°
  • Positions: 1 to 12 positions
  • Shorting/Non-shorting Contacts: Non-shorting or Shorting (not available with A114, A124 & A214 models)

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Frequently Asked Questions

Where can I buy C&K COMPONENTS A40303RNCQ?

You can click on the BUY or RFQ button to purchase A40303RNCQ from an authorized C&K COMPONENTS distributor.

How do I troubleshoot issues or seek technical support for part A40303RNCQ?

You can download the A40303RNCQ datasheet or visit the C&K COMPONENTS website for support.

Who is the manufacturer of A40303RNCQ?

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