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C&K COMPONENTS A20303RNMCQ Rotary Switch

The C&K A20303RNMCQ is a versatile 1-4 pole rotary switch designed for a wide range of 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 to suit different circuit requirements. The switch is RoHS compliant and features a robust construction with glass-filled nylon housing and various contact material options. It supports panel and PCB mounting and is available with different actuator heights and termination styles.

Authorized Distributors
Source:Newark
Part No:A20303RNMCQ
Stock:72
Inv Date:06-15-2026
Price: Unit price: $12.45
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Source:DigiKey
Part No:A20303RNMCQ
Stock:0
Inv Date:06-15-2026
Price: Unit price: $8.27153
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Source:DigiKey
Part No:A20303RNMCQ
Stock:72
Inv Date:06-15-2026
Price: Unit price: $12.35
Buy/RFQ:
Part No:A20303RNMCQ
Stock:0
Inv Date:06-16-2026
Price: Unit price: $12.98
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Part No:A20303RNMCQ
Stock:0
Inv Date:06-15-2026
Price: Unit price: $12.44
Buy/RFQ:
Part No:A20303RNMCQ
Stock:72
Inv Date:06-15-2026
Price: Unit price: $7.82
Buy/RFQ:
Part No:A20303RNMCQ
Stock:72
Inv Date:06-15-2026
Price: Unit price: $7.82
Buy/RFQ:

C&K COMPONENTS A20303RNMCQ 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” (metric)
  • Shorting/Non-shorting Contacts: Non-shorting or shorting (shorting not available with A114, A124 & A214 models)

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You can download the A20303RNMCQ datasheet or visit the C&K COMPONENTS website for support.

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