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C&K COMPONENTS A20405RNCQ Rotary Switch

The A Series 1-4 Pole Rotary Switches are versatile, multi-pole switches designed for automation, industrial, and appliance applications. Featuring positive detent, shorting & non-shorting contacts, and panel or PCB mounting options, these switches offer reliable performance with ratings up to 2.5 AMPS at 125 V AC. They are constructed with high-quality materials like glass-filled nylon and brass, providing durability and compliance with RoHS standards. Suitable for demanding electrical environments, the switches support up to 15,000 cycles at full load and 300,000 detent operations, ensuring long service life.

Authorized Distributors
Source:Newark
Part No:A20405RNCQ
Stock:40
Inv Date:06-15-2026
Price: Unit price: $14.79
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Source:DigiKey
Part No:A20405RNCQ
Stock:29
Inv Date:06-15-2026
Price: Unit price: $13.13
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Part No:A20405RNCQ
Stock:64
Inv Date:06-16-2026
Price: Unit price: $12.67
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Part No:A20405RNCQ
Stock:0
Inv Date:06-15-2026
Price: Unit price: $9.95
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Part No:A20405RNCQ
Stock:0
Inv Date:06-15-2026
Price: Unit price: $7.27
Buy/RFQ:
Part No:A20405RNCQ
Stock:0
Inv Date:06-15-2026
Price: Unit price: $7.27
Buy/RFQ:

C&K COMPONENTS A20405RNCQ Rotary Switch Specifications:

  • Contact Rating: 2.5 AMPS @ 125 V AC; 350 mA @ 125 V DC (UL/CSA)
  • Carry Current: 5 AMPS continuous
  • Electrical Life: Up to 15,000 cycles at full load, 300,000 detent operations
  • Contact Resistance: Below 20 mΩ, initial @ 2-4 V DC, 100 mA
  • Insulation Resistance: 10^9 min
  • Dielectric Strength: 1,000 Vrms min @ sea level
  • Operating & Storage Temp: -30°C to 85°C
  • 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 or gold over nickel, based on contact material
  • Stationary Contacts & Terminals: Brass, silver or gold plated
  • Hardware: Zinc, nickel plated nut; steel, zinc plated lockwasher; brass, nickel plated stop ring
  • Terminal Seal: Epoxy
  • Dimensions: Mounting hole diameter 0.250 inch (6.35 mm), actuator height up to 1.654 inch (42 mm), various shaft lengths, material options for custom configurations

Buy the Buy CK Switches Rotary Switch Part Number A20405RNCQ Online

Purchase the CK Switches Series A20405RNCQ rotary switch online now to ensure reliable operation in your industrial, automation, or appliance application. Crafted with durable materials like glass-filled nylon and brass, and rated for up to 2.5 AMPS at 125 V AC, these switches support high cycle counts, making them ideal for demanding environments. Their positive detent mechanism, RoHS compliance, and robust design guarantee long service life. Available with various pole and position configurations, they are perfect for precise control in electrical systems.

Order your CK Switches Series A20405RNCQ rotary switch today and enhance your industrial or automation projects with dependable, high-performance switching solutions.

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You can download the A20405RNCQ datasheet or visit the C&K COMPONENTS website for support.

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