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C&K COMPONENTS A3151U2A8SZRQ 4 & 5 Pole Tumbler Switchlock

The C&K A3151U2A8SZRQ is a versatile tumbler switchlock suitable for demanding applications. Featuring multi-pole and multi-position capabilities, it provides flexibility in circuit control. Available with shorting and non-shorting contacts, it caters to diverse electrical requirements. Constructed with durable materials like zinc alloy, stainless steel facing, and glass-filled nylon, this switchlock ensures long-lasting performance in security alarm systems, medical equipment, and computer servers. Keying options and customizable features are available through the Customer Service Center.

Authorized Distributors
Source:DigiKey
Part No:A3151U2A8SZRQ
Stock:0
Inv Date:06-15-2026
Price: Unit price: $40.02
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Part No:A3151U2A8SZRQ
Stock:68
Inv Date:06-16-2026
Price: Unit price: $39.23
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Part No:A3151U2A8SZRQ
Stock:0
Inv Date:06-15-2026
Price: Unit price: $38.25
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Part No:A3151U2A8SZRQ
Stock:125
Inv Date:06-15-2026
Price: Unit price: $28.04
Buy/RFQ:
Part No:A3151U2A8SZRQ
Stock:125
Inv Date:06-15-2026
Price: Unit price: $28.04
Buy/RFQ:
Part No:A3151U2A8SZRQ
Stock:1
Inv Date:06-16-2026
Price: N/A
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C&K COMPONENTS A3151U2A8SZRQ 4 & 5 Pole Tumbler Switchlock 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
  • Operating Temperature: –30ºC to 85ºC
  • Indexing: 30º: 2-4 positions, 45º or 90º: 2-3 positions
  • Static Resistance: Anti-static models exceed 20 KV DC static resistance @ sea level
  • Lock Material: Zinc alloy with stainless steel facing
  • Key Material: Nickel plated brass
  • Switch Housing Material: Glass filled 6/6 nylon (UL 94V-0)
  • Movable Contact Material: Coin silver, silver plated
  • Stationary Contact Material: Brass, silver plated
  • Mounting Nut Material: Zinc alloy
  • Dress Nut Material: Brass, nickel plated
  • Terminal Seal Material: Epoxy

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Frequently Asked Questions

Where can I buy C&K COMPONENTS A3151U2A8SZRQ?

You can click on the BUY or RFQ button to purchase A3151U2A8SZRQ from an authorized C&K COMPONENTS distributor.

How do I troubleshoot issues or seek technical support for part A3151U2A8SZRQ?

You can download the A3151U2A8SZRQ datasheet or visit the C&K COMPONENTS website for support.

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