Switchlock
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A3151U2A1NZRQ
A Series
4 & 5 Tumbler 1-4 Pole Switchlock

Switchlock A product image

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C&K’s A series switches are 4 & 5 tumbler, 1-4 pole switchlocks that are used regularly by designers of security alarm systems, medical equipment and computer servers. Available with multi-pole and multi-position options, the A series have a low-level power capability and are availability with shorting or non-shorting contacts available.

Features and Benefits

  • Multi-pole and multi-position
  • Shorting and non-shorting contacts available
  • Low level and power capability

Typical Applications

  • Security alarm systems
  • Medical equipment
  • Computer servers

Specifications

  • Contact Rating:

    Q contact material: Switch-2.5 AMPS @ 125 V AC; 350 mA @ 125 V DC (UL/CSA). Carry-5 AMPS continuous. See datasheet for additional ratings

  • Electrical Life:

    15,000 make-and-break cycles at full load up to 300,000 detent operations

  • Contact Resistance:

    Below 20 milliohm typ. initial @ 2-4 V DC, 100 mA, for both silver and gold plated contacts

  • Insulation Resistance:

    109 ohm min.

  • Dielectric Strength:

    1,000 Vrms min. @ sea level

  • Indexing:

    30º: 2-4 positions, 45º or 90º: 2-3 positions

  • Certifications:

    models available

A3151U2A1NZRQ

  • Most Common:

    No

  • Current Rating:

    2.5A (AC), 350mA (DC)

  • Circuit:

    3P3T

  • Mounting Type:

    Panel Mount, Front, Threaded

  • Sealing:

    Unsealed

  • Illumination:

    No/None

  • Electrical Life:

    15,000

  • Number of Positions:

    3

  • Switch Function:

    On-On-On

  • Contact Timing:

    Non-Shorting (BBM)

  • Voltage Rating - AC:

    125V

  • Voltage Rating - DC:

    125V

  • Actuator Type:

    Flat Key

  • Key Removable Positions:

    1 and 3

  • Angle of Throw:

    45°

  • Contact Material:

    Silver

  • Contact Finish:

    Silver

  • Termination Style:

    Solder Lug

  • Panel Cutout Dimensions:

    Circular - 19.30mm Dia

  • Other Features:

  • Antistatic:

    No