Pushbutton

8551SZQE2
85000 Series
Subminiature Pushbutton Switches

Pushbutton 8500 product image

Image shown represents the product series and may not indicate the actual part number

For those designers that need a reliable pushbutton switch for their networking, computing, telecommunications or detection products, C&K’s 8500 series of subminiature pushbutton switches are the perfect fit. Designed for ratings up to 3A, the 8500 switches have a reliable contact design and are available in pre-travel or over-travel models.

Features and Benefits

  • Pre-travel or over-travel models available
  • Reliable contact design
  • Ratings up to 3 A

Typical Applications

  • Telecommunications & networking equipment
  • Computers & peripherals
  • Detection

Specifications

  • Contact Rating:

    Silver contact material (853X Models): 1 A @ 120 V AC or 28 V DC; (855X Models): 3 A @ 120 V AC or 28 V DC

  • Contact Resistance:

    Below 30 milliohms typ. initial @ 2-4 V DC, 100 mA, for both silver and gold plated contacts

  • Electrical Life:

    853X Models: 250,000 actuations at full load. 855X Models: 10,000 actuations at full load.

  • Dielectric Strength:

    1,000 Vrms min. @ sea level

  • Insulation Resistance:

    10⁹ ohms min.

  • Operating Temperature:

    –30ºC to 65ºC

  • Certifications:

    models available

8551SZQE2

  • Most Common:

    No

  • Current Rating:

    3A (AC/DC)

  • Circuit:

    SPST-NO

  • Mounting Type:

    Panel Mount, Rear, Threaded

  • Sealing:

    Unsealed

  • Illumination:

    No/None

  • Switch Function:

    Off-Mom

  • Electrical Life Cycles:

    10,000

  • Voltage Rating - AC:

    120V

  • Voltage Rating - DC:

    28V

  • Actuator Type:

    Round, Plunger

  • Color - Actuator/Cap:

    Black

  • Illumination Type, Color:

  • Illumination Voltage (Nominal):

  • Termination Style:

    Solder Lug

  • Additional Features:

    Epoxy Sealed Terminals

  • Panel Cutout Dimensions:

    Circular - 6.35mm Dia

  • Packaging:

    Bulk