Pushbutton

8500 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

= Most Common

Part Number
Current Rating Circuit Mounting Type Sealing Illumination Switch Function Electrical Life Cycles Voltage Rating - AC Voltage Rating - DC Actuator Type Color - Actuator/Cap Illumination Type, Color Illumination Voltage (Nominal) Termination Style Additional Features Panel Cutout Dimensions Packaging
3A (AC/DC) SPST-NO Panel Mount, Front, Snap-In Unsealed No/None Off-Mom 10,000 120V 28V Square, Button Black Solder Lug Epoxy Sealed Terminals Rectangular - 15.24mm x 12.70mm Bulk
3A (AC/DC) SPST-NO Panel Mount, Rear, Threaded Unsealed No/None Off-Mom 10,000 120V 28V Round, Button White Solder Lug Epoxy Sealed Terminals Circular - 11.91mm Dia Bulk
3A (AC/DC) SPST-NO Panel Mount, Rear, Threaded Unsealed No/None Off-Mom 10,000 120V 28V Round, Button Black Solder Lug Epoxy Sealed Terminals Circular - 11.91mm Dia Bulk
3A (AC/DC) SPST-NO Panel Mount, Rear, Threaded Unsealed No/None Off-Mom 10,000 120V 28V Round, Plunger Black Thru-hole Epoxy Sealed Terminals Circular - 6.35mm Dia Bulk
3A (AC/DC) SPST-NO Panel Mount, Rear, Threaded Unsealed No/None Off-Mom 10,000 120V 28V Round, Plunger Black Solder Lug Epoxy Sealed Terminals Circular - 6.35mm Dia Bulk
3A (AC/DC) SPST-NO Panel Mount, Rear, Threaded Unsealed No/None Off-Mom 10,000 120V 28V Round, Plunger Red Solder Lug Epoxy Sealed Terminals Circular - 6.35mm Dia Bulk
3A (AC/DC) SPST-NO Panel Mount, Rear, Threaded Unsealed No/None Off-Mom 10,000 120V 28V Round, Plunger Black Solder Lug Epoxy Sealed Terminals Circular - 6.35mm Dia Bulk
3A (AC/DC) SPST-NO Panel Mount, Rear, Threaded Unsealed No/None Off-Mom 10,000 120V 28V Round, Plunger Black Solder Lug Epoxy Sealed Terminals Circular - 6.35mm Dia Bulk
3A (AC/DC) SPST-NO Panel Mount, Rear, Threaded Unsealed No/None Off-Mom 10,000 120V 28V Round, Button Black Thru-hole Epoxy Sealed Terminals Circular - 11.91mm Dia Bulk
3A (AC/DC) SPST-NO Panel Mount, Rear, Threaded Unsealed No/None Off-Mom 10,000 120V 28V Round, Button Black Solder Lug Epoxy Sealed Terminals Circular - 11.91mm Dia Bulk
0.4VA (AC/DC) SPST-NO Panel Mount, Rear, Threaded Unsealed No/None Off-Mom 250,000 20V 20V Round, Plunger Black Thru-hole Epoxy Sealed Terminals Circular - 6.35mm Dia Bulk
3A (AC/DC) SPST-NO Panel Mount, Front, Snap-In Unsealed No/None Off-Mom 10,000 120V 28V Square, Button Black Solder Lug Epoxy Sealed Terminals Rectangular - 15.24mm x 12.70mm Bulk
0.4VA (AC/DC) SPST-NO Panel Mount, Rear, Threaded Unsealed No/None Off-Mom 250,000 20V 20V Round, Button Black Solder Lug Epoxy Sealed Terminals Circular - 11.91mm Dia Bulk
0.4VA (AC/DC) SPST-NO Panel Mount, Rear, Threaded Unsealed No/None Off-Mom 250,000 20V 20V Round, Button Red Solder Lug Epoxy Sealed Terminals Circular - 11.91mm Dia Bulk
1A (AC/DC) SPST-NO Panel Mount, Rear, Threaded Unsealed No/None Off-Mom 250,000 120V 28V Round, Button Black Solder Lug Epoxy Sealed Terminals Circular - 11.91mm Dia Bulk
1A (AC/DC) SPST-NO Panel Mount, Rear, Threaded Unsealed No/None Off-Mom 250,000 120V 28V Round, Button Black Solder Lug Epoxy Sealed Terminals Circular - 11.91mm Dia Bulk
1A (AC/DC) SPST-NO Panel Mount, Rear, Threaded Unsealed No/None Off-Mom 250,000 120V 28V Round, Button Red Solder Lug Epoxy Sealed Terminals Circular - 11.91mm Dia Bulk
0.4VA (AC/DC) SPST-NO Panel Mount, Front, Snap-In Unsealed No/None Off-Mom 250,000 20V 20V Square, Button Black Thru-hole Epoxy Sealed Terminals Rectangular - 15.24mm x 12.70mm Bulk
0.4VA (AC/DC) SPST-NO Panel Mount, Front, Snap-In Unsealed No/None Off-Mom 250,000 20V 20V Square, Button Black Solder Lug Epoxy Sealed Terminals Rectangular - 15.24mm x 12.70mm Bulk
1A (AC/DC) SPST-NO Panel Mount, Front, Snap-In Unsealed No/None Off-Mom 250,000 120V 28V Square, Button Black Solder Lug Epoxy Sealed Terminals Rectangular - 15.24mm x 12.70mm Bulk
1A (AC/DC) SPST-NO Panel Mount, Front, Snap-In Unsealed No/None Off-Mom 250,000 120V 28V Square, Button Gray Solder Lug Epoxy Sealed Terminals Rectangular - 15.24mm x 12.70mm Bulk
1A (AC/DC) SPST-NO Panel Mount, Front, Snap-In Unsealed No/None Off-Mom 250,000 120V 28V Square, Button Black Solder Lug Epoxy Sealed Terminals Rectangular - 15.24mm x 12.70mm Bulk
3A (AC/DC) SPST-NO Panel Mount, Rear, Threaded Unsealed No/None Off-Mom 10,000 120V 28V Round, Plunger Black Solder Lug Epoxy Sealed Terminals Circular - 6.35mm Dia Bulk
3A (AC/DC) SPST-NO Panel Mount, Rear, Threaded Unsealed No/None Off-Mom 10,000 120V 28V Round, Plunger Red Solder Lug Epoxy Sealed Terminals Circular - 6.35mm Dia Bulk
3A (AC/DC) SPST-NO Panel Mount, Rear, Threaded Unsealed No/None Off-Mom 10,000 120V 28V Round, Plunger Black Solder Lug Epoxy Sealed Terminals Circular - 6.35mm Dia Bulk