Pushbutton

KM Series
Subminiature Pushbutton Switches

img description

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

Innovative alarm system, detector switch and computing equipment developers turn to C&K’s KM series of subminiature pushbutton switches when they need a switch that is reliable, long-lasting and compliant with RoHS. Built with a reliable contact design, the KM series are available with pretravel and overtravel options.

Features and Benefits

  • Available with pretravel and overtravel
  • Reliable contact design

Typical Applications

  • Detector switch application
  • Alarm systems
  • Computers

Specifications

  • Contact Rating:

    Silver contact material (KM11, KM12 Models): 0.25 A @ 125 V AC or DC (UL); (KM33 Model): 1 A @ 125 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:

    10,000 actuations min. at full load

  • Dielectric Strength:

    1,000 Vrms min. @ sea level

  • Insulation Resistance:

    10⁹ ohms min.

  • Operating Temperature:

    –30ºC to 85ºC

  • Certifications:

    models available

= Most Common

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
0.4VA (AC/DC) SPST-NO Panel Mount, Rear, Threaded Unsealed None Off-Mom 10,000 20V 20V Plunger for Cap White Surface Mount, Right Angle Circular - 6.35mm Dia Bulk
250mA (AC/DC) SPST-NO Panel Mount, Rear, Threaded Unsealed None Off-Mom 10,000 125V 125V Plunger for Cap White Thru-hole Circular - 6.35mm Dia Bulk
250mA (AC/DC) SPST-NO Panel Mount, Rear, Threaded Unsealed None Off-Mom 10,000 125V 125V Plunger for Cap White Thru-hole Epoxy Sealed Terminals Circular - 6.35mm Dia Bulk
0.4VA (AC/DC) SPST-NO Panel Mount, Rear, Threaded Unsealed None Off-Mom 10,000 20V 20V Plunger for Cap White Thru-hole Circular - 6.35mm Dia Bulk
0.4VA (AC/DC) SPST-NO Panel Mount, Rear, Threaded Unsealed None Off-Mom 10,000 20V 20V Plunger for Cap White Thru-hole Epoxy Sealed Terminals Circular - 6.35mm Dia Bulk
250mA (AC/DC) SPST-NO Panel Mount, Rear, Threaded Unsealed None Off-Mom 10,000 125V 125V Plunger for Cap White Thru-hole Circular - 6.35mm Dia Bulk
0.4VA (AC/DC) SPDT Thru-hole, Right Angle Unsealed None On-Mom 10,000 20V 20V Plunger for Cap White Thru-hole, Right Angle Epoxy Sealed Terminals Bulk
250mA (AC/DC) SPDT Thru-hole, Right Angle Unsealed None On-Mom 10,000 125V 125V Plunger for Cap White Thru-hole, Right Angle Epoxy Sealed Terminals Bulk
0.4VA (AC/DC) SPST-NC Panel Mount, Rear, Threaded Unsealed None On-Mom 10,000 20V 20V Plunger for Cap White Thru-hole Epoxy Sealed Terminals Circular - 6.35mm Dia Bulk
1A (AC/DC) SPST-NC Panel Mount, Rear, Threaded Unsealed None On-Mom 10,000 125V 28V Plunger for Cap White Thru-hole Circular - 6.35mm Dia Bulk
1A (AC/DC) SPST-NC Panel Mount, Rear, Threaded Unsealed None On-Mom 10,000 125V 28V Plunger for Cap White Thru-hole Epoxy Sealed Terminals Circular - 6.35mm Dia Bulk