Keyswitch

KS Series
Single Pole Key Switch

Keyswitch KS product image

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

Available in a variety of cap colors and either an SPST or SPDT configuration, C&K’s KS Single Pole keyswitch is found in products throughout the instrumentation and telecommunications industries. KS keyswitches are built to meet all high-performance expectations while still retaining a consistent tactile feel for the end-user over a long period of time.

Features and Benefits

  • Excellent tactile feel
  • Variety of cap colors
  • SPST and SPDT configurations

Typical Applications

  • Telecommunications
  • Industrial
  • Instrumentation

Specifications

  • Contact Rating:

    25mA @ 50 V AC or DC max.

  • Electrical Life:

    100,000 cycles

  • Contact Resistance:

    < 100 milliohms

  • Insulation Resistance:

    > 1,000 megohms

  • Dielectric Strength:

    1,000 Vrms min. @ sea level

  • Operating Temperature:

    -30°C to 65°C

  • Solderability:

    Per MIL-STD-202F method 208D, or EIA RS-186E method 9 (1 hour steam aging)

= 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 Termination Style Packaging
25mA (AC/DC) SPST-NO Thru-hole Unsealed No/None Off-Mom On 100,000 50V 50V Square, Button Red Thru-hole Bulk
25mA (AC/DC) SPDT Thru-hole Unsealed No/None On-Mom On 100,000 50V 50V Square, Button Black Thru-hole Bulk
25mA (AC/DC) SPST-NO Thru-hole Unsealed No/None Off-Mom On 100,000 50V 50V Square, Button White Thru-hole Bulk
25mA (AC/DC) SPST-NO Thru-hole Unsealed No/None Off-Mom On 100,000 50V 50V Square, Button Black Thru-hole Bulk
25mA (AC/DC) SPDT Thru-hole Unsealed No/None On-Mom On 100,000 50V 50V Square, Button Gray Thru-hole Bulk
25mA (AC/DC) SPDT Thru-hole Unsealed No/None On-Mom On 100,000 50V 50V Square, Button Gray Thru-hole Bulk
25mA (AC/DC) SPST-NO Thru-hole Unsealed No/None Off-Mom On 100,000 50V 50V Square, Button Black Thru-hole Bulk
0.4VA (AC/DC) SPST-NO Thru-hole Unsealed No/None Off-Mom On 100,000 20V 20V Square, Button Black Thru-hole Bulk
0.4VA (AC/DC) SPST-NO Thru-hole Unsealed No/None Off-Mom On 100,000 20V 20V Square, Button Red Thru-hole Bulk
0.4VA (AC/DC) SPST-NO Thru-hole Unsealed No/None Off-Mom On 100,000 20V 20V Square, Button Red Thru-hole Bulk
25mA (AC/DC) SPST-NO Thru-hole Unsealed No/None Off-Mom On 100,000 50V 50V Square, Button White Thru-hole Bulk
0.4VA (AC/DC) SPST-NO Thru-hole Unsealed No/None Off-Mom On 100,000 20V 20V Square, Button Black Thru-hole Bulk
0.4VA (AC/DC) SPST-NO Thru-hole Unsealed No/None Off-Mom On 100,000 20V 20V Square, Button Black Thru-hole Bulk
25mA (AC/DC) SPST-NO Thru-hole Unsealed No/None Off-Mom On 100,000 50V 50V Square, Button Black Thru-hole Bulk
0.4VA (AC/DC) SPST-NO Thru-hole Unsealed No/None Off-Mom On 100,000 20V 20V Square, Button White Thru-hole Bulk
0.4VA (AC/DC) SPST-NO Thru-hole Unsealed No/None Off-Mom On 100,000 20V 20V Square, Button White Thru-hole Bulk
25mA (AC/DC) SPDT Thru-hole Unsealed No/None On-Mom On 100,000 50V 50V Square, Button Black Thru-hole Bulk
0.4VA (AC/DC) SPST-NO Thru-hole Unsealed No/None On-Mom On 100,000 20V 20V Square, Button Red Thru-hole Bulk
0.4VA (AC/DC) SPST-NO Thru-hole Unsealed No/None On-Mom On 100,000 20V 20V Square, Button Red Thru-hole Bulk
25mA (AC/DC) SPDT Thru-hole Unsealed No/None On-Mom On 100,000 50V 50V Square, Button Red Thru-hole Bulk
25mA (AC/DC) SPDT Thru-hole Unsealed No/None On-Mom On 100,000 50V 50V Square, Button Red Thru-hole Bulk
0.4VA (AC/DC) SPDT Thru-hole Unsealed No/None On-Mom On 100,000 20V 20V Square, Button Gray Thru-hole Bulk
0.4VA (AC/DC) SPST-NO Thru-hole Unsealed No/None On-Mom On 100,000 20V 20V Square, Button Gray Thru-hole Bulk
25mA (AC/DC) SPST-NO Thru-hole Unsealed No/None Off-Mom On 100,000 50V 50V Square, Button Red Thru-hole Bulk
0.4VA (AC/DC) SPST-NO Thru-hole Unsealed No/None Off-Mom On 100,000 20V 20V Square, Button Red Thru-hole Bulk