ZMS Series
Mini Size Snap-acting Switch

Snap ZMS product image
Snap ZMS product image
Snap ZMS product image

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

PCB detection switches, communication devices and testing equipment rely upon the long-lasting, highly responsive ZMS series mini size snap-acting switch from C&K. The ZMS series feature a reliable snap-acting mechanism and a compact size, giving designers extra space because of its compact size – and giving their applications the long electrical and mechanical life they need.

Features and Benefits

  • Reliable snap-acting mechanism
  • Long electrical and mechanical life
  • Compact size - Ideal when space is limited
  • IP67 for standalone switch except the metal terminal part; Full IP67 protection when potted with wire version

Typical Applications

  • PCB detection switch
  • Communication devices
  • Testing equipment


  • Contact Rating:

    3A@ 125 V AC/ 3A@ 12 V DC, 0.01A @ 12 V DC

  • Electrical Life:

    100,000 cycles @ 0.01A 12V DC
    100,000 cycles @ 3A 12 V DC
    6,000 cycles @ 3A 125 V AC

  • Insulation Resistance:

    100 megohms min.

  • Dielectric Strength:

    500 Vrms

  • Operating Temperature:

    –40ºC to 85ºC

  • Certifications:

    , UL61058-1, , UL1054,


  • Most Common:


  • Current Rating:

    100mA (DC)

  • Circuit:


  • Mounting Type:

    Thru-hole, Right Angle

  • Sealing:

    Sealed - IP65

  • Illumination:


  • Switch Function:

    On-Mom On

  • Electrical Life Cycles:


  • Voltage Rating - AC:

  • Voltage Rating - DC:


  • Actuator Type:

    Round (Pin Plunger)

  • Termination Style:

    Thru-hole, Right angle

  • Additional Features:

    Support posts

  • Operating Force, Torque:


  • Release Force:


  • Pretravel:

    0.030" (0.8mm)

  • Differential Travel:

    0.012" (0.3mm)

  • Overtravel:

    0.065" (1.7mm)

  • Packaging: