Welcome to Foremost Web Site

Marquardt Keymodule Switches

Series 6425 - Keymodules without LED
Series 6425 Keymodules without LED
Series 6425 - Keymodules with LED
Series 6425 Keymodules with LED
Keycaps
Keycaps
Guide Mechanism for Multiple keycaps of series 6425
Guide Mechanism for Multiple keycaps of series 6425
Series 6450 - Keymodules without LED
Series 6450 Keymodules without LED
Series 3006 - Short-travel keyswitch
Series 3006 Short-travel keyswitch
Marquardt Keymodule Switches
Marguardt Keymodule Switches

An attractive range of modular single pole, low profile switches with a variety of cap designs and colours

  • Gold contacts 28V at 100ma
  • Double & treble width cap options
  • High reliability > 10 million operations
  • LED illuminated options
  • Standard & custom cap legends
  • Light touch feel, 0.70N force

Series 6425 - Keymodules without LED

Series 6425 - Keymodules without LED
Series 6425 - Keymodules without LED
  • SPNO with and without LED
  • High life endurance
  • Gold contacts guarantee secure switching function
  • Short bounce time
  • Comfortable actuation characteristic and low operating noise
  • Low profile
  • The keymodules are suitable for automatic soldering

Standard version for all single keycaps with spacing 16 mm or spacing 19 mm - details

Special version I with narrow socket, preferably for use with multiple keycaps (guide mechanism) - details

Special version II prepared for on-site assembly of a LED - details

Series 6425 - Keymodules with LED

Series 6425 - Keymodules with LED
Series 6425 - Keymodules with LED
  • SPNO with various LED versions
  • High life endurance
  • Gold contacts guarantee secure switching function
  • Short bounce time
  • Comfortable actuation characteristic and low operating noise
  • Low profile
  • The keymodules are suitable for automatic soldering

Version with LED for square keycaps 829 000 with spacing 16 mm - details

Version with LED for square keycaps 828 000 with spacing 19 mm - details

Version with LED for keycaps with small surface area 827 with spacing 16 mm resp. > 15 mm - details

Keycaps

Square Keycaps - Without LED Window for Keymodules of Series 6425
Square Keycaps without LED
  • With ergonomic surface area

Without characters

With white characters

Square Keycaps - With LED Window for Keymodules of Series 6425
Square Keycaps with LED
  • With ergonomic surface area and LED window, spacing 16 mm
  • Keycaps with characters on request

With ergonomic surface area and LED window spacing 16 mm

With ergonomic surface area and LED window spacing 19 mm

Multiple Keycaps - With and Without LED Window for Keymodules of Series 6425
Multiple Keycaps - With and Without LED
  • With ergonomic surface area and LED window, spacing 16 mm
  • Keycaps with characters on request

Two-fold keycaps spacing 16 mm, optionally with or without LED window

Two-fold keycaps spacing 19 mm, optionally with or without LED window

Three-fold keycaps spacing 16 mm

Three-fold keycaps spacing 19 mm

Round Keycaps - For Keymodules of Series 6425
Round Keycaps - For Keymodules of Series 6425
  • with ergonomic surface area, Ø 17 mm.
Keycaps - For Keymodules of Series 6425 With and Without LED
Keycaps - For Keymodules of Series 6425 With and Without LED
  • With small surface area.
  • Further colours on request.

With oval surface area, spacing 16 mm

With round surface area, spacing > 15 mm

With rectangular surface area, arranged diagonally, spacing > 15 mm

With rectangular surface area, arranged at right angles, spacing > 15 mm

With rectangular surface area, arranged at right angles, spacing > 15 mm

Guide Mechanism for Multiple keycaps of series 6425

Guide Mechanism - For Multiple Keycaps of Keymodules Series 6425
Guide Mechanism - For Multiple Keycaps of Keymodules Series 6425
  • The Marquardt guide mechanism for multiple keycaps guarantees optimum functioning even when actuated off-centre.
    The guide mechanism can optionally be assembled with one or two LEDs.

Two-fold keycaps spacing 16 mm
Three-fold keycaps, spacing 16 mm Two-fold keycaps, spacing 19 mm Three-fold keycaps, spacing 19 mm

Series 6450 - Keymodules without LED

Series 6450 - Keymodules without LED
Series 6450 - Keymodules without LED
  • SPNO
  • High life endurance
  • Gold contacts guarantee secure switching function
  • Short bounce time
  • Comfortable actuation characteristic and low operating noise
  • Low profile
  • The keymodules are suitable for automatic soldering

Keymodules with small surface are spacing 16 x 13 mm - details

Keymodules anthracite with white characters - details

Series 3006 - Short-travel keyswitch

Series 6450 - Keymodules without LED
Series 6450 - Keymodules without LED
  • large actuation surface
  • low profile even with integrated LED
  • high packing density on the PCB
  • high switching reliability
  • long life endurance 500,000 cycles
  • operating forces of 4, 6 or 7.3 N can be selected, other actuating forces on request
  • choice of 5 LED colors, other colors on request

Very compact, single-pole NC short-travel keyswitch in snap action disc technique with damping, integrated LED (optional) and extremely low installation depth - details