4.2
*Version on stock
P R O D U C T A D VA N TAG E S
◆Single pole NO 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
T E C HNICAL DATA
◆Voltage 28 V max.
◆Current 100 mA max.
◆Life endurance > 106cycles
at 10 mA 12 V
◆Contact resistance < 250 m#
◆Insulation resistance (new state)
> 100 M#
◆Bounce time typical < 5 ms
◆Ambient temperature -20 ... +70 °C
◆Storage temperature -55 ... +75 °C
◆Actuating force approx. 0,7 N
◆Total travel max. 1.6 mm
◆Housing made of thermoplastic material
◆Contact material gold
◆Terminals tinned
S P E C I A L N O T E S
◆For use of keymodules with integrated
LED a current limitation to max. 20 mA
is necessary.
1mm
1N
F
S
SERIES 6425 - KEYMODULES
Actuating force / travel diagram
for all single keykaps with spacing 16 mm or 19 mm
for guide mechanism, keymodules with narrow socket
3,6 3,6
10,7
7,1
14,4
13,5
6425.0101*
3,6 3,6
10,7
7,1
14,4
10,9
6425.1101*
5,08 5,08
5,08
Ø 1 - 1,5
5,08
Ø 1,3
5,08 5,08
5,08
Ø 1 - 1,5
5,08
Ø 1,3
frame: I13.55 mm
1.2 mm thickness
frame: 11 x 13.55 mm
1.2 mm thickness
4.3
*Version on stock
V E R S I O N W I T H L E D
for square keycaps 829 000 . . .
(page 4.4) with spacing 16 mm.
3,6 3,6
10,7
7,1
8
14,4
13,5
V E R S I O N W I T H L E D
for square keycaps 828 000 . . .
(page 4.4) with spacing 19 mm.
6425.4111 LED red*
6425.4121 LED yellow
6425.4131 LED green
3,6 3,6
10,7
7,1
8
14,4
13,5
6425.3111 LED red*
6425.3121 LED yellow
6425.3131 LED green
5,08 5,08
5,95
5,95
4,15
4,15
5,08
5,08
Ø 1 - 1,5
Ø 1,3
Ø 1
5,08 5,08
5,95
5,95
4,15
4,15
5,08
5,08
Ø 1 - 1,5
Ø 1,3
Ø 1
frame: I13.55 mm
1.2 mm thickness
frame: I13.55 mm
1.2 mm thickness
3,6 3,6
10,7
7,1
11
14,4
13,5
VER SION WI T H L E D
for keycaps with small surface area
827 . . . . . . (page 4.6) with spacing
16 mm resp. > 15 mm .
6425.6111 LED red*
6425.6121 LED yellow
6425.6131 LED green
5,08 5,08
5,95
5,95
4,15
4,15
5,08
5,08
Ø 1 - 1,5
Ø 1,3
Ø 1
frame: I13.55 mm
1.2 mm thickness
K E Y M O D U L E
prepared for on-site assembly of a LED.
7
~1
7
1,6
6425.2101
spacing 16 mm spacing 19 mm
3,6 3,6
10,7
7,1
14,4
13,5 5,08 5,08
5,95
5,95
4,15
4,15
5,08
5,08
Ø 1 - 1,5
Ø 1,3
frame: I 13.55 mm
1.2 mm thickness
(on request Ø 1)
4.4*Version on stock
S Q U A R E K E Y C A P S
with ergonomic surface area. For spacing
16 mm and 19 mm.
different colours and characters on
request
KEYCAPS WITH AND WITHOUT LED WINDOW
FOR KEYMODULES OF SERIES 6425
826 000 011*
825 000 011*
spacing 16 mm
spacing 19 mm
826 000 021*
825 000 021*
826 000 071*
825 000 071*
826 000 091*
825 000 091*
spacing 16 mm
10,7
13,2
15,5
11,5
7,1
6,8
5,1
5,1
15,5
Ø 3,3
spacing 19 mm
10,7
13,2
18,3
13
7,1
6,8
6,2
6,2
18,3
Ø 3,3
829 000 011*
828 000 011*
spacing 16 mm
spacing 19 mm
829 000 021*
828 000 021*
829 000 071*
828 000 071*
829 000 091*
828 000 091*
W I T H O U T L E D W I N D O W
W I T H L E D W I N D O W
4.5
*Version on stock
S Q U A R E K E Y C A P S
with white characters.
Please complete the reference numbers
by the three figures below the respective
character.
basic reference numbers for
spacing 16 mm:
anthracite: 826 . . . 011
dark grey: 826 . . . 021
basic reference numbers for
spacing 19 mm:
anthracite: 825 . . . 011
dark grey: 825 . . . 021
Other keycap colours and
characters on request.
051 052 053 054 055 056
057 058 059 060 061 062
063 064 065 066 067 068
069 070 071 072 073 074
075 076
017 018 019 020 021 022
023 024 011 016 015 170
010 001 002 003 004
005 006 007 008 009
4.6*Version on stock
R O U N D K E Y C A P S
with ergonomic surface area,
Ø 17 mm.
keycaps with characters and
other colours on request.
KEYCAPS WITH AND WITHOUT LED WINDOWS
FOR KEYMODULES OF SERIES 6425
840 000 011*
Ø17
10,7
2,5
7,1
6,8
840 000 021
K E Y C A P S
with oval surface area,
spacing 16 mm.
827 020 011
827 020 021
827 020 031
anthracite
dark grey
grey
anthracite
dark grey
grey
15,5
10,7
7,1 7
6
11,3
11
0,6
5,1
5,1
5
15,5
Ø 4
1,4
K E Y C A P S
with round surface area,
spacing > 15 mm.
827 100 011
827 100 021
827 100 031
10,7
7,1 7,4
6
11,7
4
4
14,4
8
14,4
4.7
*Version on stock
G U I D E M E C H A N I S M
The Marquardt guide mechanism for mul-
tiple keycaps guarantees optimum func-
tioning even when actuated off-centre.
The guide mechanism can optionally be
assembled with one or two LEDs.
GUIDE MECHANISM FOR MULTIPLE KEYCAPS
OF KEYMODULES SERIES 6425
2,2
31,4
16,5
13,551,6
10
6
13,55
G U I D E M E C H A N I S M F O R
two-fold keycaps, spacing 16 mm.
190 059 013
6425.1101
PC-board layout, component side
14,4 14,4
21,6
11,9 11,9
5,08
5,08
5,08
5,08
recommended cut-out
2,2
26,2
16,5
13,551,6
10
6
13,55
G U I D E M E C H A N I S M F O R
three-fold keycaps, spacing 16 mm
two-fold keycaps, spacing 19 mm
three-fold keycaps, spacing 19 mm
190 059 023
PC-board layout, component side
17
26,7
14,5
5,08
5,08
5,08
5,08
recommended cut-out
component hole Ø 1,3
fixing hole Ø 1,3
hole for
snap-in fixing Ø 3
(on request Ø 1)
hole for
snap-in fixing Ø 3
(on request Ø 1)
component hole Ø 1,3
fixing hole Ø 1,3
4.8*Version on stock
T W O - F O L D K E Y C A P S
spacing 16 mm, optionally with or
without LED window
keycaps with characters on request
MULTIPLE KEYCAPS WITH AND WITHOUT LED WINDOW FOR
KEYMODULES OF SERIES 6425
without LED window:842 000 011 anthracite
842 000 021 dark grey
842 000 031 grey
with 1 LED window:842 500 011anthracite
with 2 LED windows:842 800 011 anthracite
2,5
31,5
27,5
13,1 13,1
7,1
6,8
10,7
15,5
5,15,1
11,5
T W O - F O L D K E Y C A P S
spacing 19 mm, optionally with or without
LED window.
keycaps with characters on request.
without LED window:844 000 011 anthracite
844 000 021 dark grey
844 000 031 grey
with 1 LED window: 844 500 011 anthracite
2,5
37,3
32
15,7
7,1
6,8
10,7
18,3
6,2
13
T H R E E - F O L D K E Y C A P S
spacing 16 mm.
keycaps with characters on request
843 000 011 anthracite
2,5
7,1
6,8
10,7
47,5
32
T H R E E - F O L D K E Y C A P S
spacing 19 mm.
keycaps with characters on request
845 000 011 anthracite
2,5
7,1
6,8
10,7
56,3
51
