data sheet
selector switch
type 08
main features
12 pOsitiONs multi waFeR seleCtOR switCh FOR pCB mOuNtiNG
››
Compact and versatile 12 positions
multi wafer selector switch
››
For pCB mounting
››
25,000 switching cycles with up to 9.0 Ncm
switching torque
››
Gold plated contacts: 3 micron
››
Robust metal housing with metal shaft
››
Operating temperature range: -40 to +85°
››
Various options and customizations
type 08
standard product variety
■›
■›
■›
■›
■›
From 1 x 12 to 4 x 3 poles/positions per wafer
up to 8 wafers
shorting or non-shorting
3.0, 6.0 or 9.0 Ncm switching torque
Configurable end stops
possible customizations
■›
■›
■›
■›
shaft dimension and shape
switching torque
hollow shaft, inner shaft
Others
typical applications
■›
■›
■›
industrial controls
avionics, instrumentation, test systems
medical and audio equipment
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1/6
data sheet
selector switch
type 08
1
preference types selection chart
number of
wafers
1
2
3
1
for other types/options, see type key.
contact arrangement
common wafer part contact
switching wafer part contact
function
(poles x positons)
1 x 12, endless rotating
2 x 12, endless rotating
3 x 12, endless rotating
4 x 12, endless rotating
1 x 12
2 x 12
3 x 12
4 x 12
2x6
4x6
6x6
8x6
3x4
6x4
9x4
12 x 4
4x3
8x3
12 x 3
16 x 3
standard type key
shorting
non-shorting
08-1103
08-2103
08-3103
08-4103
08-1113
08-2113
08-3113
08-4113
08-1263
08-2263
08-3263
08-4263
08-1343
08-2343
08-3343
08-4343
08-1433
08-2433
08-3433
08-4433
08-1104
08-2104
08-3104
08-4104
08-1114
08-2114
08-3114
08-4114
08-1264
08-2264
08-3264
08-4264
08-1344
08-2344
08-3344
08-4344
08-1434
08-2434
08-3434
08-4434
* *
1 1
121110 9 8978675645342312 1
121110
4
1
2
3
* *
1 1
121110 9 8978675645342312 1
121110
4
1
2
3
* *
b b 1 1
a a 1 1
121110 9 8978675645342312 1
121110
4
1
2
3
* *
c
1 1 b b 1 a 1 1
1
c
a
121110 9 8978675645342312 1
121110
4
1
2
3
* *
1d 1 c 1c 1 b 1b 1 a 1a 1
d
stop and fixing screws
121110 9 8978675645342312 1
121110
4
* common interconnection to be made on pcB.
Configurable stop screws can be set on any
position between 2 and the maximum. stop
screws have to be ordered separately.
packaging size
stop screw m1.2
stop screw m1.2
fixing screw m2 x 9
10 pcs.
100 pcs.
10 pcs.
order number
4224-11
4224-10
4224-01
available in kit form
mechanism, wafer and shaft are supplied separately. this offers more possibilities to place the switch on the pC-board.
wafer
Mechanism
Shaft
Wafer
functions
(poles x positions)
1 x 12
2x6
3x4
4x3
shorting
4217-10
4217-11
4217-13
4217-12
non-shorting
4218-10
4218-10
4218-13
4218-12
View of wafer from
front side
15
switch mechanism
number of
poles
≤6
positions
12
12
torque
6.0 ncm
9.0 ncm
order number
4214-10
4214-12
Pin 12
Pin 1
>6
shaft including assembly material
Shaft
25
14,8
L
functions
(poles x positions)
75 mm
100 mm
125 mm
150 mm
shorting
3
5
7
9
non-shorting
4211-05
4211-10
4211-15
4211-20
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2/6
data sheet
selector switch
type 08
specifications
mechanical data
resolution:
switching torque (new condition):
rotational life:
fastening torque of nut:
12 positions max. (30° indexing)
3.0, 6.0 or 9.0 ncm (+/- 25%), additional wafers may increase switching torque
25'000 switching cycles min.
200 ncm max.
electrical data
function:
switching mode:
Load current:
switching voltage:
contact resistance (new condition):
insulation resistance (new condition):
switching capacity:
Dielectric withstanding voltage:
from 1 x 12 to 4 x 3 poles/positions per wafer
shorting or non-shorting
1.5 a max. (resistive load)
42 VDc max.
20 m Ω max.
10
13
Ω min. (contact to contact / housing)
1 pf max. (contact to contact)
500 VDc during 60 seconds
material data
shaft:
Bushing/housing:
contact plating:
insulation material:
soldering leads:
stainless steel
Zinc diecast, zinc plated and passivated
gold; 3 µm
wafer: pa6/6t, rotor: polyacetal (pom)
alloy copper, tin plated
environmental data
operating/storage temperature range:
ip sealing:
Vibration:
flammability:
-40 to +85°c
ip60 shaft/front panel sealing
10 g
rms
max. @ 10 to 2000 hz
UL94-hB
packaging quantity
tray:
10 pcs.
soldering conditions
hand soldering:
wave soldering:
340°c max. during 2 s max.
280°c max. peak temperature during 5 s max.
switching modes
for information about switching modes please see technical explanations at the end of the catalog
www.elma.com
3/6
data sheet
selector switch
type 08
drawings
switCh with 2 waFeRs
25
ø7
*L1
2,54 7,62
9
6,5
11
20
15
1,27
0
10
1
2
3,5
0,8
30,8
M2
5
5
A1 B1 A2 B2
PIN 1
Ø
2
0,4
0,75
3
=
COM 7,5
5,08** Pin 1
ax = common contact water of x
Bx = switching contact wafer of x
* L - 1 wafer
28 mm
2 wafers
38.16 mm
3 wafers
48.32 mm
4 wafers
58.48 mm
per additional wafer + 10.16 mm
** all further steps are in 5.08 mm pitch
switch with bcd coding
bcd coding
BcD coding
8 4 2 1
1
2
3
4
5
6
7
8
9
10
11
12
A=1
B =2
C=4
D=8
12 positions; the coding will
be made like the layout to the
left on the printed circuit. if the
switch will be composed of
component parts, the housings
a (3 x 4) and B (1 x 12) have
to be ordered. limiting to 10
(BCD) detent is done with a
stop screw m1.2 x 2.5.
10 x 2,54
ø8,5
8
22,7
12,8
ø4
9
=
2,54
31
ø 2,5
ø1
3
4
hollow shaft system
hollow shaft
www.elma.com
5
6
7
on
off
available for switches up to 4 wafers;
inner shaft (Ø 2 mm) to be ordered separately.
inner shaft
must be ordered separately for switches with hollow
shaft.
switch with 2 drive shafts
Consisting of a hollow outer and inner shaft, the inner
shaft driving a maximum of 3 wafers with 4 wipers each.
please indicate type of each switch.
4/6
data sheet
selector switch
type 08
type key
08
–
_
_
_
_
–
_
_
_
_
_
standard type key
(see page 104)
factory set end stop
00
11
10
09
08
07
06
05
04
03
02
standard
11 pos.
10 pos.
09 pos.
08 pos.
07 pos.
06 pos.
05 pos.
04 pos.
03 pos.
02 pos.
number of wafers
(max. 8)
> 8 on request
number of poles
number of poles per wafer
shaft length (al)
000
1
xxx
30.8 mm
custom
(e.g. 18.5 mm = 185)
factory set character
Defined by elma
(see page 104, is composed of switching
mode, poles and positions))
customized shaft length
shaft length (aL) description measured from
mounting face (see picture below).
1
switching mode
3
4
shorting
non-shorting
torque
-
m
n
6.0 ncm
3.0 ncm
9.0 ncm
www.elma.com
5/6
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