Rotary Switches
47 www.elma.com
Very robust and versatile
24 positions multi wafer selector switch
25,000 switching cycles with up to 20 Ncm
switching torque
Gold plated contacts: 3 micron
Optional IP68 front panel sealing
Operating temperature range: -40 to +85°C
Various options and customization
Selector Switch Type 04
Standard Product Variety
Soldering eyelets or pins for PCB
From 1 x 24 to 6 x 3 poles/positions per wafer
Up to 8 wafers
15 or 30° indexing angle
Shorting or non-shorting
1.5, 8.0, 15 or 20 Ncm switching torque
IP60 or IP68 front panel sealing
Configurable end stops
Shaft diameter: 6 mm or ¼"
Possible Customization
Shaft dimensions and shape
Bushing dimensions
Switching torque
Hollow shaft, inner shaft
Others
Typical Applications
Industrial controls
Avionics, instrumentation, test systems
Medical and audio equipment
Examples of Customization
Examples of Customization
High-end audio solution with gold plated housing and PCB
Momentary function to left and right side with center rest
Dual concentric switch arrangement with two 04s
Rotary Switches
48
www.elma.com
Preference Types Selection Chart1
Indexing Angle 15°, Shorting
Contact Arrangement Construction Poles x Positions With Solder Eyelets With Pins for PCB
1 x 24, endless rotating 04-1103 04-1103-20
2 x 24, endless rotating 04-2103 –
3 x 24, endless rotating 04-3103 –
4 x 24, endless rotating 04-4103 –
1 x 24 04-1133 04-1133-20
2 x 24 04-2133 –
3 x 24 04-3133 –
4 x 24 04-4133 –
2 x 11 04-1213 04-1213-20
4 x 11 04-2213 –
6 x 11 04-3213 –
8 x 11 04-4213 –
3 x 7 04-1373 04-1373-20
6 x 7 04-2373 –
9 x 7 04-3373 –
12 x 7 04-4373 –
4 x 5 04-1453 04-1453-20
8 x 5 04-2453 –
12 x 5 04-3453 –
16 x 5 04-4453 –
6 x 3 04-1633 04-1633-20
12 x 3 04-2633 –
18 x 3 04-3633 –
24 x 3 04-4633 –
Indexing Angle 30°, Non-Shorting
Contact Arrangement Construction Poles x Positions With Solder Eyelets With Pins for PCB
1 x 12, endless rotating 04-1104 04-1104-20
2 x 12, endless rotating 04-2104 –
3 x 12, endless rotating 04-3104 –
4 x 12, endless rotating 04-4104 –
1 x 12 04-1124 04-1124-20
2 x 12 04-2124 –
3 x 12 04-3124 –
4 x 12 04-4124 –
2 x 6 04-1264 04-1264-20
4 x 6 04-2264 –
6 x 6 04-3264 –
8 x 6 04-4264 –
3 x 4 04-1344 04-1344-20
6 x 4 04-2344 –
9 x 4 04-3344 –
12 x 4 04-4344 –
4 x 3 04-1434 04-1434-20
8 x 3 04-2434 –
12 x 3 04-3434 –
16 x 3 04-4434 –
6 x 2 04-1624 04-1624-20
12 x 2 04-2624 –
18 x 2 04-3624 –
24 x 2 04-4624 –
Stop Screws and Bushing Nut
Configurable stop screws can be set on any position
between 2 and the maximum. Stop screws have to be
ordered separately.
Packaging Unit Order Number
Stop screw M1.4 10 pcs. 4124-21
Stop screw M1.4 100 pcs. 4124-20
Bushing nut 10 pcs. 4124-41
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Selector Switch Type 04
1 For other types/options, see type key.
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Rotary Switches
49 www.elma.com
Specifications
Mechanical Data
Resolution: ........................................................................24 positions max. (15° indexing); shorting
12 positions max. (30° indexing); non-shorting
Switching torque (new condition):........................................1.5, 8.0, 15 or 20 Ncm (+/- 25%), additional wafers may increase switching torque
Rotational life: ...................................................................25,000 switching cycles min.
Fastening torque of nut: .....................................................300 Ncm max.
Electrical Data
Function: ...........................................................................From 1 x 24 to 6 x 3 poles/positions per wafer
(max. 8 wafers; >8 wafers are available on request)
Switching mode: ................................................................Shorting (for 15° indexing)
Non-shorting (for 30° indexing)
Load current: .....................................................................2 A max. (resistive load)
Switching voltage: ..............................................................42 VDC max.
Contact resistance (new condition): .....................................10 mOhms max.
Insulation resistance: ..........................................................1012 Ohms min. (contact to contact/housing)
Switching capacitance: .......................................................1 pF max. (contact to contact)
Dielectric withstanding voltage: ...........................................500 VDC during 60 seconds
Material Data
Shaft: ................................................................................Stainless steel
Bushing/housing: ...............................................................Zinc diecast, zinc plated and passivated
Nut: ..................................................................................Brass, zinc plated and passivated
Contact plating: .................................................................AuCo (hard gold); 3 µm
Insulation material: ............................................................Wafer: HF ceramic, rotor: Polybutylene (PBTB)
Soldering leads: .................................................................Alloy copper, AuCo plated (hard gold)
Environmental Data
Operating/storage temperature range: ...............................-40 to +85°C
IP sealing: .........................................................................IP60, optional IP68 (2 bar, 1 hour) shaft/front panel sealing
Vibration: ..........................................................................10 Grms max. @ 10 to 2000 Hz
Flammability:.....................................................................UL94-HB
Packaging Sizes
Tray: .................................................................................10 pcs.
Soldering Conditions
Hand soldering: .................................................................340°C max. during 2 s max.
Wave soldering: .................................................................280°C max. peak temperature during 5 s max.
Switching Modes
Non-Shorting
(break before make)
Shorting
(make before break)
Contact bridge Contact bridge Contact bridge
Contact 1 Contact 2 Contact 1 Contact 2 Contact 1 Contact 2
Contact bridge Contact bridge Contact bridge
Contact 1 Contact 2 Contact 1 Contact 2 Contact 1 Contact 2
Selector Switch Type 04
Rotary Switches
50
www.elma.com
24,1
14,3
Verdreh-
schutz
°
2
,
5
°
1
5
°
3
0
°
°
4
5
°
1
2
,
5
°
1819 20
21
22
23
11
1098765432
1
13
15
17
16
14
12
A
24
1x24 Ansicht des Bohr-
planes von der
Schalterachse her
3C
2F
3F
2C
1F
1C
3E
2E
1E
3B 2B1B
3A
3D
2A
2D
1A
1D
A
B
C
D E
F
3
0
°
6
x
6
0
°
1
5
°
6x3
3B
7C
2B
6C
1B
5C
4C
7A
3C
6A
2C
5A
1C
4A
3A
7B
2A
6B
1A
5B
3
0
°
3
x
1
2
0
°
1
5
°
3x7
1
5
°
11A
11B
10A
10B
9A
9B
8A
8B
7A
7B
6A
6B
5A
5B
4A
4B
3A
3B
2A
2B
1A
1B
B
A
2x11
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21
22
23
11
1098765432
1
13
15
17
16
14
12
A
1x23
5B
5D
4B
4D
3B
3D
2B
2D
1B
1D
5A
5C
4A
4C
3A
3C
2A
2C
1A
1C
B
CD
A
3
0
°
4
x
9
0
°
1
5
°
4x5
1
BC
4B
A
24,1
14,3
Verdreh-
schutz
°
2
,
5
°
1
5
°
3
0
°
°
4
5
°
1
2
,
5
°
1819 20
21
22
23
11
1098765432
1
13
15
17
16
14
12
A
24
1x24 Ansicht des Bohr-
planes von der
Schalterachse her
3C
2F
3F
2C
1F
1C
3E
2E
1E
3B 2B1B
3A
3D
2A
2D
1A
1D
A
B
C
D E
F
3
0
°
6
x
6
0
°
1
5
°
6x3
3B
7C
2B
6C
1B
5C
4C
7A
3C
6A
2C
5A
1C
4A
3A
7B
2A
6B
1A
5B
3
0
°
3
x
1
2
0
°
1
5
°
3x7
1
5
°
11A
11B
10A
10B
9A
9B
8A
8B
7A
7B
6A
6B
5A
5B
4A
4B
3A
3B
2A
2B
1A
1B
B
A
2x11
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23
11
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13
15
17
16
14
12
A
1x23
5B
5D
4B
4D
3B
3D
2B
2D
1B
1D
5A
5C
4A
4C
3A
3C
2A
2C
1A
1C
B
CD
A
3
0
°
4
x
9
0
°
1
5
°
4x5
1
BC
4B
A
24,1
14,3
Verdreh-
schutz
°
2
,
5
°
1
5
°
3
0
°
°
4
5
°
1
2
,
5
°
1819 20
21
22
23
11
1098765432
1
13
15
17
16
14
12
A
24
1x24 Ansicht des Bohr-
planes von der
Schalterachse her
3C
2F
3F
2C
1F
1C
3E
2E
1E
3B 2B1B
3A
3D
2A
2D
1A
1D
A
B
C
D E
F
3
0
°
6
x
6
0
°
1
5
°
6x3
3B
7C
2B
6C
1B
5C
4C
7A
3C
6A
2C
5A
1C
4A
3A
7B
2A
6B
1A
5B
3
0
°
3
x
1
2
0
°
1
5
°
3x7
1
5
°
11A
11B
10A
10B
9A
9B
8A
8B
7A
7B
6A
6B
5A
5B
4A
4B
3A
3B
2A
2B
1A
1B
B
A
2x11
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21
22
23
11
1098765432
1
13
15
17
16
14
12
A
1x23
5B
5D
4B
4D
3B
3D
2B
2D
1B
1D
5A
5C
4A
4C
3A
3C
2A
2C
1A
1C
B
CD
A
3
0
°
4
x
9
0
°
1
5
°
4x5
1
BC
4B
A
24,1
14,3
Verdreh-
schutz
°
2
,
5
°
1
5
°
3
0
°
°
4
5
°
1
2
,
5
°
1819 20
21
22
23
11
1098765432
1
13
15
17
16
14
12
A
24
1x24 Ansicht des Bohr-
planes von der
Schalterachse her
3C
2F
3F
2C
1F
1C
3E
2E
1E
3B 2B1B
3A
3D
2A
2D
1A
1D
A
B
C
D E
F
3
0
°
6
x
6
0
°
1
5
°
6x3
3B
7C
2B
6C
1B
5C
4C
7A
3C
6A
2C
5A
1C
4A
3A
7B
2A
6B
1A
5B
3
0
°
3
x
1
2
0
°
1
5
°
3x7
1
5
°
11A
11B
10A
10B
9A
9B
8A
8B
7A
7B
6A
6B
5A
5B
4A
4B
3A
3B
2A
2B
1A
1B
B
A
2x11
1819 20
21
22
23
11
1098765432
1
13
15
17
16
14
12
A
1x23
5B
5D
4B
4D
3B
3D
2B
2D
1B
1D
5A
5C
4A
4C
3A
3C
2A
2C
1A
1C
B
CD
A
3
0
°
4
x
9
0
°
1
5
°
4x5
1
BC
4B
A
24,1
14,3
Verdreh-
schutz
°
2
,
5
°
1
5
°
3
0
°
°
4
5
°
1
2
,
5
°
1819 20
21
22
23
11
1098765432
1
13
15
17
16
14
12
A
24
1x24 Ansicht des Bohr-
planes von der
Schalterachse her
3C
2F
3F
2C
1F
1C
3E
2E
1E
3B 2B1B
3A
3D
2A
2D
1A
1D
A
B
C
D E
F
3
0
°
6
x
6
0
°
1
5
°
6x3
3B
7C
2B
6C
1B
5C
4C
7A
3C
6A
2C
5A
1C
4A
3A
7B
2A
6B
1A
5B
3
0
°
3
x
1
2
0
°
1
5
°
3x7
1
5
°
11A
11B
10A
10B
9A
9B
8A
8B
7A
7B
6A
6B
5A
5B
4A
4B
3A
3B
2A
2B
1A
1B
B
A
2x11
1819 20
21
22
23
11
1098765432
1
13
15
17
16
14
12
A
1x23
5B
5D
4B
4D
3B
3D
2B
2D
1B
1D
5A
5C
4A
4C
3A
3C
2A
2C
1A
1C
B
CD
A
3
0
°
4
x
9
0
°
1
5
°
4x5
1
BC
4B
A
With Solder Eyelets
Drawings
5,3
44,8
2,5
2,7
17,519,31,5
1
9,5
AL = 25
ø6
M10 x 0,75
2,5
SW14
SW = Schlüsselweite
10,2
7,5
2,7
Front panel cut out
24,5 3,5
With Pins for PCB Mounting
Drilling diagram 30° for indexing angleDrilling diagram 15° for indexing angle
1
2,5
25
32
26
ø1,6
SW = key spanner
Locating
lug View from the
shaft end
Selector Switch Type 04
*17.5 mm extra per wafer
Examples
Switch with Momentary Contact
Dimensions
Detent position
Momentary contact
Rotary Switches
51 www.elma.com
Hollow Shaft System
Hollow Shaft
Available for switches up to 5 wafers; inner shaft (Ø 3 mm) to be ordered
separately.
Inner Shaft
For switches with mounting plate or hollow shaft, inner shafts must be ordered
separately. Please state exact length.
Switches with 2 Drive Shafts
Consisting of a hollow outer plus and inner shaft. The inner shaft driving a
maximum of 3 wafers with 6 wipers each. Please give type description of each
switch.
Spacers can be used in many cases in place of shortened bushes; made of
glass-fibre reinforced plastic to compensate the front panel thickness; available
in two standard lengths.
Length L Packaging Unit Order Number
3.5 mm 10 pcs. 4124-31
3.5 mm 100 pcs. 4124-30
5.5 mm 10 pcs. 4124-36
5.5 mm 100 pcs. 4124-35
Spacers
Selector Switch Type 04
Rotary Switches
52
www.elma.com
Selector Switch Type 04
Type Key
0 4 - XXXX - XXXXXXXX
Number of Wafers
Number of Poles per Wafer
Factory set character
Switching Mode
3 - Shorting
4 - Non-shorting
Wafer Type
– - HF ceramic
P - PCB
Torque
– - 15 Ncm
M - 8.0 Ncm
N - 20.0 Ncm
R - 1.5 Ncm
Shaft Diameter
0 - 6 mm
Z - ¼"
Factory Set End Stop
00 - Standard
23 - 23 pos.
22 - 22 pos.
21 - 21 pos.
20 - 20 pos.
19 - 19 pos.
18 - 18 pos.
17 - 17 pos.
16 - 16 pos.
15 - 15 pos.
14 - 14 pos.
13 - 13 pos.
12 - 12 pos.
11 - 11 pos.
10 - 10 pos.
09 - 9 pos.
08 - 8 pos.
07 - 7 pos.
06 - 6 pos.
05 - 5 pos.
04 - 4 pos.
03 - 3 pos.
02 - 2 pos.
Shaft Length (AL)
000 - 25 mm
xxx - Custom1
(e.g. 18.5 mm = 185)
Pin Style, IP Sealing
00 - Eyelets
20 - Pins for PCB
30 - Eyelets, IP68
70 - Pins for PCB, IP68
1 Customized Shaft Length
Please state shaft length (AL) measured from mounting face
(max. AL = 50 mm).