Carling
Technologies
™
3S-Series Sub-Miniature Pushbutton Switches
3S1-Series
Sub-Miniature
Pushbutton Switch
Specifications
Contact Rating . . . . . . . . . refer to ordering scheme
Electrical Life . . . . . . . . . . 50,000 make & break cycles @ full
load
Contact Resistance. . . . . . 20 mΩ max. initial @ 2-4 VDC
100mA for both silver & gold plated
contacts.
Insulation Resistance . . . 1000 MΩ min.
Dielectric Strength . . . . . . 1500 Volts RMS @ sea level
Operating Temperature . . . -30°C to +85°C
Index of Protection . . . . . .
3SS & 3SM-Series:
IP67
Solder Heat Resistance. . . MIL-STD-202, Method 210
Actuator Travel . . . . . . . . . 25°
3SS-Series
Sealed
Sub-Miniature
Pushbutton Switch
Materials
Case . . . . . . . . . . . . . . . . UL 94-0
3S1-Series:
Dially phthalate (DAP)
3SS-Series:
Glass filled nylon 6/6,
flame retardant, heat stabilized
3SM-Series:
Glass filled nylon 4/6,
flame retardant, heat stabilized
Plunger. . . . . . . . . . . . . . .3S1-Series: Thermoplastic poly-
ester, black
3SS -Series:
Thermoplastic poly-
ester (UL 94V-0), with internal o-ring
seal
3SM-Series:
Glass filled nylon 4/6,
flame retardant, heat stabilized
Bushing . . . . . . . . . . . . . .3S1-Series: Brass, nickel plated
3SS-Series:
Glass filled nylon 6/6,
flame retardant, heat stabilized (UL
94V-0)
3SM-Series:
Glass filled nylon 4/6,
flame retardant, heat stabilized (UL
94V-0)
Housing. . . . . . . . . . . . . . .Stainless Steel
Switch Support . . . . . . . . . Brass, tin plated
Terminal Seal . . . . . . . . . . Epoxy
3SM-Series
Sealed Surface
Mount
Sub-Miniature
Pushbutton Switch
3S1-Series Ordering Scheme
3S1
-
SP 9
-
B6
-
M7
-
R E
1
Series
2
Poles
3
Circuit
4
Bushing
5
Termination
6
Contact
7
Seal
1 SERIES
3S1
Sub-Miniature Pushbutton Switch
2 POLES
SP
single pole
3 CIRCUIT
( ) - momentary
5 TERMINATION
M1
Solder Lug
M2
PCB
M6
PC Mount, 90° horizontal
M61
Snap-In, 90° horizontal
M7
PC Mount, 90° vertical
M71
Snap-In, 90° vertical
VS2
PC Mount, U bracket, .620 mounting x .460 high
VS21
Snap-In, U bracket
6 CONTACT
Material
G
silver
1
K
gold
2
P
silver
1
Q
silver
1
R
gold
2
8
9
ON
OFF
(ON)
(ON)
4 BUSHING
B5
B6
B7
B8
B9
B0
10-48 Threaded
Unthreaded “D”
Unthreaded
1/4-40 Threaded “D”
Flush Bushing
1/4” Unthreaded “D”
Terminal Plating
gold over silver
3
tin-lead
4
tin-lead
4
silver
1
gold
2
Rating
1A@125VAC or 28VDC
0.4VA max. @20V max (AC/DC)
1A@125VAC or 28VDC
1A@125VAC or 28VDC
0.4VA max. @20V max (AC/DC)
NOTE:
Tin-lead option available with PC type terminations only.
1
Moveable contact & terminals: copper alloy, silver plate
2
Moveable contact & terminals: copper alloy with gold plate over nickel plate
3
Terminals: silver plated with outer layer in gold plating
4
Outer terminals: copper alloy with tin-lead over nickel plate
7 EPOXY SEAL
E
epoxy seal
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27
Carling
Technologies
™
3S-Series Sub-Miniature Pushbutton Switches
3SS-Series Ordering Scheme
3SS
-
WSP 9
-
M6
-
R E
1
Series
2
Poles
3
Circuit
4
Termination
5
Contact
6
Seal
1 SERIES
3SS
Sealed Sub-Miniature Pushbutton Switch
2 POLES
WSP
single pole
WDP
double pole
3 CIRCUIT
( ) - momentary
5 CONTACT
Material
G
silver
1
K
gold
2
P
silver
1
R
gold
2
Terminal Plating
gold over silver
3
tin-lead
4
tin-lead
4
gold
2
Rating
1A@125VAC or 28VDC
0.4VA max. @20V max (AC/DC)
1A@125VAC or 28VDC
0.4VA max. @20V max (AC/DC)
IP67
IP67
IP67
IP67
8
9
ON
OFF
(ON)
(ON)
NOTE:
Tin-lead option available with PC type terminations only.
1
Moveable contact & terminals: copper alloy, silver plate
2
Moveable contact & terminals: copper alloy with gold plate over nickel plate
3
Terminals: silver plate with outer layer in gold plating
4
Outer terminals: copper alloy with tin-lead over nickel plate
4 TERMINATION
M2
PCB
M6
PC Mount, 90° horizontal
M61
Snap-In, 90° horizontal
M7
PC Mount, 90° vertical
M71
Snap-In, 90° vertical
VS2
PC Mount, U bracket
VS21
Snap-In, U bracket
6 EPOXY SEAL
E
epoxy seal
3SM-Series Ordering Scheme
3SM
-
SP 9
-
M6
-
R E
1
Series
2
Poles
3
Circuit
4
Termination
5
Contact
6
Seal
7
Packaging
1 SERIES
3SM
Sealed Surface Mount Pushbutton Switch
2 POLES
SP
single pole
DP
double pole
3 CIRCUIT
( ) - momentary
5 CONTACT
Material
G
silver
1
K
gold
2
P
silver
1
R
gold
2
Terminal Plating
gold over silver
3
tin-lead plated
4
tin-lead plated
4
gold plated
2
Rating
1A@125VAC or 28VDC
0.4VA max. @20V max (AC/DC)
1A@125VAC or 28VDC
0.4VA max. @20V max (AC/DC)
IP67
IP67
IP67
IP67
8
9
ON
OFF
(ON)
(ON)
NOTE:
Tin-lead option available with PC type terminations only.
1
Moveable contact & terminals: copper alloy, silver plate
2
Moveable contact & terminals: copper alloy with gold plate over nickel plate
3
Terminals: silver plate with outer layer in gold plating
4
Outer terminals: copper alloy with tin-lead over nickel plate
4 TERMINATION
M6
Surface Mount, 90° flat
M7
Surface Mount, 90° vertical
S6
Surface Mount, 90° horizontal
6 EPOXY SEAL
E
epoxy seal
7 PACKAGING
Switches are bulk packed, unless
T/R
is specified at the end of the part
number.
T/R
tape reel - 500 pieces per reel
3S-Series Optional Cap
To order accessories assembled on a switch, specify the switch number followed by the accessory part number and the word “assembled”.
Ex: 3S1-SP9-B6-M7-RE-C23ASSEMBLED
To order accessories in bulk, specify the Series, followed by the accessory. Ex.) 3S1-C13
3S1
-
C1 3
1
Series
2
Cap Size
3
Color
1 SERIES OR SWITCH CATALOG NUMBER
3S1, 3SS
or
3SM
2 CAP SIZE
C1
10.6mm
C2
7.6mm
1
3 CAP COLOR
1
1
2
3
4
white
black
red
orange
5
6
7
yellow
green
blue
Black, white & red standard. Other colors available. Consult factory.
28
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Carling
Technologies
™
3S-Series Sub-Miniature Pushbutton Switches
3S1-Series Dimensional Specifications: in. [mm]
ACTUATOR
OP1
.095
[2.40]
.138
[3.50]
.630
[16.00]
PANEL MOUNTING
.500
[12.70]
.047 TO .125
[1.19]
[3.18]
PANEL THICKNESS
.347
[8.80]
.776
[19.70]
.472
[12.00]
.600
[15.24]
.005 R
[0.13 R]
MAX TYP.
CAP
C1
.189
[4.80]
.158
[4.00]
C2
.287
[7.30]
.138
[3.50]
.083
[2.10]
.197
[5.00]
.091
[2.30]
.291
[7.40]
BUSHING
B5
.173
[4.40]
.189 DIA
[Ø 4.80]
.098 DIA
[Ø 2.50]
10-48 UNS
B6
.173
[4.40]
.189 DIA
[Ø 4.80]
.098 DIA
[Ø 2.50]
B7
.189 DIA
[Ø 4.80]
.098 DIA
[Ø 2.50]
.020
[0.50]
.236
[6.00]
.020
[0.50]
.236
[6.00]
.020
[0.50]
.236
[6.00]
B8
.224
[5.70]
.244 DIA
[Ø 6.20]
B9
B0
.224 DIA
[Ø 5.70]
.197 DIA
[Ø 5.00]
.098 DIA
[Ø 2.50]
.244 DIA
[Ø 6.20]
.122 DIA
[Ø 3.10]
.122 DIA
[Ø 3.10]
1/4-40NS
.309
[7.85]
.020
[0.50]
.020
[0.50]
.309
[7.85]
.020
[0.50]
TERMINATION
SP8
SINGLE POLE DOUBLE THROW
.236 DIA
[Ø 6.00]
FLAT
.150
[3.80]
.236
[6.00]
.020
[0.50]
.100
[2.54]
3.19
[8.10]
.173
[4.40]
.098
[2.50]
.130
[3.30]
.030
[0.76]
.173
[4.40]
.098
[2.50]
.118
[3.00]
.200
[5.08]
.061
[1.55]
.201
[5.10]
FLAT
SP9
SINGLE POLE SINGLE THROW
.236 DIA
[Ø 6.00]
.146
[3.70]
.236
[6.00]
.020
[0.50]
.201
[5.10]
3.19
[8.10]
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29
Carling
Technologies
™
3S-Series Sub-Miniature Pushbutton Switches
3S1-Series Dimensional Specifications: in. [mm]
TERMINATION
M1
.039
[1.00]
.059
[1.50]
.118
[3.00]
M2
.039
[1.00]
.130
[3.30]
VS2
SINGLE POLE DOUBLE THROW
.189
[4.80]
.020
[0.50]
.236
[6.00]
.130
.350 [3.30]
[8.90]
.016
[0.40]
.100
[2.54]
.098
[2.50]
.142
[3.60]
.173
[4.40]
PC MOUNTING
.158
[4.00]
.100
[2.54]
.400
[10.16]
.043 DIA
[Ø 1.09]
.028
[0.70]
.061
.020
[1.55
X
0.50]
THK
.030
X
.020
THK
[0.76
0.50]
.030
[0.76]
.200
[5.08]
.020
[0.50]
.400
[10.16]
VS2
.189
[4.80]
.020
[0.50]
SINGLE POLE, SINGLE THROW
.098
[2.50]
.236
[6.00]
.130
.350 [3.30]
[8.90]
.016
[0.40]
.200
[5.08]
.020
[0.50]
.400
[10.16]
.130
[3.30]
.173
[4.40]
PC MOUNTING
.200
[5.08]
.400
[10.16]
.043 DIA
[Ø 1.09]
.030
[0.76]
.200
[5.08]
M6
.173
[4.40]
FLAT
.236 DIA
[Ø 6.00]
.035
[0.90]
SINGLE POLE, SINGLE THROW
.236
[6.00]
.130
[3.30]
.333
[8.45]
.201
[5.10]
.098
[2.50]
.016
[0.40]
.034
[0.85]
.020
[0.50]
.319
[8.10]
PC MOUNTING
.200
[5.08]
.200
[5.08]
.200
[5.08]
.043 DIA
[Ø 1.09]
.200
[5.08]
.200
[5.08]
SINGLE POLE, DOUBLE THROW
.236
[6.00]
.173
[4.40]
FLAT
.236 DIA
[Ø 6.00]
.200
[5.08]
.035
[0.90]
.142
[3.60]
.333
[8.45]
.201
[5.10]
.098
[2.50]
.016
[0.40]
.200
[5.08]
.034
[0.85]
.020
[0.50]
.319
[8.10]
PC MOUNTING
.200
[5.08]
.200
[5.08]
.043 DIA
[Ø 1.09]
.100
[2.54]
.100
[2.54]
M7
.130
[3.30]
SINGLE POLE, SINGLE THROW
.236
[6.00]
.319
[8.10]
.201
[5.10]
PC MOUNTING
.173
[4.40]
.236 DIA
[Ø 6.00]
.098
[2.50]
.016
[0.40]
.020
[0.50]
.200
[5.08]
.030
[0.76]
.043 DIA
[Ø 1.09]
.030
[0.76]
.200
[5.08]
.200
[5.08]
SINGLE POLE, DOUBLE THROW
.142
[3.60]
.173
[4.40]
.236
[6.00]
.319
[8.10]
.098
[2.50]
.016
[0.40]
.201
[5.10]
PC MOUNTING
.100
[2.54]
.236 DIA
[Ø 6.00]
.020
[0.50]
.030
[0.76]
.030
[0.76]
.200
[5.08]
.043 DIA
[Ø 1.09]
.200
[5.08]
.100
[2.54]
30
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Carling
Technologies
™
3S-Series Sub-Miniature Pushbutton Switches
3SS-Series Dimensional Specifications: in. [mm]
SNAP-IN TERMINATION
M61
M71
VS21
M61,M71,VS21 have the same P.C. mounting but with snap-in bracket.
TERMINATION
SINGLE POLE, SINGLE THROW
.177 DIA
[Ø 4.50]
.217
[5.50]
.528
[13.40]
EPOXY SEAL
.020
[0.50]
.200
[5.08]
.100 DIA
[Ø 2.54]
.177
[4.50]
.114
[2.90]
.319
[8.10]
.030
[0.76]
.100 DIA
[Ø 2.54]
.177
[4.50]
.114
[2.90]
.201
[5.10]
.177 DIA
[Ø 4.50]
.228
[5.80]
SINGLE POLE, DOUBLE THROW
.528
[13.40]
EPOXY SEAL
.020
[0.50]
.100
[2.54]
.319
[8.10]
.030
[0.76]
.201
[5.10]
DOUBLE POLE, SINGLE THROW
.177 DIA
[Ø 4.50]
.217
[5.50]
.532
[13.50]
EPOXY SEAL
.020
[0.50]
.200
[5.08]
.100 DIA
[Ø 2.54]
.177
[4.50]
.120
[3.05]
.327
[8.30]
.030
[0.76]
.200
[5.08]
.362
[9.20]
M6
.100 DIA
[Ø 2.54]
.177 DIA
[Ø 4.50]
SINGLE POLE, SINGLE THROW
.217
[5.50]
EPOXY SEAL
.201
[5.10]
.319
[8.10]
PC MOUNTING
.200
[5.08]
.200
[5.08]
.043 DIA
[Ø 1.09]
.200
[5.08]
.200
[5.08]
.032
[0.80]
.016
[0.40]
.159
[4.05]
.034
[0.85]
.200
[5.08]
.020
[0.50]
.100 DIA
[Ø 2.54]
.177 DIA
[Ø 4.50]
SINGLE POLE, DOUBLE THROW
.228
[5.80]
.528
[13.40]
EPOXY SEAL
.201
[5.10]
.319
[8.10]
PC MOUNTING
.100
[2.54]
.200
[5.08]
.100
[2.54]
.200
[5.08]
.043 DIA
[Ø 1.09]
.200
[5.08]
.032
[0.80]
.016
[0.40]
.159
[4.05]
.034
[0.85]
.200
[5.08]
.020
[0.50]
DOUBLE POLE, SINGLE THROW
.100 DIA
[Ø 2.54]
.177 DIA
[Ø 4.50]
.327
[8.30]
PC MOUNTING
.217
[5.50]
EPOXY SEAL
.362
[9.20]
.016
[0.40]
.200
[5.08]
.100
[2.54]
.030
[0.76]
.200
[5.08]
.158
[4.00]
.200
[5.08]
.034
[0.85]
.100
[2.54]
.020
[0.50]
.200
[5.08]
.200
[5.08]
.043 DIA
[Ø 1.09]
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31
