3S-Series
Miniature Pushbutton Switches
PROD UC T WE BP A GE
request sample, configure part
The 3S family of sub-miniature pushbutton switches is
composed of three switch series; the 3S1-Series subminiature pushbutton switch, the 3SS-Series sealed
sub-miniature pushbutton switch, and the 3SM-Series
surface mount sealed sub-miniature pushbutton
switch. All switches are available with a variety of rating,
termination and actuator choices, and will withstand
temperatures from -30°C to +85°C.
1-2
Poles
.4-6 125, 250
Amps
Typical Applications
∙ Instrumentation
∙ Telecommunications
www.carlingtech.com
∙ Networking
∙ Performance Audio
860.793.9281
sales@carlingtech.com
VAC
∙ Computers
28
VDC
∙ Low Power On/Off Designs
Tech Specs
3S1-Series
3SS-Series
3SM-Series
Sealed Surface Mount
Sub-Miniature
Pushbutton Switch
Sub-Miniature
Pushbutton Switch
Sealed
Sub-Miniature
Pushbutton Switch
Electrical
Material
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
Physical
Operating Temperature
-30°C to +85°C
Index of Protection
3SS & 3SM-Series: IP67
Solder Heat Resistance
MIL-STD-202, Method 210
Case
all UL94 V-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
polyester, black
3SS-Series: Thermoplastic polyester
(UL 94V-0), with internal o-ring
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
Ordering Scheme
3SS - WSP 9 - M6 R E
Sample
Part Number
1
Selection
1. SERIES
3SS
2
Sealed Sub-Miniature Pushbutton Switch
2. POLES
WSP
WDP
Single pole - uses terminals 1, 2 & 3
Double pole - uses terminals 1, 2, 3, 4, 5 & 6
3. CIRCUIT
( ) - momentary
Switching Position:
8
9
3
4
Note: Plunger at rest in Position 1. Plunger depressed in Position 2.
4. ACTUATOR STYLE
Contact Material
G silver 1
K gold 2
P silver 1
R gold 2
8. EPOXY SEAL
Epoxy Seal
Terminal Plating Rating
Approvals
gold over silver 1A 125VAC or 28VDC
IP67
tin 3,4
0.4VA max 20V max (AC/DC) IP67
tin 3,4
1A 125VAC or 28VDC
IP67
gold 2
0.4VA max 20V max (AC/DC) IP67
0
without Epoxy Seal
Notes:
1
Movable contact & terminal platings: silver over copper alloy
2 Movable contact & terminal platings: gold over nickel over copper alloy
3 Terminal platings: tin over nickel over copper alloy
4 Tin option available with PC terminations only.
4
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
2.
6
5. CONTACTS / TERMINALS
E
1
2
2-3, 5-6
2-1, 5-4
ON (ON)
OFF (ON)
5
*Manufacturer reserves the right to change product specification without prior notice.
Configure Complete Part Number >
Browse Standard Parts >
Ordering Schemes
3S1 - SP 9 - B6 - M7 - R E
Sample
Part Number
1
Selection
1. SERIES
3S1
2
3
4
6. CONTACTS / TERMINALS
3. CIRCUIT
Contact Material
G silver 3
K gold 4,7
P silver 3,8
Q silver 3
R gold 4
1
2
2-3, 5-6
2-1, 5-4
ON (ON)
OFF (ON)
Note: Plunger at rest in Position 1. Plunger depressed in Position 2.
10-48 Threaded
Unthreaded “D”
Unthreaded
1/4-40 Threaded “D”
E
B9
B0
0P1
P0
Configure Complete Part Number >
Sample
Part Number
Selection
Flush Bushing
1/4” Unthreaded “D”
Snap-In with bezel
Flush Plunger
Browse Standard Parts >
1
2
3
5
6
7
5. CONTACTS/TERMINALS
Contact Material Terminal Plating Rating
Approvals
gold over silver 1A 125VAC or 28VDC
IP67
G
silver 1
K
gold 2,5 tin 4
0.4VA max 20V max (AC/DC)
IP67
P
silver 1,6 tin 4
1A 125VAC or 28VDC
IP67
1
1
Q
silver
silver
1A 125VAC or 28VDC
IP67
R
gold 2
gold 3
0.4VA max 20V max (AC/DC)
IP67
Sealed Snap-Action Miniature Pushbutton Switch
Single pole - uses terminals 1, 2 & 3
6. EPOXY SEAL
3. CIRCUIT
E
( ) - momentary
Switching Position: 1
2
2-3, 5-6 2-1, 5-4
7
ON (ON)
0
Epoxy Seal
without Epoxy Seal
7. PACKAGING
T/R
Note: Plunger at rest in Position 1. Plunger depressed in Position 2.
tape reel - 500 pieces per reel
Switches are bulk packed, unless T/R is specified at the end of the part number.
4. TERMINATION
K6
M6
M7
S6
without Epoxy Seal
Notes:
1
Hardware includes (2) 2M1-HDW21 nuts, and (1) 2M1-HDW22 washer
2 Hardware includes (2) 2M1-HDW2 nuts, (1) 2M1-HDW11 washer,
and (1) 2M1-HDW16 locking ring
3 Movable contact and terminal platings: silver over copper alloy
4 Movable contact and terminal platings: gold over nickel over copper alloy
5 Terminal platings: gold over nickel over copper alloy
6 Terminal platings: tin over copper alloy
7 Terminal contact platings: Gold over nickel alloy
8 Terminal contact platings: silver over nickel alloy
4
2. POLES
SP
0
Epoxy Seal
3S1 - SP 9 - B6 - M7 - R E
1. SERIES
3MS
Terminal Plating Rating
gold over silver 1A@125VAC or 28VDC
tin 6
0.4VA max @ 20V max (AC/DC)
tin 6
1A@125VAC or 28VDC
3
silver
1A@125VAC or 28VDC
5
gold
0.4VA max @ 20V max (AC/DC)
7. EPOXY SEAL
4. ACTUATOR STYLE
B5 1
B6
B7
B8 2
7
M6 PC Mount, 90° horizontal
VS2 PC Mount, U bracket
M61 Snap-In, 90° horizontal
VS21 Snap-In, U bracket
M1 Solder Lug
M7 PC Mount, 90° vertical
M2 PCB M71
Snap-In, 90° vertical
Single pole - uses terminals 1, 2 & 3
( ) - momentary
Switching Position:
8
9
6
5. TERMINATION
Sub-Miniature Pushbutton Switch
2. POLES
SP
5
Notes:
1
Movable contact and terminals platings: silver over copper alloy
2 Movable contact platings: gold over nickel over copper alloy
3 Terminal platings: gold over nickel over copper alloy
4 Terminals platings: tin over copper alloy
5 Terminal contact platings: gold over nickel alloy
6 Terminal contact platings: silver over nickel alloy
Surface Mount, horizontal .433 [11.00 mm]
Surface Mount, 90° flat .286 [7.26 mm]
Surface Mount, 90° right angle
Surface Mount, 90° horizontal .353 [8.97 mm]
Configure Complete Part Number >
Browse Standard Parts >
3S-Series Accessories
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-C23 ASSEMBLED. To order accessories in bulk, specify the Series, followed by the accessory. Ex: 3S1-C13.
Optional Cap
1. SERIES
3S1
Selection
3S1 - C1 3
C1 .158” [4.01 mm] height
1
2
3
3. CAP COLOR
Fits 3SS, 3S1 or 3MS
2. TOGGLE CAP SIZE
3.
Sample
Part Number
C2 .138” [35.05 mm] height
1 White
2 Black
3 Red
4 Orange
5
6
7
Yellow
Green
Blue
Dimensional Specs
inches [millimeters]
Single Pole
.244
[6.20]
.177
[4.50]DIA
.100
[2.54]DIA
.528
[13.40]
Double Pole
EPOXY SEAL
.201
[5.10]
.020
[0.50]
.177
[4.50]DIA
.319
[8.10]
.100
[2.54]
.177
[4.50]
.217
[5.50]
.177
[4.50]
.030
[0.76]
.102
[2.60]
.532
[13.50]
EPOXY SEAL
.362
[9.20]
.020
[0.50]
.327
[8.30]
.200
[5.08]
.030
[0.76]
.120
[3.05]
.200
[5.08]
* Double Thrown Shown. Single Throw uses two outer terminals only.
Termination Options
M6 Single Pole
.100
[2.54] DIA
.528
[13.40]
.244
[6.20]
.177
[4.50]DIA
EPOXY SEAL
.100
[2.54]
.201
[5.10]
.126
[3.20]
.032
[0.80]
P.C.MOUNTING
.319
[8.10]
.034
[0.85]
.016
[0.40]
.200
[5.08]
.020
[0.50]
.043
[1.09] DIA
.200
[5.08]
.100
[2.54]
.200
[5.08]
.200
[5.08]
* Double Thrown Shown. Single Throw uses two outer terminals only.
M6 Double Pole
.100
/ 2.54]DIA
[O
.217
[5.50]
.177
[4.50]DIA
.200
[5.08]
.034
[0.85]
.016
[0.40]
.158
[4.00]
.200
[5.08]
M7 Single Pole
.100
[2.54] DIA
.244
[6.20]
.177
[4.50]DIA
.200
[5.08]
.100
[2.54]
.020
[0.50]
.100
[2.54]
.201
[5.10]
.020
[0.50]
.172
[4.37]
P.C.MOUNTING
.319
[8.10]
.016
[0.40]
.200
[5.08]
.100
[2.54]
.200
[5.08]
.043
/ 1.09]
[O
.200
[5.08]
EPOXY SEAL
.185
[4.70]
.030
[0.76]
P.C.MOUNTING
.362
[9.20]
.205
[5.20]
.030
[0.76]
.327
[8.30]
EPOXY SEAL
.100
[2.54]
.043
[1.09]DIA
.200
[5.08]
.030
[0.76]
* Double Thrown Shown. Single Throw uses two outer terminals only.
M7 Double Pole
.217
[5.50]
.177
[4.50]DIA
.100
[2.54] DIA
.030
[0.76]
.020
[0.50]
.185
[4.70]
P.C.MOUNTING
.200
[5.08]
.327
[8.30]
.016
[0.40]
.189
[4.80]
.200
[5.08]
4.
.362
[9.20]
EPOXY SEAL
.200
[5.08]
.201
[5.10]
.030
[0.76]
.200
[5.08]
.043
/ 1.09] DIA
[O
.200
[5.08]
Dimensional Specs
inches [millimeters]
Termination Options
VS2 Single Pole
.177
[4.50]DIA
.244
[6.20]
.100
[2.54] DIA
P.C.MOUNTING
.161
[4.10]
.100
[2.54]
EPOXY SEAL
.366
[9.30]
.030
[0.76]
.130
[3.30]
.016
[0.40]
.100
[2.54]
.201
[5.10]
VS2 Double Pole
.043
[1.09]DIA
.020
[0.50]
.400
[10.16]
* Double Thrown Shown. Single Throw uses outer terminals only.
.100
[2.54] DIA
.177
[4.50]
P.C.MOUNTING
.217
[5.50]
.043
[1.09]DIA
.161
[4.10]
.366
[9.30]
.030
[0.76]
.130
[3.30]
.201
[5.10]
.016
[0.40]
.200
[5.08]
EPOXY SEAL
.039
[1.00]
.016
[0.40]
.039
[1.00]
* PC Mounting for M61, M71, VS21 refer to M6, M7, VS2 respectively.
5.
.400
[10.16]
.200
[5.08]
.400
[10.16]
M71
.016
[0.40]
.200
[5.08]
.020
[0.50]
Snap-In Termination Options
M61
.400
[10.16]
VS21
.030
[0.76]
.059
[1.50]
.016
[0.40]
.039
[1.00]
Dimensional Specs
inches [millimeters]
Single Pole
.236
[6.00]DIA
FLAT
.236
[6.00]
.154
[3.90]
.173
[4.40]
.201
[5.10]
.020
[0.50]
.098
[2.50]
3
.319
[8.10]
.100
[2.54]
2
1
.030
[0.76]
.130
[3.30]
* DoubleThrow shown.SingleThrow uses two outer terminalsonly.
Actuator Options for Snap-In Front Mount
OP1
PANEL MOUNTING
.614
[15.60]
R.005
[R0.13]
.150
[3.80]
.091
[2.30]
.370
[9.40]
PANEL THICKNESS
.125
.047
[1.19] TO [3.18]
.764
[19.40]
*
.600
[15.24]
.449
[11.40]
*Increase thisdimension to
.620/.625 [1 5.75/1 5.88] for
.091/.1 25[2.31 /3.1 8]thk.panels.
MAX. TYP.
.500
[12.70]
OP1 Without Frame
PANEL MOUNTING
.472
[12.00]
.240
[6.10]
.713
[18.10]
.370
[9.40]
PANEL THICKNESS
.047 TO .125
[3.18]
[1.19]
R.005
[R0.13]
*
.600
[15.24]
.476
[12.10]
*Increasethis dimensionto
.620/.625 [1 5.75/1 5.88]for
.091/.125 [2.31/3.1 8]thk. panels.
MAX. TYP.
.500
[12.70]
.476
[12.10]
Bushing Options
B5
.173
[4.40]
10-48UNS
.189
[4.80]DIA
B8
B6
.098
[2.50]DIA
.236
[6.00]
.020
[0.50]
.224
[5.70]
.122
[3.10] DIA
1/4-40UNS
.244
[6.20]DIA
.329
[8.35]
020
[0.50]
.173
[4.40]
.098
[2.50]DIA
.189
[4.80]DIA
B7
.098
[2.50]DIA
.189
[4.80]DIA
.236
[6.00]
.020
[0.50]
B9
.020
[0.50]
B0
.098
[2.50]DIA
.197
[5.00]DIA
.224
[5.70]
.122
[3.10] DIA
.244
[6.20]DIA
.020
[0.50]
.020
[0.50]
Termination Options
M1
.039
[1.00]
.059
[1.50]
.028
[0.70]
6.
.118
[3.00]
.158
[4.00]
.020
.061
[1.55] X [0.50] THK
M2
.039
[1.00]
.020
.030
[0.76] X [0.50]
THK
.236
[6.00]
.130
[3.30]
.329
[8.35]
Dimensional Specs
inches [millimeters]
Termination Options
M6 Single Pole
.142
[3.60]
.173
[4.40]
F L AT
.098
.126
[3.20] [2.50]
.236
[6.00]DIA
.035
[0.90]
.200
[5.08]
.142
[3.60]
.236
[6.00]DIA
.187
[4.75]
P.C.MOUNTING
.319
[8.10]
.200
.043
[1.09] DIA [5.08]
.201
[5.10]
.016
[0.40]
.034
[0.85]
.236
[6.00]
.200
[5.08]
.020
[0.50]
.200
[5.08]
M7 Single Pole
.173
[4.40]
.236 .333
[6.00] [8.45]
.100
[2.54]
.100
[2.54]
* Double Thrown Shown.
Single Throw uses two outer terminals only.
P.C.MOUNTING
.201
[5.10]
.020
[0.50]
.319
[8.10]
.098
[2.50]
.200
[5.08]
.016
[0.40]
.030
[0.76]
.043
[1.09] DIA
.100
[2.54]
.200
[5.08]
VS2 Single Pole
.189
[4.80]
.030
[0.76]
* Double Thrown Shown.
Single Throw uses two outer terminals only.
.173
[4.40]
.098
[2.50]
.020
[0.50]
P.C.MOUNTING
.142
[3.60]
.236
[6.00]
.100
[2.54]
.350
[8.90]
.030
[0.76]
.130
[3.30]
.016
[0.40]
.200
[5.08]
.100
[2.54]
.020
[0.50]
.400
[10.16]
M71
.016
[0.40]
.016
[0.40]
.039
[1.00]
.039
[1.00]
* PC Mounting for M61, M71, VS21 refer to M6, M7, VS2 respectively.
7.
.400
[10.16]
.043
[1.09] DIA
* Double Thrown Shown. Single Throw uses outer terminals only.
Snap-In Termination Options
M61
.100
[2.54]
VS21
.030
[0.76]
.059
[1.50]
.016
[0.40]
.039
[1.00]
Dimensional Specs
inches [millimeters]
.177
[4.50]DIA
K6 Single Pole
.319
[8.10]
.100
[2.54]DIA
M6 Single Pole
.161
[4.10]
.244
[6.20]
EPOXY SEAL
EPOXY SEAL
.030
[0.76]
.138
[3.50]
.433
[11.00]
.280
[7.10]
.354
[9.00]
.276
[7.00]
.020
[0.50]
.100
[2.54]
.278
[7.50]
.032
[0.80]
.100
[2.54]
.083
[2.10]
.110
[2.80]
.079
[2.00]
M7 Single Pole
.177
/ 4.50]DIA
[O
.280
[7.10]
.173
[4.39]
.217
[5.50]
.016
[0.40]
.217
[5.50]
EPOXY SEAL
.100
[2.54]
.030
[0.76]
.118
[3.00]
.161
[4.10]
EPOXY SEAL
.020
[0.50]
.177
[4.50]
.100
[2.54]DIA
S6 Single Pole
.161 .366
[4.10] [9.30]
.244
[6.20]
.125
[3.18]
.120
[3.00]
.561
[14.25]
.079
[2.00]
.063
[1.60]
.125
[3.18]
.100
[2.54]
.325
[8.27]
* Double Thrown Shown. Single Throw uses two outer terminals only.
C1
C2
.189
[4.80]
.197
[5.00]
* MATERIAL: ABS.
8.
CAP COLORS
.283
[7.20]
.158
[4.00]
.102
[2.60]
Plunger Caps
.138
[3.50]
.091
[2.30]
.291
[7.40]
* MATERIAL: ABS.
1
White
6
2
Black
7
Green
Blue
3
Red
8
Brown
4
Orange
9
Gray
5
Yellow
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9.
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