Carling
Technologies
?
3M-Series Miniature Pushbutton Switches
3MS-Series Ordering Scheme
3MS - WSP 7 - P1 - B1 - M6 Q E
1
Series
2
Poles
3
Circuit
4
Actuator
5
Bushing
6
Termination
7
Contact
8
Seal
1 SERIES
6 TERMINATION
3MS Sealed Snap-Acti on Miniature Pushbutton Switch
M1
M2
Solder Lug
PCB
VS21 Snap-In, U bracket,
.620 mounting x .460 high
2 POLES
WSP single pole
3 CIRCUIT
( ) - momentary
WDP double pole
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
VS3 PC Mount, U bracket,
.620 mounting x .630 high
VS4 PC Mount, U bracket,
.750 mounting x .460 high
VS5 PC Mount, U bracket,
.750 mounting x .630 high
7
ON
(ON)
7 CONTACT
Material
Terminal Plating
Rating
Approvals
4 ACTUATOR
P1
P2
P3
.173” plunger (for B1 bushing); .276” (for B4 bushing)
.220” plunger (for B1 bushing); .327” (for B4 bushing)
.087” plunger (for B1 bushing); .193” (for B4 bushing)
G silver 1
Q silver 1
R gold 2
NOTE:
gold over silver 3
silver 1
gold 2
1A@120VAC or 28VDC
1A@120VAC or 28VDC
0.4VA max. @20V max
(AC/DC)
UL, CUL IP68
UL, CUL IP68
IP68
Tin-lead option available with PC type terminations only.
5 BUSHING
1
2
Moveable contact & terminals: copper alloy, silver plate
Moveable contact & terminals: copper alloy with gold plate over nickel plate
B1
B4
Threaded
Unthreaded
3 Terminals: silver plate with outer layer in gold plating
7 EPOXY SEAL
E
epoxy seal
3MA-Series Ordering Scheme
with Square
Actuator
3MA - SP - 1 - AP2 / 3 2 - M6 Q E
1
Series
2
Poles
3
Circuit
4
Actuator
5A
Actuator
5B
Frame
6
Termination
7
Contact
8
Seal
Color
Color
with Plunger
Actuator
3MA - SP - 1 - PD - BD - M6 Q E
1
Series
2
Poles
3
Circuit
4
Actuator
5
Bushing
6
Termination
7
Contact
8
Seal
1 SERIES
6 TERMINATION
3MA Alternate-Acti on Miniature Pushbutton Switch
M1
M2
Solder Lug
PCB
VS2
PC Mount, U bracket,
.620 mounting x .460 high
2 POLES
SP single pole
DP double pole
3P three pole
4P four pole
M5-1 Wire Wrap .750 [19.05]
M5-2 Wire Wrap .964 [24.48]
M5-3 Wire Wrap .425 [10.80]
VS3
VS4
PC Mount, U bracket,
.620 mounting x .630 high
PC Mount, U bracket,
M5-4 Wire Wrap 1.062 [26.87]
.750 mounting x .460 high
3 CIRCUIT
( ) - momentary
M6
M7
PC Mount, 90° horizontal
PC Mount, 90° vertical
VS5
PC Mount, U bracket,
.750 mounting x .630 high
Switching Position:
1
2
2-3, 5-6, 8-9, 11-12
ON
ON
OPEN
NONE
NONE
2-1, 5-4, 8-7, 11-10
ON
(ON)
7 CONTACT
Material Terminal Plating Rating
G silver 1 gold over silver 3 6A@125VAC or 28VDC,
Approvals
UL, CUL
3A@250VAC
4 ACTUATOR
K
gold 2
tin-lead 4
6A@125VAC or 28VDC
silver
silver
SQUARE ACTUATOR (use with Color Options in Selection 5A & 5B.)
AP1 square with no frame
AP2 square raised above frame
PLUNGER ACTUATOR (use with Bushing Options in Selection 5)
P
Q
R
silver 1
1
gold 2
tin-lead 4
1
gold 2
6A@125VAC or 28VDC,
3A@250VAC
6A@125VAC or 28VDC
3A@250VAC
0.4VA max. @20V max (AC/DC)
UL, CUL
UL, CUL
PA
PI
.118 dia. x .299” plunger length
.118 dia. x .244” plunger length
NOTE:
Tin-lead option available with PC type terminations only.
PL
.118 dia. x .327” plunger length
1
Moveable contact & terminals: copper alloy, silver plate
PC
PD
.315” dia. brass chrome plated plunger (for BD bushing only)
.242” dia. brass chrome plated plunger (for BD bushing only)
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
5A ACTUATOR COLOR & 5B FRAME COLOR 1,2
1 white 4 orange
2 black 5 yellow
7 blue
8 brown
8 EPOXY SEAL
E epoxy seal
3 red
6 green
9 gray
1
2
Black, red and white are standard. Other colors available, consult factory for details.
Selection 5B is blank if actuator style AP1 (no frame)
OR
5 BUSHING
BD
B10
B20
B21
Big bushing for PC, PD actuator 15/32”
Threaded 1/4 - 40
Unthreaded
Unthreaded with flat
NOTE: For CAP options, see ordering scheme on page 35.
www.carlingtech.com
37
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