Carling
Technologies
3M-Series Miniature Pushbutton Switches
™
3MS-Series Ordering Scheme
-
- - -
B1
P1
M6 Q
Bushing
Actuator
Termination
7
3MS WSP
E
Seal
5
1
2
3
4
6
7
8
Series
Poles
Circuit
Contact
1 SERIES
6 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
3MS Sealed Snap-Action Miniature Pushbutton Switch
VS21Snap-In, 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
2 POLES
WSP single pole
WDP double pole
3 CIRCUIT
(
) - momentary
7
ON
(ON)
7 CONTACT
Material Terminal Plating Rating
Approvals
G
Q
R
silver1
silver1
gold2
gold over silver3 1A@120VAC or 28VDC
UL, CUL IP68
UL, CUL IP68
IP68
4 ACTUATOR
silver1
gold2
1A@120VAC or 28VDC
0.4VA max. @20V max
(AC/DC)
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)
NOTE:
Tin-lead option available with PC type terminations only.
1
2
3
Moveable contact & terminals: copper alloy, silver plate
Moveable contact & terminals: copper alloy with gold plate over nickel plate
Terminals: silver plate with outer layer in gold plating
5 BUSHING
B1
B4
Threaded
Unthreaded
7 EPOXY SEAL
E
epoxy seal
3MA-Series Ordering Scheme
with Square
-
-
-
M6 Q
Termination
Actuator
-
1
Circuit
3
2
/
AP2
3MA SP
E
Seal
1
2
3
4
5A
Actuator
Color
6
7
5B
Frame
Color
8
Series
Poles
Actuator
Contact
with Plunger
Actuator
-
-
-
M6 Q
Termination
-
1
-
BD
PD
3MA SP
E
Seal
5
1
2
3
4
6
7
8
Bushing
Series
Poles
Circuit
Actuator
Contact
6 TERMINATION
1 SERIES
3MA Alternate-Action Miniature Pushbutton Switch
M1
M2
Solder Lug
PCB
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
M5-1 Wire Wrap .750 [19.05]
M5-2 Wire Wrap .964 [24.48]
M5-3 Wire Wrap .425 [10.80]
M5-4 Wire Wrap 1.062 [26.87]
2 POLES
SP single pole
DP double pole
3P three pole
4P four pole
M6
M7
PC Mount, 90° horizontal
PC Mount, 90° vertical
3 CIRCUIT
(
) - momentary
Switching Position:
2-3, 5-6, 8-9, 11-12
OPEN
NONE
NONE
2-1, 5-4, 8-7, 11-10
7 CONTACT
1
2
ON
ON
ON
(ON)
Material Terminal Plating Rating
Approvals
G
silver1
gold over silver3 6A@125VAC or 28VDC,
UL, CUL
3A@250VAC
gold2
tin-lead4
tin-lead4
6A@125VAC or 28VDC
6A@125VAC or 28VDC,
3A@250VAC
4 ACTUATOR
K
P
silver1
UL, CUL
UL, CUL
SQUARE ACTUATOR (use with Color Options in Selection 5A & 5B.)
AP1
AP2
square with no frame
square raised above frame
Q
R
silver1
gold2
silver1
gold2
6A@125VAC or 28VDC
3A@250VAC
0.4VA max. @20V max (AC/DC)
PLUNGER ACTUATOR (use with Bushing Options in Selection 5)
PA
PI
PL
PC
PD
.118 dia. x .299” plunger length
NOTE:
Tin-lead option available with PC type terminations only.
.118 dia. x .244” plunger length
.118 dia. x .327” plunger length
1
2
3
4
Moveable contact & terminals: copper alloy, silver plate
Moveable contact & terminals: copper alloy with gold plate over nickel plate
Terminals: silver plate with outer layer in gold plating
.315” dia. brass chrome plated plunger (for BD bushing only)
.242” dia. brass chrome plated plunger (for BD bushing only)
Outer terminals: copper alloy with tin-lead over nickel plate
1,2
5A ACTUATOR COLOR & 5B FRAME COLOR
8 EPOXY SEAL
epoxy seal
1
2
3
white
black
red
4
5
6
orange
yellow
green
7
8
9
blue
brown
gray
E
1
Black, red and white are standard. Other colors available, consult factory for details.
Selection 5B is blank if actuator style AP1 (no frame)
2
OR
5 BUSHING
BD
Big bushing for PC, PD actuator 15/32”
Threaded 1/4 - 40
B10
B20
B21
Unthreaded
Unthreaded with flat
NOTE: For CAP options, see ordering scheme on page 35.
www.carlingtech.com
37