HOW TO ORDER

SPECIFICATIONS
CONTACT RATING: Dependent upon contact material See Page 130.
MECHANICAL LIFE: 50,000 make-and-break cycles.
CONTACT RESISTANCE: 20 mȟġmax. initial @ 2-4VDC
100mA for both silver and gold plated contacts.
INSULATION RESISTANCE: 1,000 Mȟġmin.
DIELECTRIC STRENGTH: 1,000 Vrms min.@sea level.
OPERATING TEMPERATURE: -30°C to 85°C.
MATERIALS
8M
Sub-Miniature Pushbutton Switches
CASE: Diallyl phthalate(DAP) (UL94V-0).
PLUNGER: Thermoplastic Polyester-black.
BUSHING: Brass or zinc,nickel plated.
HOUSING: Stainless Steel.
SWITCH SUPPORT: Brass.tin plated.
CONTACT/TERMINAL:Brass, with silver or gold plated.
(See Page 130)
HOW TO ORDER
MODEL NO. ACTUATOR BUSHING
FRAME
CAP TERMINATIONS CONTACT SEAL
CAP
RoHS
CAPS
COLOR COLOR
COLOR
MATERIAL
SOLDERING
See below
(only for bushing AP1)
See below
Model NO.
8MS8 On-Mom.
8MS9 Off-Mom.
Seal
Contact
material
E EPOXY (std)
Q Silver
N NO EPOXY
R Gold
G Gold,pure-tin
S Silver,pure-tin
C Gold over silver
K Gold over silver,pure-tin
Actuator
P1 3.94 high
Terminations
Bushing
B05
B06
B07
B08
B09
B10
AP1
5.59 high,flat (thd)
5.59 high,flat (non-thd)
5.59 high (non-thd)
7.87 high (non-thd)
7.87 high (thd)
3.30 high
Snap-in with frame
Solder Lug
PC thru-hole
Wire wrap
Right angle, PC thru-hole
Right angle, snap-in, PC thru-hole
Vertical right angle, PC thru-hole
Vertical rightangle, snap-in,
PC thru-hole
VS2 8.94 high, V-bracket
V2N 8.94 high, snap-in V-bracket
M1
M2
M5
M6
M6N
M7
M7N
8MD9 Off-Mom P1B10 4.10 high (std)
Model NO.
8MSL On-On
Actuator
P1 4.29 high
Bushing
B05 5.24 high,flat (thd)
B06 5.24 high,flat (non-thd)
Frame/Cap color
ITEM NO
1
2
3
4
5
6
7
8
9
124
We have invented the rules
www.dailywell.com.tw
COLOR
White
Black (Std)
Red
Orange
Yellow
Green
Blue
Brown
Gray
Caps
C1
C3
C4
RoHS soldering
Rohs Compliant
S Rohs & Lead Free
F Halogen Free+RoHS
8M Series
Sub-Miniature Pushbutton Switches
SWITCH FUNCTION
UL/CSA
MODEL
MODEL
NO.
NO.
NO.
POLES
SP
DP
SWITCH FUNCTION
POS.1
POS.2
CONNECTED TERMINALS / SCHEMATIC
POS.1
POS.2
2 (COMM)
2-1
8MS8
ON
MOM
Q2819
8MS9
OFF
MOM
OPEN
1-3
Q2829
8MD9
OFF
MOM
OPEN
1-3,4-6
NC 1
2 (COMM)
2-3
Q2818
3 NO
NC 1
3 NO
1
1
3
3
4
6
MOM=MOMENTARY
8M
Pushbutton Switches
POLE OPTIONS
Ø.240
Ø6.10
.155
3.94
FLAT
EPOXY
SEAL
.220
5.59
.020
0.51
.320
8.13
Ø.100
Ø2.54
.137
4.39
.200
5.08
10-48 UNS
3
.200
5.08
3
1
1
.340
8.64
.060
1.52
.110
2.79
SPST
Part No. Shown : 8MS9P1B05M1QE
Ø.240
Ø6.10
.155
3.94
FLAT
EPOXY
SEAL
.220
5.59
.020
0.51
.320
8.13
Ø.100
Ø2.54
.137
4.39
.200
5.08
10-48 UNS
.100
2.54
3
2
1
3
2
1
.340
8.64
.160
4.06
.060
1.52
SPDT
Part No. Shown : 8MS8P1B05M1QE
EPOXY
SEAL
.360
9.14
.161
4.10
.320
8.13
.020
0.51
.200
5.08
6
Ø.096
Ø2.45
.161
4.10
Ø.108
Ø2.76
4
.130
3.30
.320
8.13
6
3
4
1
.030
0.76
.160
4.06
DPST
Part No. Shown : 8MD9P1B10M2RE
We have invented the rules
www.dailywell.com.tw
125
BUSHING OPTIONS
B05 THD
B06 NON-THD
Ø.240
Ø6.10
Ø.100
Ø2.54
.020
0.51
Ø.185
Ø4.75
.155
3.94
Ø.100
Ø2.54
Ø.200
Ø5.08
.245
6.22
Ø.120
Ø3.05
.215
5.46
Ø.100
Ø2.54
1/4-40 UNS
.220
5.59
.130
3.30
.310
7.87
.020
0.51
.020
0.51
.020
0.51
8M
.020
0.51
B10
Ø.280
Ø7.11
.155
3.94
Ø.100
Ø2.54
.220
5.59
.220
5.59
10-48 UNS
.225
5.72
.173
4.39
.155
3.94
B08 NON-THD
B09 THD
Ø.240
Ø6.10
Ø.240
Ø6.10
.173
4.39
Sub-Miniature Pushbutton Switches
B07 NON-THD
TERMINATION OPTIONS
M1 Solder lug
M2 PC Thru-hole
M5 Wire Wrap
.110
2.79
.060
1.53
OTHER TERMINATION OPTIONS
.070
1.78
.160
4.06
EPOXY
SEAL
.130
3.30
EPOXY
SEAL
.030
0.76
.060
1.52
EPOXY
SEAL
.030
0.76
.020
0.51THK.
RIGHT ANGLE P.C. MOUNT
M6N
RIGHT ANGLE P.C. MOUNT
WITH SNP-IN BRACKET
.600
15.24
.060
1.52
.020
0.51THK.
M6
M7
RIGHT ANGLE P.C. MOUNT
VS2
VERTICAL BRACKET P.C. MOUNT
.020
0.51THK.
.030
0.76
M6
.220
5.59
.139
3.53
.030
0.76
Ø.100
Ø2.54
.200
5.08
EPOXY
SEAL
.200
.020
5.08
0.51
.130
3.30
P.C. MOUNTING
.320
8.13
.200
5.08
1
.016
0.41
.030
0.76
.158
4.01
3
3
1
.200
5.08
.020
0.51
.200
5.08
.200
5.08
Ø.043
Ø1.09
SPST
Part No. Shown : 8MS9P1B06M6RE
M6
.220
5.59
.139
3.53
.030
0.76
Ø.100
Ø2.54
.200
5.08
www.dailywell.com.tw
.100
2.54
.200
5.08
3 2 1
.158
4.01
Part No. Shown : 8MS8P1B06M6QE
We have invented the rules
P.C. MOUNTING
.320
8.13
1 2 3
.016
0.41
SPDT
126
EPOXY
SEAL
.200
.020
5.08
0.51
.130
3.30
.030
0.76
.200
5.08
.020
0.51
.100
2.54
Ø.043
Ø1.09
.200
5.08
8M Series
Sub-Miniature Pushbutton Switches
M6
.320
8.13
.028
0.70
.320
8.13
.136
3.45
Ø.096
Ø.2.45
.161
4.10
P.C. MOUNTING
EPOXY
SEAL
.161
4.10
.360
9.14
.020
0.50
.034
0.86
.200
5.08
.100
2.54
.100
2.54
.200
5.08
.200
5.08
6
6
3
1
1 4
.001
0.25
.200
5.08
4
3
4
1
Ø.043
Ø1.09
.020
5.08
.200
5.08
DPST
Part No. Shown : 8MD9P1B10M6RE
M7
.139
3.53
.200
5.08
Ø.100
Ø2.54
.200
5.08
.320
8.13
.020
0.50
.030
0.76
8M
EPOXY
SEAL
3
1
3
.016
0.41
.158
4.01
.200
5.08
.530
13.46
Ø.043
Ø1.09
1
.030
0.76
.020
0.51
.200
5.08
Pushbutton Switches
P.C. MOUNTING
.220
5.59
SPST
Part No. Shown : 8MS9P1B60M7QE
M7
.220
5.59
P.C. MOUNTING
EPOXY
SEAL
.139
3.53
.200
5.08
.030
0.76
Ø.100
Ø2.54
.100
2.54
.320
8.13
.020
0.50
3
2
1
3
.016
0.41
.158
4.01
.530
13.46
2
1
.030
0.76
.020
0.51
.200
5.08
.200
5.08
Ø.043
Ø1.09
.100
2.54
SPDT
Part No. Shown : 8MS8P1B06M7QE
VS2
Ø.100
Ø2.54
.139
3.53
.352
8.94
.220
5.59
.200
5.08
.400
10.16
.130
3.30
1
.016
0.41
.030
0.76
.200
5.08
P.C. MOUNTING
3
EPOXY
SEAL
.020
0.51
3
1
Ø.043
Ø1.09
.200
5.08
.400
10.16
SPST
Part No. Shown : 8MS9P1B06VS2QE
We have invented the rules
www.dailywell.com.tw
127
VS2
Ø.100
Ø2.54
.139
3.53
.352
8.94
P.C. MOUNTING
.220
5.59
.100
2.54
.130
3.30
.400
10.16
EPOXY
SEAL
1 2 3
.030
0.76
.016
0.41
.200
5.08
SPDT
Ø.043
Ø1.09
.020
0.51
.100
2.54
3
2
1
.400
10.16
Part No. Shown : 8MS8P1B06VS2QE
AP1
PANEL MOUNTING
R.005
R0.13
8M
Sub-Miniature Pushbutton Switches
.150
3.81
.370
9.40
.090
2.29
.450
11.43
.765
19.43
.619
15.70
PANEL THICKNESS
.047 TO .125
1.19 TO 3.18
.615
15.62
.500
12.70
SPST
Part No. Shown : 8MS9AP122M1QE
SNAP-IN TERMINATION OPTIONS
M6N
M7N
V2N
V3N
CAP OPTIONS
C1 For 8M Series ONLY
.159
4.03
Ø.197
Ø5.00
.159
4.03
C4 For 8M Series ONLY
128
We have invented the rules
www.dailywell.com.tw
.159
4.03
Ø.197
Ø5.00
.087
2.20
C5 For 8A,8B Series ONLY
Ø.293
Ø7.45
.091
2.30
Ø.197
Ø5.00
.102
2.60
.087
2.20
.138
3.50
C3 For 8M Series B8,B9 Bushing ONLY
C2 For 8A,8B Series ONLY
.138
3.50
Ø.293
Ø7.45
.091
2.30
Cap Color : White, Black, Red, Green
8M Series
Sub-Miniature Pushbutton Switches
SWITCH FUNCTION
SPECIFICATIONS
RATING: 1A 250VAC, 3A 120VAC or 28VDC
MECHANICAL LIFE: 6,000 cycles.
CONTACT RESISTANCE: R=20 mȟġmax. ,Q=50 mȟġmax.
INSULATION RESISTANCE: 1,000 Mȟġmin., 1000VDC
DIELECTRIC STRENGTH: 1,000 VAC for 1 Minute.
OPERATING TEMPERATURE: -30°C to 85°C.
FULL TRAVEL: 1.88±0.30mm
OPERATING TRAVEL: 1.34±0.25mm
OPERATING FORCE: 350±100g
UL/CSA
MODEL
MODEL
NO.
NO.
NO.
POLES
SP
Q28
SWITCH FUNCTION
POS.1
POS.2
ON
ON
8MSL
CONNECTED TERMINALS / SCHEMATIC
POS.2
POS.1
MATERIALS
2 (COMM)
CASE: Diallyl phthalate(DAP) (UL94V-0).
2-1
PLUNGER: Nylon glass fiber.
BUSHING: Brass,nickel plated.
HOUSING: Stainless.
SWITCH SUPPORT: Brass.tin plated.
CONTACT/TERMINAL:Brass, with silver or gold plated. (See Page 129)
NC 1
2-3
3 NO
2 (COMM)
NC 1
3 NO
.206
5.24
.168
4.29
Ø.240
Ø6.10
.110
2.79 .020
0.50
.100
2.54
.318
8.10
Ø.098
Ø2.50
.201
5.10
.160
4.06
.362
9.22
10-48 UNS
8M(Lock)
M1
Pushbutton Switches
POLE OPTIONS
.060
1.52
EPOXY SEAL
1.88 ± 0.30 (FULL TRAVEL)
SPDT
1.34 ± 0.25 (OPERATING TRAVEL)
Part No. Shown : 8MSLP1B05M1QE
M2
.206
5.24
.168
4.29
Ø.240
Ø6.10
.110
3.30
.020
0.50
.318
8.10
Ø.098
Ø2.50
.201
5.10
.100
2.54
EPOXY SEAL
.362
9.22
.030
0.76
1.88 ± 0.30 (FULL TRAVEL)
1.34 ± 0.25 (OPERATING TRAVEL)
SPDT
Part No. Shown : 8MSLP1B06M2QE
BUSHING AND TERMINATION OPTIONS
B05 THD
.078
1.98
Ø.240
Ø6.10
.060
1.53
EPOXY
SEAL
.060
1.52
.023
0.60
M2 PC Thru-hole
.030
0.76
.020
0.51THK.
.020
0.51
M5 Wire Wrap
.070
1.78
EPOXY
SEAL
.206
5.24
.023
0.60
.110
2.79
.160
4.06
.078
1.98
Ø.240
Ø6.10
10-48 UNS
M1 Solder lug
B06 NON-THD
.020
0.51
.206
5.24
.130
3.30
.030
0.76
.020
0.51THK.
EPOXY
SEAL
.600
15.24
OTHER TERMINATION OPTIONS
M6
RIGHT ANGLE P.C. MOUNT
M7
RIGHT ANGLE P.C. MOUNT
VS2 VERTICAL BRACKET P.C. MOUNT
.060
1.52
.030
0.76
.020
0.51THK.
We have invented the rules
www.dailywell.com.tw
129
M6
.319
8.10
.168
4.29
Ø.240
Ø6.10
.201
5.10
.379
9.62
.206
5.24
P.C. MOUNTING
.100
2.54
EPOXY SEAL
3 2
Ø.098
Ø2.50
.030
0.76
.200
5.08
1
.154
3.91
.016
0.40
2 3
.020
0.50
.030
0.76
.100
2.54
.225
5.72
.225
5.72
1
Ø.043
Ø1.09
.200
5.08
SPDT
Part No. Shown : 8MSLP1B06M6QE
.201
5.10
.206
5.24
.169
4.29
Ø.240
Ø6.10
.379
9.62
P.C. MOUNTING
EPOXY SEAL
3
2
1
.319
8.10
8M(Lock)
Sub-Miniature Pushbutton Switches
M7
Ø.098
Ø2.50
.030
0.76
.016
0.40
.217
5.51
SPDT
.020
0.50
.100
2.54
.100
2.54
3
2
1
.217
5.51
.030
0.76
.100
2.54
Ø.043
Ø1.09
Part No. Shown : 8MSLP1B06M7QE
VS2
.098
2.50
.168
4.29
P.C. MOUNTING
.206
5.24
.372
9.45
EPOXY SEAL
.100
2.54
.400
10.16
1 2 3
.016
0.40
.400
10.16
SPDT
.130
3.30
.020
0.50
.100
2.54
.030
0.76
3
2
1
Ø.043
Ø1.09
Part No. Shown : 8MSLP1B06VS2QE
CONTACT MATERIAL OPTIONS
CONTACT PLATING
Q
S
C
K
R
G
Silver
Gold over Silver
TERMINAL PLATING
RATINGS
Q = Silver
S = Silver,pure - tin
3 Amps with resistant load @ 120VAC or 28VDC
C = Gold over silver
1 Amps with resistant load @ 250VAC
K = Gold over silver,pure - tin
Gold
R = Gold
0.4 Volt - Amps ( VA ) max. @ 20V max. ( AC or DC )
G = Gold,pure - tin
SOLDERING PROCESSES
MANUAL SOLDERING: Use soldering iron of 30 watts, controlled at 350°C
approximately 5 seconds while applying solder.
WAVE SOLDERING: Recommended Soldering Temperature: 260 ± 5°C
Duration of Solder Immersion: Max 5 sec. (PCB is 1.6mm in thickness)
130
We have invented the rules
www.dailywell.com.tw