Snap Action Miniature Pushbutton Switches
SERIES 38C
Miniature Pushbutton Switches
FEATURES
•
SPDT and DPDT Circuitry
•
Choice of Bushings, and
Terminations
•
Caps and Frames Available
•
UL Recoginized
DIMENSIONS
IN INCHES (AND MILLIMETERS)
SPDT
KEYWAY
.270
(6.86)
Ø.122
(Ø3.10)
.431
(10.95)
.250
(6.35)
.205
(5.20)
.030
(0.76)
KEYWAY
THIS SIDE
3 NC
Pushbutton Switches
.500
(12.7)
.185
(4.70)
NO 2
2 NO
1 COMM.
01COMM.
SCHEMATIC
NC 3
.218
(5.54)
.040
(1.02)
EPOXY SEAL
()=MOMENTARY
MODEL NO.
SP7
TERM. COMM.
SWITCH POSITION
ON
(ON)
1-3
1-2
Ø.122
(Ø3.10)
FLAT
.256
(6.50)
.390
(9.93)
.250
(6.35)
.030
(0.76)
.040
(1.02)
6
3 NC
DPDT
.500
(12.7)
.225
(5.72)
5
2 NO
.450
(11.43)
.218
(5.54)
.040
(1.02)
01COMM.
4
.185
(4.70)
EPOXY SEAL
.051
(1.30)
4
1 COMM.
.190
(4.83)
SCHEMATIC
NC 3
2 NO
NC 6
5 NO
MODEL NO.
DP7
()=MOMENTARY
TERM. COMM.
SWITCH POSITION
ON
(ON)
1-2, 4-5
1-3, 4-6
BUSHING OPTIONS
IN INCHES (AND MILLIMETERS)
B10
Thd Std
B20
Non-Thd
.040
(1.02)
.270
(6.90)
1/4-40 UNS-2A
.250
(6.35)
B11
Thd Std
B21
Non-Thd
.272
(6.90)
1/4-40 UNS-2A
.250
(6.35)
.028
(0.72)
.040
(1.02)
Pushbutton
8
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois
.225
(5.72)
.040
(1.02)
60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Snap Action Miniature Pushbutton Switches
TERMINATION OPTIONS
IN INCHES (AND MILLIMETERS)
M1
Solder Lug (Std)
M2
P. C. Mount
M3
P. C. Mount, Quick
Connect
EPOXY SEAL
.250
(6.35)
.189
(4.80)
.250
(6.35)
EPOXY
SEAL
WX
Wire Wrap
DIM."A"
EPOXY SEAL
.108
(2.75)
.205
(5.20)
EPOXY SEAL
.189
(4.80)
.075
(1.91)
.050
(1.27)
.080
(2.03)
.047
(1.19)
THK. .030 (0.76)
.050
(1.27)
THK. .030 (0.76)
.062
(1.57)
.030 (0.76) THK.
OPTION
CODE
DIM."A"
.750(19.05)
.964(24.48)
.425(10.80)
1.062(26.97)
W1
W2
W3
W4
Pushbutton Switches
M6
Right Angle P. C. Mount, Horizontal
.500
(12.7)
.202
(5.12)
.125
(3.17)
EPOXY
SEAL
.270
(6.86)
Ø.073
.200 (Ø1.85)
(5.08)
.185
(4.69)
SPDT
.185
(4.70)
.030
(0.76)
Ø.122
(Ø3.10)
.298
(7.57)
.202
(5.12)
.500
(12.7)
.125
(3.18)
1
4
1
2 3
.050
(1.27)
.500
(12.7)
.185
(4.70)
.500
(12.7)
.200
(5.08)
.048
(1.22)
P.C. MOUNTING
Ø.122
(Ø3.10)
EPOXY
SEAL
.200
(5.08)
.185
(4.70)
DPDT
.450
(11.43)
.296
(7.53)
4
5 6
1
2 3
.500
(12.7)
.200
(5.08)
.048
(1.22)
.150
(3.81)
P.C. MOUNTING
.030
(0.76)
.185
(4.70)
.500
(12.7)
.150
(3.81)
.050
(1.27)
M7
Right Angle P.C. Mount, Vertical
.270
(6.86)
.202
(5.12)
.500
(12.7)
3
2
1
EPOXY SEAL
.125
(3.18)
SPDT
.500
(12.7)
Ø.122
(Ø3.10)
.296
(7.53)
.500
(12.7)
1
2
3
.150
(3.81)
.050
(1.27)
.030
(0.76)
.150
(3.81)
.048
(1.22)
.200
(5.08)
Ø.073
.200
(Ø1.85)
(5.08)
P.C. MOUNTING
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois
60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Pushbutton
9
Snap Action Miniature Pushbutton Switches
TERMINATION OPTIONS (CONT.)
M7
.450
(11.43)
.125
(3.17)
IN INCHES (AND MILLIMETERS)
Ø.122
(Ø3.10)
.500
(12.70)
.202
(5.12)
EPOXY SEAL
.125
(3.18)
6
5
4
3
2
1
.150
(3.81)
.500
(12.7)
.185
(4.70)
DPDT
4
5
6
.296
(7.53)
.050
(1.27)
.185
(4.70)
.500
(12.7)
.030
(0.76)
.150
(3.81)
.048
(1.22)
.200
(5.08)
.200
(5.08)
Ø.073
(Ø1.85)
P.C. MOUNTING
V2-V3
Pushbutton Switches
Vertical Bracket, P. C. Mount
Ø.122
(Ø3.10)
DIM. "A"
.290
(7.37)
OPTION
DIM."A"
CODE
.202
(5.12)
1
2
3
.125
(3.18)
.185
(4.70)
.620
(15.75)
SPDT
V2
V3
.460
(11,68)
.630
(16,00)
.048
(1.22)
.125
(3.18)
EPOXY SEAL
.185
(4.70)
.020
(0.51)
.185
(4.70)
.320
(8.13)
Ø.122
(Ø3.10)
.290
(7.37)
.620
(15.75)
.125
(3.18)
.030
(0.76)
Ø.073
(Ø1.85)
P.C. MOUNTING
DPDT
.450
(11.43)
.460
(11.68)
.202
(5.12)
4
5
6
.185
(4.70)
.620
(15.75)
Ø.073
(Ø1.85)
.190
(4.83)
P.C. MOUNTING
.048
(1.22)
.125
(3.18)
EPOXY SEAL
.185
(4.70)
.320
(8.13)
.020
(0.51)
.185
(4.70)
.030
(0.76)
.620
(15.75)
.290
(7.37)
.202
(5.12)
V4-V5
Vertical Bracket, P. C. Mount
Ø.122
(Ø3.10)
DIM."A"
.185
(4.70)
OPTION
DIM."A"
CODE
V4
V5
.460
(11,68)
.630
(16,00)
.250
(3.18)
.185
(4.70)
.750
(15.75)
SPDT
1
2
3
.048
(1.22)
.360
(9.14)
Pushbutton
10
.020
(0.51)
.250
(6.35)
.185
(4.70)
EPOXY SEAL
.030
(0.76)
.750
(19.05)
Ø.073
(Ø1.85)
P.C. MOUNTING
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois
60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Snap Action Miniature Pushbutton Switches
TERMINATION OPTIONS (CONT.)
V4-V5
Ø.122
(Ø3.10)
DIM."A"
IN INCHES (AND MILLIMETERS)
.290
(7.37)
.202
(5.12)
OPTION
DIM."A"
CODE
V4
V5
4
5
6
.460
(11,68)
.630
(16,00)
.190
(4.83)
.250
(3.18)
.185
(4.70)
.750
(15.75)
DPDT
.185
(4.70)
.048
(1.22)
.360
(9.14)
.020
(0.51)
.250
(6.35)
.185
(4.70)
EPOXY SEAL
.030
(0.76)
.750
(19.05)
Ø.073
(Ø1.85)
P.C. MOUNTING
Pushbutton Switches
Snap-in Termination Options
(Snap-in termination options have the same PC layout as M2, M6 and M7 options)
S2
S6
BUSHING OPTIONS
IN INCHES (AND MILLIMETERS)
FOR PANEL MOUNTING
AP1
Cap Only
AP2
Cap and Frame
.060
(1.52)
.460
(11.70)
.079
(2.00)
INCREASE TO .620/.625(15.75/15.88)
FOR .091/.125(2.32/3.18) THK. PANEL
SPDT
.618
(15.70)
R.005
(R.130)
.047 TO .125
(1.19 TO 3.18)
PANEL THICKNESS
.060
(1.52)
.284
(7.20)
.600
(15.24)
PANEL LAYOUT
.500
(12.74)
.763
(19.40)
1
2
3
EPOXY SEAL
.460
(11.70)
.079
(2.00)
INCREASE TO .620/.625(15.75/15.88)
FOR .091/.125(2.32/3.18) THK. PANEL
DPDT
.618
(15.70)
R.005
(R.130)
.047 TO .125
(1.19 TO 3.18)
PANEL THICKNESS
.284
(7.20)
.600
(15.24)
PANEL LAYOUT
.500
(12.74)
.763
(19.40)
4
5
6
EPOXY SEAL
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois
60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Pushbutton
11
Snap Action Miniature Pushbutton Switches
BUSHING OPTIONS
IN INCHES (AND MILLIMETERS)
FOR PANEL MOUNTING
AP3
Cap Only
AP4
Cap and Frame
SPDT
.460
(11.70)
.079
(2.00)
INCREASE TO .620/.625(15.75/15.88)
FOR .091/.125(2.32/3.18) THK. PANEL
.618
(15.70)
R.005
(R.130)
.284
(7.20)
.047 TO .125
(1.19 TO 3.18)
PANEL THICKNESS
.600
(15.24)
PANEL LAYOUT
.500
(12.74)
.763
(19.40)
1
2
3
EPOXY SEAL
Pushbutton Switches
DPDT
.460
(11.70)
.079
(2.00)
INCREASE TO .620/.625(15.75/15.88)
FOR .091/.125(2.32/3.18) THK. PANEL
.618
(15.70)
R.005
(R.130)
.284
(7.20)
.047 TO .125
(1.19 TO 3.18)
PANEL THICKNESS
.600
(15.24)
PANEL LAYOUT
.500
(12.74)
.763
(19.40)
4
5
6
EPOXY SEAL
SPECIFICATIONS
RATINGS
Contact Rating:
Q & G option - 3A with
resistive load @ 125 VAC or 28 VDC; 1.5A
with resistive load @ 250 VAC. R option - 0.4
VA max @ 20 Vmax (AC or DC)
Electrical Life:
50,000 make-and-break
cycles at full load
Travel:
.050 ± .010
Contact Resistance:
20 milliohms max.
initial @ 2-4 VDC, 100 mA
Insulation Resistance:
1,000 megaohms
minimum
Dielectic Strength:
1,000 V RMS @ sea
level
Operating Temperature:
-30°C to 85°C
MATERIALS
Case:
Diallyl phthalate (DAP) (UL94V-0)
Plunger:
Glass filled nylon or glass filled
polyester
Bushing:
Brass, nickel plated
Housing:
Stainless steel
Terminal/Switch Support:
Brass, electrotin
plated
Terminal Seal:
Epoxy
ORDERING INFORMATION
SERIES
38C
38C =
Miniature
Pushbutton
Switches
MODEL NO.
SP7
Options:
SP7, DP7
(see models
for
switching
positions)
PLUNGER
BUSHING
B10
TERMINATION
M1
Options: M1,
M2, M3, M6,
M7, S2, S6
V2, V3, V4,
V5, W1, W2,
W3, W4 (see
termination
options)
CONTACT
Q
R = Copper
alloy, gold
plate over
nickel plate.
Q = Copper
alloy, silver
plated
G=Gold
plate over
silver plate
SEAL
T
T = Lead
Free and
RoHS
Compliant
Options:
Blank=std
as shown
in dwg
0 = 0.0
(Flush)
1 = .205
(5.02)
2 = .079
(2.00)
Options:
AP1, AP2,
AP3, AP4,
B10, B11,
B21, B21
(see
bushing
options)
Pushbutton
12
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois
60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
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