
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Pushbutton Switches
Snap Action Miniature Pushbutton Switches
BUSHING OPTIONS IN INCHES (AND MILLIMETERS)
FOR PANEL MOUNTING
AP3 Cap Only
AP4 Cap and Frame
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
38C =
Miniature
Pushbutton
Switches
Options:
SP7, DP7
(see models
for
switching
positions)
Options:
Blank=std
as shown
in dwg
0 = 0.0
(Flush)
1 = .205
(5.02)
2 = .079
(2.00)
Options: M1,
M2, M3, M6,
M7, S2, S6
V2, V3, V4,
V5, W1, W2,
W3, W4 (see
termination
options)
R = Copper
alloy, gold
plate over
nickel plate.
Q = Copper
alloy, silver
plated
G=Gold
plate over
silver plate
T = Lead
Free and
RoHS
Compliant
SERIES MODEL NO. PLUNGER BUSHING TERMINATION CONTACT SEAL
38C SP7 B10 M1 Q T
Options:
AP1, AP2,
AP3, AP4,
B10, B11,
B21, B21
(see
bushing
options)
DPDT
SPDT
Pushbutton
12
456
INCREASE TO .620/.625(15.75/15.88)
FOR .091/.125(2.32/3.18) THK. PANEL
PANEL LAYOUT
EPOXY SEAL
.763
(19.40)
.618
(15.70)
.460
(11.70)
.047 TO .125
(1.19 TO 3.18)
PANEL THICKNESS
.079
(2.00)
.284
(7.20) .500
(12.74)
.600
(15.24)
R.005
(R.130)
123
INCREASE TO .620/.625(15.75/15.88)
FOR .091/.125(2.32/3.18) THK. PANEL
PANEL LAYOUT
EPOXY SEAL
.763
(19.40)
.618
(15.70)
.460
(11.70)
.047 TO .125
(1.19 TO 3.18)
PANEL THICKNESS
.079
(2.00)
.284
(7.20) .500
(12.74)
.600
(15.24)
R.005
(R.130)