
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 ininches(andmillimeters)
FORPANELMOUNTING
AP3 CapOnly
AP4 CapandFrame
SPECIFICATIONS
RATINGS
Contact Rating:Q&Goption-3Awithre-
sistiveload@125VACor28VDC;1.5Awith
resistiveload@250VAC.Roption-0.4VA
max@20Vmax(ACorDC)
Electrical Life:50,000make-and-break
cyclesatfullload
Travel:.050±.010
Contact Resistance:20milliohmsmax.initial
@2-4VDC,100mA
Insulation Resistance:1,000megaohms
minimum
Dielectic Strength:1,000VRMS@sea
level
Operating Temperature:-30°Cto85°C
MATERIALS
Case:Diallylphthalate(DAP)(UL94V-0)
Plunger: Glassllednylonorglasslled
polyester
Bushing: Brass,nickelplated
Housing: Stainlesssteel
Terminal/Switch Support:Brass,electrotin
plated
Terminal Seal:Epoxy
ORDERING INFORMATION
38C=
Miniature
Pushbutton
Switches
Options:
SP7,DP7
(seemodels
for
switching
positions)
Options:
Blank=std
asshown
indwg
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
plateover
nickelplate.
Q=Copper
alloy,silver
plated
G=Gold
plateover
silverplate
T=Lead
Freeand
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
4
5
6
INCREASETO.620/.625(15.75/15.88)
FOR.091/.125(2.32/3.18)THK.PANEL
PANELLAYOUT
EPOXYSEAL
.763
(19.40)
.618
(15.70)
.460
(11.70)
.047TO.125
(1.19TO3.18)
PANELTHICKNESS
.079
(2.00)
.284
(7.20)
.500
(12.74)
.600
(15.24)
R.005
(R.130)
1
2
3
INCREASETO.620/.625(15.75/15.88)
FOR.091/.125(2.32/3.18)THK.PANEL
PANELLAYOUT
EPOXYSEAL
.763
(19.40)
.618
(15.70)
.460
(11.70)
.047TO.125
(1.19TO3.18)
PANELTHICKNESS
.079
(2.00)
.284
(7.20)
.500
(12.74)
.600
(15.24)
R.005
(R.130)