Snap action miniature pushbutton switches – Grayhill Pushbutton switches: Snap Action 38C Series User Manual

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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 re-
sistive 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

Options:
AP1, AP2,
AP3,
AP4, B10,
B11, B21,
B21 (see
bushing
options)

dPdt

SPdt

4 5

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)

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