Grayhill Pushbutton switches: Butt Contact 39 Two Circuit Switch Series - Manual

Pushbutton Switches
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Butt Contact Pushbutton Switches
SPdt–PC Mount
Large Button Style
39-261*
diMenSiOnS in inches (and millimeters)
Small Button Style
39-251*
rating at
115 Vac
resistive
rating at
220 Vac
resistive
Operations
at rated
Load
Partial
Part
number
39-251*
39-261*
.090 + .010/ – .015
(2,29 + 0,25/ – 0,38)
.200 ± .015 (5,08 ± 0,38)
.060 (1,52) REF.
.100 ± .015 (2,54 ± 0,38)
.100 ± .010
(2,54 ± 0,25)
.400 ± .015
(10,16 ± 0,38)
.100 ± .010
(2,54 ± 0,25)
.300
± .010
(7,62
± 0,25)
.050 ± .005
(1,27 ± 0,13) TYP.
.050 ± .005 (1,27 ± 0,13)
.084 ± .005 (2,13 ± 0,13) DIA.
.250 ± .010 (6,35 ± 0,25) DIA.
END OF BUTTON HAS A .200 (5,08) SPHERICAL RADIUS
C
L
C
L
.340 ± .015
(8,64 ± 0,38)
.090
± .010
(2,29
± 0,25)
rating at
28 Vdc
resistive
150 mA 1 / 4 Amp 1 / 8 Amp 500,000
action actuating Force (oz.) total travel
Momentary 10 ± 3 oz.
.500 ± .015
(12,7 ± 0,38)
.270 (6,86) REF.
.125 ± .010 (3,18 ± 0,25)
.030 ± .002 (0,76 ± 0,05) DIA.
.250 ± .015 (6,35 ± 0,38)
.060 (1,52) REF.
.100 ± .015 (2,54 ± 0,38)
.100 ± .010 (2,54 ± 0,25)
.100 ± .010 (2,54 ± 0,25)
.300
± .010
(7,62
± 0,25)
.050 ± .005
(1,27 ± 0,13) TYP.
.084 ± .005 (2,13 ± 0,13) DIA.
.250 ± .010 (6,35 ± 0,25) DIA.
.100 ± .010 (2,54 ± 0,25)
.068 ± .010 (1,73 ± 0,25)
.187 ± .010 (4,75 ± 0,25) DIA.
.328 ± .015
(8,33 ± 0,38)
E
C
L
C
L
.090
± .010
(2,29
± 0,25)
.400 ± .015
(10,16 ± 0,38)
.340 ± .015
(8,64 ± 0,38)
.050 ± .005
(1,27 ± 0,13)
.100 – .005 (2,54 – 0,13)
N.C.
N.O.
GRAYHILL XXXX
E.I.A. DATE
CODE
SPeCiFiCatiOnS
rating Criteria
Contact resistance: 25 milliohms maximum
on a new switch
Voltage Breakdown: 1,000 Vac between
mutually insulated parts
insulation resistance: 1,000 megohms
minimum
Operating temperature: -40°C to +125°C
Materials and Finishes
Button: Nylon
Base and Cover: Polyester, red in color
Shorting Bar: Phosphor bronze, gold-plated
over nickel
terminals: Brass, gold-plated over nickel
Spring: Tinned music wire
O-ring: Fluorosilicone
OrderinG inFOrMatiOn
*Complete
Part number
description
39-251 red Small Red Button, SPDT
39-251 BLK Small Black Button, SPDT
39-261 red Large Red Button, SPDT
39-261 BLK Large Black Button, SPDT
CirCuitry
2 Circuits Per Switch
alternate Wiring
SPSt n.C.
SPSt n.O.
N.O. N.O.
N.C. N.C.
SPdt
BreaK BeFOre
MaKe
N.O.
N.C.
C
CONNECT PINS
ON PC BOARD
Actuator
Actuator
SerieS 39
SPSt and SPdt, 1/4 amp
FeatureS
• Fully Protected During Flux
Cleaning Operations