Butt Contact Pushbutton Switches
SERIES 39
SPST, 150 mA
FEATURES
•ꢀ1/4"ꢀDiameterꢀ
•ꢀUpꢀtoꢀ1,000,000ꢀꢀ
CyclesꢀofꢀOperation
•ꢀPCꢀMount
DIMENSIONS ꢀinꢀInchesꢀ(andꢀmillimeters)
SPST–Normally Open, without Nut
.110 .005
(2,79 0,13) DIA.
39-405*ꢀ
ꢀ-40 UNS-2A
THREAD
Rating at
28 Vdc
Resistive
*Complete
Part
Number
Operations
at Rated
Load
A
Button
Color
E.I.A. DATE
CODE LABEL*
B
.640 (16,26)
REF.
39-405ꢀREDꢀ
39-405ꢀBLKꢀ
Red
Black
C
D
ꢀ
150ꢀmAꢀ
1,000,000
TERMINALS ARE
.020 (0,50) SQUARE
Actuating
Force (oz.)
Total
Action
.250 +.010/ –.005
(6,35 + 0,25/ – 0,13)
DIAMETER
Travel
ꢀꢀ+ꢀ4
ꢀꢀ–ꢀ2
ꢀ
ꢀ
ꢀ
.035ꢀ±ꢀ.015ꢀ
.100 .010 (2,54 0,25)
Momentaryꢀ
ꢀ
ꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ4ꢀ
(0,89ꢀ±ꢀ0,38)ꢀ
A = .175 + .025/ –.020 (4,45 + 0,64/ – 0,51)
B = .125 .010 (3,1ꢀ 0,25)
C = .215 .015 (5,46 0,3ꢀ)
*Label increases
nominal diameter
to .255 (6,4ꢀ)
D = .125 .010 (3,1ꢀ 0,25)
SPST–Normally Open, with Nut
.110 .005
(2,79 0,13) DIA.
39-401*
ꢀ-40 UNS-2A
THREAD
H = HEX MTG NUT
Rating at
28 Vdc
Resistive
*Complete
Part
Number
Operations
at Rated
Load
H
A
.219 .010 (5,56 0,25)
ACROSS FLATS
.063 .010 (1,59 0,25)
THICK
Button
Color
E.I.A.
DATE
CODE
LABEL*
B
C
D
.640 (16,26)
REF.
39-401ꢀREDꢀ
39-401ꢀBLKꢀ
Red
Black
ꢀ
150ꢀmAꢀ
1,000,000
TERMINALS ARE
.020 (0,50) SQUARE
Actuating
Force (oz.)
Total
Action
.250 +.010/ –.005
(6,35 +0,25/ – 0,13)
DIAMETER
Travel
+ꢀ4
–ꢀ2
ꢀ
ꢀ
ꢀ
.035ꢀ±ꢀ.015ꢀ
.100 .010 (2,54 0,25)
Momentaryꢀ
ꢀ
ꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ4ꢀ
(0,89ꢀ±ꢀ0,38)ꢀ
A = .175 + .025/ –.020 (4,45 + 0,64/ – 0,51)
B = .125 .010 (3,1ꢀ 0,25)
C = .215 .015 (5,46 0,3ꢀ)
*Label increases
nominal diameter
to .255 (6,4ꢀ)
D = .125 .010 (3,1ꢀ 0,25)
SPST–Normally Open, with Overtravel
.110 .00ꢀ
(2,79 0,1ꢁ3 ꢂDI.
39-424*ꢀ
8-40 UNS-2I
THREIꢂ
Rating at
28 Vdc
Resistive
*Complete
Part
Number
Operations
at Rated
Load
Button
Color
I
H
H = HEX MTG NUT
B
C
ꢂ
.219 .010 (ꢀ,ꢀ6 0,2ꢀ3
ICROSS FLITS
.06ꢁ .010 (1,60 0,2ꢀ3
THDCK
E.D.I.
ꢂITE
COꢂE
LIBEL*
.780 (19,813
REF.
39-424ꢀREDꢀ
39-424ꢀBLKꢀ
Red
Black
ꢀ
150ꢀmAꢀ
100,000
Over
Travel
Total
Travel
Actuating
Force (oz.)
Action
TERMDNILS IRE
.020 (0,ꢀ03 SQUIRE
ꢀ
ꢀ
ꢀ
ꢀ
.130ꢀ±ꢀ.025ꢀꢀꢀꢀꢀꢀꢀꢀ.015ꢀꢀ(0,38)ꢀ
Momentaryꢀ
ꢀ
ꢀ
5ꢀ±ꢀ3ꢀ
.2ꢀ0 +.010/ –.00ꢀ
(6,ꢁꢀ +0,2ꢀ/ – 0,1ꢁ3
ꢂDIMETER
(3,30ꢀ±ꢀ0,64)ꢀ ꢀꢀꢀꢀꢀꢀMin.
.100 .010 (2,ꢀ4 0,2ꢀ3
I = .17ꢀ + .02ꢀ/ –.020 (4,4ꢀ + 0,64/ – 0,ꢀ13
B = .12ꢀ .010 (ꢁ,18 0,2ꢀ3
C = .ꢁꢀꢀ .01ꢀ (9,02 0,ꢁ83
*Label increases
nominal diameter
to .2ꢀꢀ (6,483
ꢂ = .12ꢀ .010 (ꢁ,18 0,2ꢀ3
Grayhill, Inc.
•
561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com