Butt Contact Pushbutton Switches
SERIES 39
Miniature Limit
FEATURES
• Adjustable Location Setting
• Plunger Sealed Version
DIMENSIONS In Inches (and millimeters)
SPST–Normally Open,
With Overtravel
39-101
E.I.A. DATE CODE
.136 .005 (3,45 0,13) DIA.
A
5/16-32 UNEF-2A
THREAD
Rating at
115 Vac
Resistive
Rating at
220 Vac
Resistive
Operations
at Rated
Load
HEX. NUT (2)
.093 (2,36) THICK
.437 (11,10) ACROSS
FLATS
Part
Number
Button
Color
XXXX
.287 (7,29)
MAX.
.837
.650
B
(21,26)
1/2 Amp
Action
1/4 Amp
500,000
39-101 Nat. Nylon
.032
REF.
(16,51
0,81)
A = .187 .015
(4,75 0,38)
Total
Travel
Over
Actuating
Travel
Force (oz.)
B = .450 .015
(11,43 0,38)
.187 .015
(4,75 0,38) from top of bushing
.060 (1,52) Min.
+ 3
– 2
Mounting Hole
.339 (8,61) Diameter
‘D’ shape per above.
.068 .015 (1,73 0,38)
Momentary
5
.072 .005
(1,83 0,13)
Terminals are not oriented to bushing flat
SPST–Normally Open,
Rating at
115 Vac
Resistive
SPST–Normally Open,
With Extended Overtravel
39-102
Rating at
220 Vac
Resistive
Operations
at Rated
Load
Part
Number
Button
Color
With Overtravel, Sealed Actuator
39-701
150 mA
150 mA
1/2 Amp
75 mA
75 mA
1/4 Amp
30,000
100,000
30,000
39-102
39-701
39-103
Nat. Nylon
Nat. Nylon
Nat. Nylon
.110 .005
.110 .00ꢀ
(2,79 0,1ꢁ3 ꢂDI.
39-103
(2,79 0,13) DIA.
E.I.A. DATE
E.D.I. ꢂITE
COꢂE
ꢀ/16-ꢁ2
UNEF-2I
THREIꢂ
CODE
5/16-32
A
I
B
UNEF-2A
THREAD
Total
Travel
Over
Travel
Actuating
Force (oz.)
XXXX
.987
(25,07)
REF.
Action
XXXX
1.0ꢀ0
(26,673
REF.
.800
.032
(20,32
0,81)
B
.800
.0ꢁ2
39-102 and 39-103:
.200 (5,08) Nominal.
from top of bushing
.250 .015
(6,35 0,38)
A = .187 .015
(4,75 0,38)
B = .600 .015
(15,24 0,38)
Momentary
6.8
5
I = .2ꢀ0 .01ꢀ
(6,ꢁꢀ 0,ꢁ83
(20,ꢁ2
0,813
B = .600 .01ꢀ
(1ꢀ,24 0,ꢁ83
39-701:
.060 (1,52) Min.
from top of bushing
.187 .015
(4,75 0,38)
Momentary
8
4
.068 .015 (1,73 0,38)
.072 .00ꢀ
(1,8ꢁ 0,1ꢁ3
.068 .01ꢀ (1,7ꢁ 0,ꢁ83
Mounting Nuts per above.
.072 .005
(1,83 0,13)
SPST–Normally Closed, E.I.A. DATE CODE
.110 .005 (2,79 0,13) DIA.
5/16-32 UNS-2A
THREAD
Sealed Actuator
A
B
Rating at
115 Vac
Resistive
Rating at
220 Vac
Resistive
Operations
at Rated
Load
Part
Number
Button
Color
A = .165 +.035 –.015
XXXX
39-702
(4,19 +0,89 –0,38)
.775
(19,69)
REF.
.610
.032
B = .410 .015
(10,41 0,38)
1/4 Amp
1/8 Amp
100,000
39-702 Nat. Nylon
(15,5
0,81)
Mounting Nuts per above.
Total
Travel
Over
Travel
Actuating
Force (oz.)
Action
.100 (2,54) MAX.
.020 (0,51) REF.
.040 (1,02) REF.
.042 .010
(1,07 0,25)
Momentary
None
8
4
.100 .005 (2,54 0,13)
.060 .005 (1,52 0,13)
CIRCUITRY
STANDARD OPTIONS
Materials and Finishes
Optionalplating:gold-platedcontactsfordrycircuit
conditions, contact Grayhill.
Bushing and Mounting Nuts: Brass, tin zinc
Insulation Sleeve: Molded polyester for
39-101, 39-102, 39-103 and 39-701: phenolic
per MIL-M-14 type CFG for 39-702
Base: Thermoset plastic
SPST N.O.
SPST N.C.
ORDERING INFORMATION
Part
Terminals: Commercial bronze, gold plated
over nickel for 39-101, 39-102, 39-103 and 39-
701; silver for 39-702
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
No.
Description
Springs: Tinned music wire
39-101 SPST, N.O. With Overtravel
39-102 SPST,N.O.WithExtendedOvertravel
39-103 SPST,N.O.WithExtendedOvertravel
39-701 SPST, N.O. With Overtravel, Sealed
39-702 SPST, N.C. Sealed
Contacts: Commercial bronze, gold-plated for
39-101, 39-102, 39-103 and 39-701; fine silver
for 39-702
Button: Thermoplastic
O-Ring: (39-701 & 39-702) Silicone
AvailablefromyourlocalGrayhillDistributor.
For prices and discounts, contact a local Sales
Office, an authorized local Distributor or
Grayhill.
Operating Temperature: -40°C to +85°C
Pushbutton
40
Grayhill, Inc.
• 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
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