Grayhill Pushbutton switches: Butt Contact 39 Limit Switch Series - Manual

Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Pushbutton Switches
Butt Contact Pushbutton Switches
SerieS 39
Miniature Limit
FeatureS
• Adjustable Location Setting
• Plunger Sealed Version
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 +85°C
Materials and Finishes
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
terminals: Commercial bronze, gold plated over
nickel for 39-101, 39-102, 39-103 and 39-701;
silver for 39-702
Springs: Tinned music wire
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
diMenSiOnS
in inches (and millimeters)
SPSt–normally Open,
With Overtravel
39-101
Terminals are not oriented to bushing flat
action
Over
travel
total
travel
Operations
at rated
Load
rating at
220 Vac
resistive
rating at
115 Vac
resistive
Part
number
Button
Color
1 / 2 Amp 1 / 4 Amp 500,000 39-101 Nat. Nylon
actuating
Force (oz.)
Mounting Hole
.339 (8,61) Diameter
‘D’ shape per above.
Momentary 5
+ 3
– 2 .187 ± .015 .060 (1,52) Min.
(4,75 ± 0,38) from top of bushing
.136 – .005 (3,45 – 0,13) DIA.
.068 – .015 (1,73 – 0,38)
A
.287 (7,29)
MAX.
.650
– .032
(16,51
– 0,81)
.837
(21,26)
REF.
B
5/16-32 UNEF-2A
THREAD
HEX. NUT (2)
.093 (2,36) THICK
.437 (11,10) ACROSS
FLATS
.072 – .005
(1,83 – 0,13)
A = .187 – .015
(4,75 – 0,38)
B = .450 – .015
(11,43 – 0,38)
XXXX
E.I.A. DATE CODE
CirCuitry Standard OPtiOnS
Optional plating: gold-plated contacts for dry
circuit conditions, contact Grayhill.
action
Operations
at rated
Load
rating at
220 Vac
resistive
rating at
115 Vac
resistive
Part
number
Button
Color
1 / 4 Amp 1 / 8 Amp 100,000 39-702 Nat. Nylon
actuating
Force (oz.)
Momentary None 8 ± 4
Over
travel
total
travel
SPSt–normally Closed,
Sealed actuator
39-702
.042 ± .010
(1,07 ± 0,25)
Mounting Nuts per above.
.110 – .005
(2,79 – 0,13) DIA.
.068 – .015 (1,73 – 0,38)
A
.800
–.032
(20,32
– 0,81)
.987
(25,07)
REF.
B
5/16-32
UNEF-2A
THREAD
.072 – .005
(1,83 – 0,13)
A = .187 – .015
(4,75 – 0,38)
B = .600 – .015
(15,24 – 0,38)
E.I.A. DATE
CODE
XXXX
Mounting Nuts per above.
SPSt–normally Open,
With Overtravel, Sealed actuator
39-701
SPSt–normally Open,
With extended Overtravel
39-102
39-103
.110 – .005 (2,79 – 0,13) DIA.
.060 – .005 (1,52 – 0,13)
.100 – .005 (2,54 – 0,13)
A
.610
– .032
(15,5
– 0,81)
.775
(19,69)
REF.
B
5/16-32 UNS-2A
THREAD
A = .165 +.035 .015
(4,19 +0,89 0,38)
B = .410 – .015
(10,41 – 0,38)
.020 (0,51) REF.
.040 (1,02) REF.
E.I.A. DATE CODE
XXXX
.100 (2,54) MAX.
Operations
at rated
Load
rating at
220 Vac
resistive
rating at
115 Vac
resistive
Part
number
Button
Color
150 mA 75 mA 30,000 39-102 Nat. Nylon
150 mA 75 mA 100,000 39-701 Nat. Nylon
1 / 2 Amp 1 / 4 Amp 30,000 39-103 Nat. Nylon
action
Over
travel
total
travel
actuating
Force (oz.)
39-102 and 39-103:
.200 (5,08) Nominal.
from top of bushing
39-701:
.060 (1,52) Min.
from top of bushing
.250 ± .015
(6,35 ± 0,38)
.187 ± .015
(4,75 ± 0,38)
6.8 ± 5
8 ± 4
Momentary
Momentary
SPSt n.O.
.110 ± .005
(2,79 ± 0,13) DIA.
.068 ± .015 (1,73 ± 0,38)
A
.800
±.032
(20,32
± 0,81)
1.050
(26,67)
REF.
B
5/16-32
UNEF-2A
THREAD
.072 ± .005
(1,83 ± 0,13)
A = .250 ± .015
(6,35 ± 0,38)
B = .600 ± .015
(15,24 ± 0,38)
E.I.A. DATE
CODE
XXXX
SPSt n.C.
Part
no. description
39-101 SPST, N.O. With Overtravel
39-102 SPST, N.O. With Extended Overtravel
39-103 SPST, N.O. With Extended Overtravel
39-701 SPST, N.O. With Overtravel, Sealed
39-702 SPST, N.C. Sealed
OrderinG inFOrMatiOn