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
SERIES 30
SPST, 1 and 5 Amp
FEATURES
• Reliable
• Economical
• LargeSelection
• ULRecognized
• CSACertied
• SealedBushingand
PushbuttonOption
Normally Open–SPST Standard, Economy and UL Recognized
30-1
30-1UL
30-3
30-3UL
30-601*
DIMENSIONS ininches(andmillimeters)
At5VdcAt20Vdc 30-601RED Red
150mA20mA 30-601BLK Black
Button
Color
Operations
at Rated
Load
1,000,000
Mtg.
Hole
Total
Travel
Actuating
Force (oz.)
Electrical
Ratings
Action
.062±.010 17/64"
(1,57±0,25) (6,75)
Momentary 10±4
Economy Version
Mtg.
Hole
Total
Travel
Action Actuating
Force (oz.)
Button
Color
30-1 Red
30-3 Black
Part
Number
Operations
at Rated
Load
Rating at
115 Vac
Resistive
1Amp0.5Amp1,000,000
Momentary 10±4
Standard
Mtg.
Hole
Total
Travel
Action Actuating
Force (oz.)
Button
Color
30-1UL Red
30-3UL Black
Part
Number
Operations
at Rated
Load
Rating at
120 Vac
Resistive
Rating at
220 Vac
Resistive
5Amp 6,000
Momentary 10±4
UL Recognized
*Complete
Part
Number
.062±.010 17/64"
(1,57±0,25) (6,75)
.062±.010 17/64"
(1,57±0,25) (6,75)
.162 ± .005
(4,11 ± 0,13)
A
.992
(25,20)
REF.
1/4-32 UNEF-2A
THREAD
.375
± .005
(9,53 ± 0,13)
D
C
B
A = .150 ± .015
(3,81 ± 0,38)
B = .250 ± .010
(6,35 ± 0,25)
C = .370 ±.015
(9,40 ± 0,38)
D = .222 ± .020
(5,64 ± 0,51)
HEX MOUNTING NUT
.375 (9,53) ACROSS FLATS
.109 (2,77) THICK
LABEL*
*PART NUMBER
AND E.I.A. DATE
CODE LABEL
.186
(4,72)
REF.
C
L C
L
—–
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
A
1.091
(27,71)
REF.
.437
±.010
(11,10±0,25)
ACROSSFLATSOFHEX
.505(12,83)REF.
ACROSSCORNERS
D
C
B
A=.209±.015
(5,31±0,38)
B=.250±.010
(6,35±0,25)
C=.410±.015
(10,41±0,38)
D=.222±.020
(5,64±0,51)
E=.187±.010
(4,75±0,25)
F=.100±.010
(2.54±0,25)
F
T
SNAPONCAP
E
.375±.010DIA.
(9,53
±0,25)
T=1/4-32
UNEF-2A
THREAD
O=ORING
O
HEXMTGNUT
.312(7,92)
ACROSSFLATS
.062(1,57)
THICK
LABEL*
*PARTNUMBER
ANDE.I.A.DATE
CODELABEL
.015(0,38)
.186REF.
(4.7)
Normally Open–SPST With
Sealed Bushing and Button
30-251*
Normally Closed–SPST With
Sealed Bushing and Button
30-252*
Mtg.
Hole
Total
Travel
Action
Button
Color
Operations
at Rated
Load
Rating at
115 Vac
Resistive
Rating at
220 Vac
Resistive
1Amp 1/2Amp250,000
Actuating
Force (oz.)
Momentary 30±8
*Complete
Part
Number
Mtg.
Hole
Total
Travel
Action
Button
Color
Operations
at Rated
Load
Rating at
115 Vac
Resistive
Rating at
220 Vac
Resistive
Actuating
Force (oz.)
Momentary  12±4
*Complete
Part
Number
30-2
30-2UL
30-6
30-6UL
Normally Closed–SPST and UL Recognized Normally Closed–SPST
Mtg.
Hole
Total
Travel
Action Actuating
Force (oz.)
Button
Color
30-2 Black
30-6 Red
Part
Number
Operations
at Rated
Load
Rating at
115 Vac
Resistive
Rating at
220 Vac
Resistive
Momentary 8±4
UL Recognized
Mtg.
Hole
Total
Travel
Action Actuating
Force (oz.)
Button
Color
30-2UL Black
30-6UL Red
Part
Number
Operations
at Rated
Load
Rating at
120 Vac
Resistive
Rating at
220 Vac
Resistive
5Amp 6,000
Momentary 8±4
DIMENSIONS ininches(andmillimeters)
1Amp1/2Amp 1,000,000
.065+.010/-.015 17/64"
(1,65+0,25/-0,38) (6,75)
.065+.010/-.015 17/64"
(1,65+0,25/-0,38) (6,75)
30-251REDRed
30-251BLK Black
.062±.020 17/64"
(1,57±0,51) (6,75)
30-252RED Red
30-252BLK Black
.065±.010 17/64"
(1,65±0,25) (6,75)
1Amp 1/2Amp 250,000
.162 ± .005
(4,11 ± 0,13) DIA.
A
1.005
(25,53)
REF.
1/4-32 UNEF-2A
THREAD
.375
± .005
(9,53 ± 0,13)
.230 REF.
(5.8)
D
C
B
A = .150 ± .015
(3,81 ± 0,38)
B = .250 ± .010
(6,35 ± 0,25)
C = .375 ±.015
(9,53 ± 0,38)
D = .230± .020
(5,84 ± 0,51)
HEX MOUNTING NUT
.375 (9,53) ACROSS FLATS
.109 (2,77) THICK
LABEL*
*PART NUMBER
AND E.I.A. DATE
CODE LABEL
A
1.104
(28,04)
REF.
T = 1/4-32
UNEF-2A
THREAD
O = O RING
.437
± .010
(11,10 ± 0,25)
ACROSS FLATS OF HEX.
.505 (12,83) REF.
ACROSS CORNERS
D
C
B
O
A = .209 ± .015
(5,31 ± 0,38)
B = .250 ± .010
(6,35 ± 0,25)
C = .415 ± .015
(10,54 ± 0,38)
D = .230 ± .015
(5,84 ± 0,38)
E = .187 ±.010
(4,75 ± 0,25)
F = .100 ± .010
(2.54 ± 0,25)
F
T
SNAP ON CAP
E
.375 ± .010 DIA.
(9,53
± 0,25)
HEX MTG NUT
.312 (7,92)
ACROSS FLATS
.062 (1,57)
THICK
LABEL*
.230 REF.
(5.8)
*PART NUMBER
AND E.I.A. DATE
CODE LABEL
—–
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
Normally Open–SPST With
Overtravel
30-15
30-37
DIMENSIONS ininches(andmillimeters)
Normally Open–SPST With
Positive Feel
30-17*
Normally Open–SPST With
Push-Pull
30-16*
Mtg.
Hole
Total
Travel
Action Actuating
Force (oz.)
Button
Color
30-15 Red
30-37 Black
Part
Number
Operations
at Rated
Load
Rating at
115 Vac
Resistive
Rating at
220 Vac
Resistive
8±4
Button
Color
Operations
at Rated
Load
Rating at
115 Vac
Resistive
Rating at
220 Vac
Resistive
1Amp1/2Amp100,000
*Complete
Part
Number
30-16RED Red
30-16BLK Black
Mtg.
Hole
Total
Travel
Action Actuating
Force (oz.)
Push-to-Make  56±16
Momentary .125+.020/-.010 17/64"
.020"Overtravel(3,18+0,51/-0,25) (6,75)
1Amp 1/2Amp 500,000
.145±.015 31/64"
(3,68±0,38) (12,30)
C
.162 ± .005
(4,11 ± 0,13)
A
1.077
(27,36)
REF.
1/4-32 UNEF-2A
THREAD
.375
± .005
(9,53 ± 0,13)
D
B
A = .150 ± .015
(3,81 ± 0,38)
B = .250 ± .010
(6,35 ± 0,25)
C = .455 ±.015
(11,56 ± 0,38)
D = .222 ± .020
(5,64 ± 0,51)
HEX NUT
(SEE H)
H = HEX NUT
3/8 ± .010 (9,53 ± 0,25)
ACROSS FLATS
3/32 ± .010 (2,38 ± 0,25)
THICK
LABEL*
.186 REF.
(4.7)
*PART NUMBER
AND E.I.A. DATE
CODE LABEL
.390±.010
(9,91±0,25)
15/32-32
UNS-2A
THREAD
A=.392±.015
(9,96±0,38)
B=.421±.015
(10,69±0,38)
C=.315±.015
(8,00±0,38)
D=.222±.020
(5,64±0,51)
E=.205(5,21)
REF.
HEXNUT(2)
(SEEH)
A
E
1.35
(34,3)
REF.
D
C
B
H=HEXNUT
9/16±.010(14,29±0,25)
ACROSSFLATS
3/32±.010(2,38±0,25)THICK
LABEL*
.186REF
(4.7)
*PARTNUMBER
ANDE.I.A.DATE
CODELABEL
.187±.005
(4,75±0,13)
A
1.45
(36,8)
REF.
15/32-32
UNS-2A
THREAD
D
C
B
A=.493±.015
(12,52±0,38)
B=.421±.015
(10,69±0,38)
C=.315±.015
(8,00±0,38)
D=.222±.020
(5,64±0,51)
HEXNUT(2)
(SEEH)
H=HEXNUT
9/16±.010(14,29±0,25)
ACROSSFLATS
3/32±.010(2,38±0,25)THICK
LABEL*
.186REF
(4.7)
*PARTNUMBER
ANDE.I.A.DATE
CODELABEL
Rating at
115 Vac
Resistive
Rating at
220 Vac
Resistive
30-17RED Red
30-17BLK Black
Button
Color
*Complete
Part
Number
Operations
at Rated
Load
1Amp 1/2Amp 200,000
Action Mtg.
Hole
Total
Travel
Actuating
Force (oz.)
Over
Travel
18±4
Momentary .156±.015 .046(1,17) 31/64"
Pos.Feel (3,96±0,38) Min. (12,30)
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
DIMENSIONS ininches(andmillimeters)
Normally Closed–SPST With
Push-Pull
30-32
ACCESSORIES
Button Cap and Guard
Thebuttoncapisavailablein3colors:partnumber
30B1012-5 is red; part number 30B1012-8 is
white;andpartnumber30B1012-9isblack.Itmay
befastenedtothebuttonwithadhesive.Itmay
beusedwiththefollowingSeries30switches:
30-1,30-1UL,30-2,30-2UL,30-3,30-3UL,30-15,
30-37,30-601BLK,and30-601RED.
The button guard, part number 10C1015-1 is
madetobeusedwith15/32"(11,91)inchdiameter
switchestopreventunintentionalactuation.Itmay
beusedwiththefollowingSeries30switches:
30-16BLK,30-16RED,30-17BLK,30-17RED,
30-32BLK,and30-32RED
Decorative Mounting Nuts
PartNumber30C1023-1ismadeforswitches
with1/4"(6,35)inchdiameterbushings.Itmay
beusedwiththefollowingSeries30switches:
30-1,30-1UL,30-2,30-2UL,30-3,30-6,30-15,
30-37,30-251BLK,30-251RED,30-252BLK,
30-252RED,30-601BLKand30-601RED.
PartNumber07C1040-1ismadeforswitches
with15/32"(11,91)inchdiameterbushings.Itmay
beusedwiththefollowingSeries30switches:
30-16BLK,30-16RED,30-17BLK,30-17RED,
30-32BLKand30-32RED.
SPECIFICATIONS
Rating Criteria
ForULrecognizedswitches,seeindividualswitch
chart.FilenumberisE35289.
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°to+85°C
Mounting Torque: 2inch-pounds
Switch Materials and Finishes
Mounting Nut and Cover Bushing: Brass,
tinzinc
Button
Color
Operations
at Rated
Load
Rating at
115 Vac
Resistive
Rating at
220 Vac
Resistive
1Amp1/2Amp100,000 30-32RED Red
30-32BLK Black
Mtg.
Hole
Total
Travel
Action Actuating
Force (oz.)
Part
Number
Pull-to-Make 56±16
Part Description
Number and Button Color
30-1* N.O.,Standard,Red
30-2* N.C.,Standard,Black
30-3* N.O.,Black
30-6* N.C.,Red
30-15 N.O.,Overtravel,Red
30-16 BLK PushtoMake,Black
30-16 RED PushtoMake,Red
30-17 BLK N.O.,PositiveFeel,Black
30-17 RED N.O.,PositiveFeel,Red
30-32 BLK PulltoMake,Black
30-32 RED PulltoMake,Red
30-37BLK N.O.,Overtravel,Black
30-251 BLK N.O.,Sealed,Black
30-251 RED N.O.,Sealed,Red
30-252 BLK N.C.,Sealed,Black
30-252 RED N.C.,Sealed,Red
30-601 BLK N.O.,Economy,Black
30-601 RED N.O.,Economy,Red
Accessory
Part Number Description
30B1012-5 AccessoryCap,Red
30B1012-8 AccessoryCap,White
30B1012-9 AccessoryCap,Black
30C1023-1 AccessoryNut
07C1040-1 AccessoryNut
10C1015-1 ButtonGuard
Accessory Cap
30B1012-5
30B1012-8
30B1012-9 Button Guard
10C1015-1 Decorative Mounting Nuts
07C1040-1
30C1023-1
CIRCUITRY
ORDERING INFORMATION
*Add“UL”sufxtopartnumberforULrecognized
switches.
.145±.015 31/64"
(3,68±0,38) (12,30)
Base: Thermosetplastic
Button:Polyesterfor30-16and30-32;Phenolic
for30-17,30-1UL,30-2,30-2UL,30-3UL,30-6
and30-6UL;Polycarbonateforallothers.
Shorting Bar:Brasswithgoldovernickelplating
for30-601;brasswithnesilvercontactsurface
forallothers.
Terminals:Brasswithgoldovernickelplatingfor
30-601;commercialbrasswithnesilvercontact
surfaceandsilver-platedforallothers.
Spring: Tinnedmusicwire
Button Cap:Nylonfor30-17;Polyethylenefor
30-251and30-252.
Detent Balls:Carbonsteel,nickel-plated
Terminal Type:Solderlug
O-Ring Seal: (30-251, 30-252) Nitrile per
MIL-P-5516
1.87–.005
(4,75–0,13)
A
1.36
(34.5)
REF.
15/32-32
UNS-2A
THREAD
D
C
B
A=.493–.015
(12,52–0,38)
B=.421–.015
(10,69–0,38)
C=.225–.015
(5,72–0,38)
D=.222–.020
(5,64–0,51)
HEXNUT(2)
(SEEH)
H=HEXNUT
9/16–.010(14,29–0,25)
ACROSSFLATS
3/32–.010(2,38–0,25)THICK
LABEL*
*PARTNUMBER
ANDE.I.A.DATE
CODELABEL
SPST N.C.
Mouser Electronics
Authorized Distributor
Click to View Pricing, Inventory, Delivery & Lifecycle Information:
Grayhill:
07C1040-1 10C1015-1 30-1 30-15 30-16 BLK 30-16 RED 30-17 BLK 30-17 RED 30-1-E 30-1UL 30-2 30-251
BLK 30-251 RED 30-252 BLK 30-2UL 30-3 30-32 BLK 30-32 RED 30-37 30-37-E 30-3UL 30-6 30-601 BLK 30-
601 RED 30-6UL 30B1012-5 30B1012-8 30B1012-9 30C1023-1 30-6-E 30-2-E 30-252 RED