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

Action

Actuating

Force (oz.)

Total

Travel

.035±.015

(0,89±0,38)

Rating at

28 Vdc

Resistive

Operations

at Rated

Load

Button

Color

150mA

1,000,000

39-501RED

Red

39-501BLK

Black

39-503RED

Red

39-503BLK

Black

Mounting Footprint

39-501*

39-503*

Right Angle, SPST–Normally Open

*Complete

Part

Number

Momentary

4

ACCESSORIES

30B1012-5

30B1012-8

30B1012-9

Part No.

Type & Button Color

39-401 RED

N.O.,Red

39-401 BLK

N.O.,Black

39-405 RED

N.O.,NoNut,Red

39-405 BLK

N.O.,NoNut,Black

39-424 RED

N.O.,Overtravel,Red

39-424 BLK

N.O.,Overtravel,Black

39-501 RED

N.O.,RightAngle,Red

39-501 BLK

N.O.,RightAngle,Black

39-503 RED

39-501Red&CapSeal

39-503 BLK

39-501Blk&CapSeal

39-138 RED

39-351PCMount&Seal

39-138 BLK

39-351PCMount&Seal

ORDERING INFORMATION

Accessory

Part Number

Description

30B1012-5

RedAccessoryCap

30B1012-8

WhiteAccessoryCap

30B1012-9

BlackAccessoryCap

SHH1699

CapSealOnly,Black

SPECIFICATIONS

Rating Criteria

Contact Resistance:25milliohmsmaximum

onanewswitch

Voltage Breakdown: 1,000 Vac between

mutuallyinsulatedparts

Insulation Resistance: 1,000 megohms

minimum

Operating Temperature:-40°Cto+85°C

AvailablefromyourlocalGrayhillDistributor.Forpricesanddiscounts,contactalocalSalesOffice,anauthorizedDistributororGrayhill.

Protectivecap

(includedwith39-503

REDand39-503BLK)

sealsswitchduring

wavesoldering.

+4

–2

CIRCUITRY

HOLESFOR

.020(0,51)

SQUAREPINS(4)

.100

(2,54)

.200

(5,08)

.100(2,54)

.300

(7,62)

.050(1,27)

.110 (2,79)

± .010 (0,25) DIA.

.175 +.025/ –.020

(4,45 +0,64/ – 0,51)

A = .125 ± .010

(3,18 ± 0,25)

.600

(15,24)

REF.

.100 (2,54) REF.

.250 + .010/ –.005

(6,35 + 0,25/ – 0,13) DIA.

A

B

C

.315 ± .010

(8,00 ± 0,25)

.300 ± .005

(7,62 ± 0,13)

.089

(2,26)

MIN.

C = .060 ± .005

(1,52 ± 0,13)

.075 ± .010

(1,91 ± 0,25)

.300 (7,62)

REF.

.050 ± .010

(1,27 ± 0,25)

.140 ± .015

(3,56 ± 0,38)

.200 ± .005

(5,08 ± 0,13)

.050 (1,27)

REF.

B = .215 ± .015

(5,46 ± 0,38)

E.I.A.

DATE

CODE

LABEL*

*Label increases

nominal diameter

to .255 (6,48)

SPST N.O.

Materials and Finishes

Bushing/Housing:Aluminum,clearanodized

for39-138;Brass,tinzincforallothers

Standoff:(39-501and39-503)Brass,tinplated

overnickel

Base and Button:Thermoplastic

Shorting Bar: Brass, gold-plated over nickel

plate for 39-501and 39-503; fine silver, gold-

platedforothers

Terminals:Finesilver,gold-platedfor39-138;

Brass,gold-platedovernickelforallothers

Spring:Tinnedmusicwire

Mounting Nut: (39-401 and 39-424) Brass,

zinctrivalentchromate-plated

.110 ± .005 DIA.

(2,79 ± 0,13)

.312±.005

(7,92±0,13)

ACROSS FLATS

.110 ± .005

(2,79 ± 0,13)

.692 REF

(17,58)

A=.175+.025/-.020 (4,45+0,64/-0,51)

B=.125±.010 (3,18±0,25)

C=.250±.015 (6,35±0,38)

D=.135±.005 (3,43±0,13)

A

B

C

D

#8-40 UNS-2A

THREAD

HEX MTG. NUT

.0625 (1,59) THICK

.218 (5,54) ACROSS FLATS

E.I.A. DATE CODE

.020±.002

(,508±,051)

SQUARE TYP

SPST–Normally Open, with Panel and Button Seal

39-138*

Rating at

115 Vac

Resistive

Operations

at Rated

Load

Button

Color

39-138RED

Red

39-138BLK

Black

½Amp

250,000

*Complete

Part

Number

Action

Actuating

Force (oz.)

Total

Travel

.035±.015

(0,89±0,38)

Momentary

16±8

SHH1699