Prodotti del Marchio Magnat Audio

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

39-2

39-2 Black

Operations

at Rated

Load

Rating at

220 Vac

Resistive

Cap

Color

Rating at

115 Vac

Resistive

Part

Number

/4Amp

1

/8Amp250,000

Mtg.

Hole

Total

Travel

Actuating

Force (oz.)

+4

–2

Action

Momentary 4

 .042±.010 .172

 (1,07±0,25) (4,37)DIA.

Normally Closed–SPST with Sealed Bushing and Button

39-352*

39-352RED Red

39-352BLK Black

Operations

at Rated

Load

Rating at

220 Vac

Resistive

Button

Color

Rating at

115 Vac

Resistive

/4Amp

1

/8Amp100,000

*Complete

Part

Number

Actuating

Force (oz.)

Total

Travel

Action

 Momentary  8±4

.042±.010

(0,17±0,25)

CIRCUITRY

SPST–N.O. WITH OVERTRAVEL

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

Mounting Torque:2inch-pounds

Materials and Finishes

Mounting Nut:Brass,tinzinc

Housing: Aluminum, clear anodized for

39-351 and 39-352; Brass, zinc trivalent

chromate-platedforothers

Button:Thermosetplastic

Base:Thermosetplastic

Shorting Bar:Finesilverfor39-2and39-352;

brass,gold-platedovernickelplatefor39-601;

nesilver,gold-platedforothers

Terminals: Fine silver for 39-2 and 39-352;

commercialbronzewithgold-platednesilver

contactsurfaceforothers

Spring:Tinnedmusicwire

O-Rings:(39-351and39-352)Internalringis

silicone;externalringisbuna‘N’

Accessory

Part Number Description



30B1012-5 RedButtonCap

30B1012-9 BlackButtonCap

30B1012-8 WhiteButtonCap

Part Number Description

39-1  N.O.,RedButton

39-2  N.C.,BlackButton

39-3 N.O.,BlackButton

39-12  N.O.,OvertravelRedButton

39-24 N.O.,OvertravelBlackButton

39-351 RED  N.O.,Sealed,RedButton

39-351 BLK N.O.,Sealed,BlackButton

39-352 RED N.C.,Sealed,RedButton

39-352 BLK  N.C.,Sealed,BlackButton

39-601 RED N.O.,Economy,RedButton

39-601 BLK N.O.,Economy,BlackButton

ORDERING INFORMATION

Accessory cap maybeusedwith all switches

shownexcept39-2.

ACCESSORY

Button Cap

PartNo.30B1012

Forusewithpartnumbers

39-351and39-352.

(Fastentobuttonwith

CyanoacrylateAdhesive)

.105–.005

(2,67–0,13)DIA.

.780(19,81)

REF.

8-40UNS-2A

THREAD

.250+.010/ .005

(6,35+0,25/ 0,13)

DIAMETER

A=.175–.025(4,45–0,64)

B=.125–.010(3,18–0,25)

C=.390–.010(9,91–0,25)

D=.100(2,54)MAX.

H=HEXMTGNUT

.063–.010(1,60–0,25)

THICK

.219–.010(5,56–0,25)

ACROSSFLATS

E.I.A.

DATE

CODE

LABEL*

*Labelincreases

nominaldiameter

to.255(6,48)

.819

(20,80)

REF.

.312–.005

(7,92–0,13)

ACROSS

FLATS

A=.165+.035/ .015

(4,19+0,89/ 0,38)

B=.125–.007

(3,18–0,18)

C=.429–.015

(10,90–0,38)

D=.100(2,54)MAX.

E=10 TO40

APPROX.

.110–.005DIA.

(2,79–0,13)

#8-40UNS-2ATHREAD

.100–.010(2,54–0,25)

.060–.010(1,52–0,25)

.100(2,54)MAX.

H=HEXMTG.NUT

.0625(1,59)TYP.

THICKAND

.218(5,56)TYP.

ACROSSFLATS

O-RING

.250+.010/ .005

(6,35+0,25/ 0,13)

E.I.A.

DATE

CODE

LABEL*

*Labelincreasesnominaldiameterto.255(6,48)

Buttoniso-ring

sealedinternally.

SPST N.O.

.060±.010

(1,52±0,25)

.100±.010

(2,54±0,25)

SPST N.C.