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 39

SPST, 150 mA

FEATURES

•1/4"Diameter

•Upto1,000,000

CyclesofOperation

•PCMount

Rating at

28 Vdc

Resistive

Operations

at Rated

Load

Button

Color

39-424RED

Red

39-424BLK

Black

150mA

100,000

Total

Travel

Action

SPST–Normally Open, with Overtravel

39-424*

*Complete

Part

Number

Actuating

Force (oz.)

Over

Travel

SPST–Normally Open, with Nut

39-401*

SPST–Normally Open, without Nut

39-405*

Rating at

28 Vdc

Resistive

Operations

at Rated

Load

Button

Color

39-401RED

Red

39-401BLK

Black

150mA

1,000,000

*Complete

Part

Number

Action

Actuating

Force (oz.)

Total

Travel

.035±.015

(0,89±0,38)

Action

Rating at

28 Vdc

Resistive

Operations

at Rated

Load

Button

Color

Actuating

Force (oz.)

Total

Travel

39-405RED

Red

39-405BLK

Black

150mA

1,000,000

*Complete

Part

Number

.035±.015

(0,89±0,38)

Momentary

4

+4

–2

Momentary

4

+4

–2

.130±.025.015(0,38)

(3,30±0,64)

Min.

Momentary

5±3

.250 +.010/ –.005

(6,35 + 0,25/ – 0,13)

DIAMETER

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

B = .125 ± .010 (3,18 ± 0,25)

C = .215 ± .015 (5,46 ± 0,38)

D = .125 ± .010 (3,18 ± 0,25)

.100 ± .010 (2,54 ± 0,25)

.110 ± .005

(2,79 ± 0,13) DIA.

.640 (16,26)

REF.

A

B

C

D

8-40 UNS-2A

THREAD

TERMINALS ARE

.020 (0,50) SQUARE

E.I.A. DATE

CODE LABEL*

*Label increases

nominal diameter

to .255 (6,48)

.250 +.010/ –.005

(6,35 +0,25/ – 0,13)

DIAMETER

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

B = .125 ± .010 (3,18 ± 0,25)

C = .215 ± .015 (5,46 ± 0,38)

D = .125 ± .010 (3,18 ± 0,25)

.100 ± .010 (2,54 ± 0,25)

.110 ± .005

(2,79 ± 0,13) DIA.

.640 (16,26)

REF.

A

B

C

D

8-40 UNS-2A

THREAD

TERMINALS ARE

.020 (0,50) SQUARE

H = HEX MTG NUT

.219 ± .010 (5,56 ± 0,25)

ACROSS FLATS

.063 ± .010 (1,59 ± 0,25)

THICK

H

E.I.A.

DATE

CODE

LABEL*

*Label increases

nominal diameter

to .255 (6,48)

.110 ± .005

(2,79 ± 0,13) DIA.

.780 (19,81)

REF.

A

B

C

D

.250 +.010/ –.005

(6,35 +0,25/ – 0,13)

DIAMETER

TERMINALS ARE

.020 (0,50) SQUARE

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

B = .125 ± .010 (3,18 ± 0,25)

C = .355 ± .015 (9,02 ± 0,38)

D = .125 ± .010 (3,18 ± 0,25)

.100 ± .010 (2,54 ± 0,25)

H = HEX MTG NUT

.219 ± .010 (5,56 ± 0,25)

ACROSS FLATS

.063 ± .010 (1,60 ± 0,25)

THICK

8-40 UNS-2A

THREAD

H

E.I.A.

DATE

CODE

LABEL*

*Label increases

nominal diameter

to .255 (6,48)