Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois

60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com

Standard Keypads

3x4 Keyboard

3x4

Code and truth table

Dots in the chart indicate connected terminals

whenswitchisclosed.Terminalsareidentifiedon

thekeyboard.

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1

2

3

4

5

6

7

8

9

10

11

12

CODES

3x4

Matrix

Single Pole/Common Bus

TERMINAL LOCATION

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F E D K J H G J E A K F B L G C M H D N

SerieS 86

unsealed, .500" Centers,

Flange mounted

FeatureS

•FlangeMounted

•TopSurfaceorSubSurface

Mounting

•Snap-DomeContactProvides

PositiveFeedback

.128–.010

(3,25–0,25)

.072–.010

(1,83–0,25)

.360–.010

(9,14–0,25)

12

3

45

6

78

9

10 11 12

ROW1

ROW2

ROW3

ROW4

COL=COLUMN

2.690

+.000

.010

(68,33

+0,00

0,25)

1.990+.000 .010

(50,55+0,00 0,25)

.055–.010

(1,40–0,25)

.500–.010

(12,7–0,25)

TOL.

.600

–.010

(15,24

–0,25)

.750–.010

(19,05–0,25)

.500–.010

(12,7–0,25)

3EQ.SPS.

NON-ACCUM.

.366–.010

(9,30–0,25)

SQUARE

BUTTON

.105–.010

(2,67–0,25)

.150–.005

(3,81–0,13)

R.

SWITCHKEY

IDENTIFICATION

FORREF.ONLY

3.000

–.015

(76,2

–0,38)

2.800

–.010

(71,12

–0,25)

2.000–.010

(50,8–0,25)

2.200–.015

(55,88–0,38)

.100–.010

(2,54–0,25)

.200–.010

(5,08–0,25)

BUTTON

NO.1

RETAINING

STUDS

.093–.005

(2,36–0,13)

DIA.

4PLACES

OF2.200(55,88)

CL

.096

(2,44)

.050(1,27)

.280–.010

(7,11–0,25)

.025–.002

(0,64–0,05)

SQUARE

TERMINAL

.100(2,54)

TYP.

BUTTON

NO.1

RETAINING

STUDS

.220–.010

(5,59–0,25)

ABCF GHL MN

2.200–.015

(55,88–0,38)

OF2.200(55,88)

CL

Matrix TERMINAL PIN-OUT

D E F G H J K

.100

TYP.

.600

TERMINAL PIN-OUT

SINGLE POLE/COMMON BUS

A B C D E F G H J K L M N

.100

TYP.

1.200