88AB2-143 Grayhill Inc, 88AB2-143 Datasheet - Page 3

• Manufacturer Part Number: 88AB2-143
• Description: KEYPAD 12 KEY W/BLK-WHT LEGEND
• Manufacturer: Grayhill Inc
• Series: 88r

Specifications of 88AB2-143

• Switch Type: Snap Dome
• Number Of Keys: 12
• Matrix (columns X Rows): 3 x 4
• Output Type: Matrix
• Key Type: Polyester Overlay
• Legend: Telephone Format
• Interchangeable Legends: No
• Illumination: Non-Illuminated
• Seal Rating: IP42
• Keypad Array: 3 X 4
• Contact Voltage Dc Nom: 24V
• Contact Current Max: 10mA
• Keypad Output: Matrix
• Panel Cutout Width: 55.88mm
• Panel Cutout Height: 76.2mm
• Housing Material: ABS
• Color, Housing: Black
• Height: 3.000 ± 0.015 in.
• Mounting Type: Flange Mount
• Resistance, Contact: 10 Ohms (Max.)
• Size: 3 x 4 in.
• Temperature, Operating: -30 to +80 °C
• Voltage, Rating: 24 VDC
• No. Of Keys: 12
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: GH5012

FEATURES
• Sealed Keyboard
• Colorful Graphic Overlay
• Audible, Snap-Dome Contact
• User Legendable Styles
• 3,000,000 Operations per Button
• Optional Panel Seal Gasket to
SERIES 88
Sealed, Flange Mounted
DIMENSIONS
Termination
Keypads
Protect Your Equipment
5x4 Keyboard
5x4 Keyboard
34
.100 ± .010
(2,54 ± 0,25)
.380 (9,65)
SQ. TYP.
± 0,38)
.500 .010
(12,7 ± 0,25)
(3 EQ. SPS)
TOL. NON-
ACCUM.
3.000
± .015
(76,2
.150 ± .005
(3,81 ± 0,13) R.
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois
.600 ± .010
(15,24 ± 0,25)
.105 ± .010
(2,67 ± 0,25)
(19,05 ± 0,25)
.750 ± .010
± 0,25)
(71,12
2.800
± .010
In inches (and millimeters)
In inches (and millimeters)
11 12 13 14 15
16 17 18 19 20
Standard Keypads
1
6
A
(75,95 + .000 - 0,25)
2.990 + .000 - .010
COL = COLUMN
D E F
2
7
(81,28 ± 0,25)
(76,2 ± 0,25)
3.000 ± .010
3.200 ± .010
.100 (2,54)
J K L
.500 ± .010 (12,7 ± 0,25)
(4 EQ. SPS.) TOL. NON-
ACCUM.
8
3
C
L OF 3.200 (8,13) DIM.
TYP.
P Q R
9 10
4
U V W
5
ROW 1
ROW 2
ROW 3
ROW 4
.093 ± .005
(2,36 ± 0,13)
DIA. 4 PLS.
BUTTON NO. 1
.220 ± .010
(5,59 ± 25,4)
RETAINING
STUDS
.055 ± .010
(1,40 ± 0,25)
(68,33 + .000/
2.690 + .000/
- 0,25)
- .010
60525-5997 • USA • Phone: [phone] • Fax: [phone] • www.grayhill.com
SWITCH KEY
IDENTIFICATION
(FOR REF. ONLY)
Code and Truth Table
Dots in the chart indicate connected terminals when switch is closed.
Terminals are identified on the keyboard.
5x4
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
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P N K G F J L M H
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Matrix
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.072
± .010
(1,83
± 0,25)
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BUTTON AREAS ARE EMBOSSED
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T P M H D U Q L G C V R K F B W S J E A N
.128 ± .010
(3,25 ± 0,25)
.280 ± .010
(7,11 ± 0,25)
.025 ± .002
(0,64 ± 0,05)
SQUARE
TERMINAL
•
.360 ± .010
(9,14 ± 0,25)
TERMINAL LOCATION
•
Single Pole/Common Bus
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CODES
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