88AB2-143 Grayhill Inc, 88AB2-143 Datasheet - Page 2

• 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

DIMENSIONS
Termination
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois
SERIES 88
Sealed, Flange Mounted
FEATURES
• Sealed Keyboard
• Colorful Graphic Overlay
• Audible, Snap-Dome Contact
• User Legendable Styles
• 3,000,000 Operations per Button
• Optional Panel Seal Gasket to
4x4 Keyboard
4x4
Protect Your Equipment
.100 ± .010
(2,54 ± 0,25)
± 0,38)
3.000
± .015
(76,2
(71,12
± 0,25)
In inches (and millimeters)
2.800
± .010
In inches (and millimeters)
.500 .010
(12,7 ± 0,25)
(3 EQ. SPS)
TOL. NON-
ACCUM.
.150 ± .005
(3,81 ± 0,13) R.
.380 (9,65)
SQ. TYP.
.600 ± .010
(15,24 ± 0,25)
.105 ± .010
(2,67 ± 0,25)
.200 ± .010
(5,08 ± 0,25)
(19,05 ± 0,25)
.750 ± .010
.050 ± .003
(1,27 ± 0,08)
.100 (2,54)
A B
(68,58 ± 0,25)
TYP.
2.500 ± .010
(63,5 ± 0,25)
2.700 ± .010
E F G
C L OF 2.700 (68,58) DIM.
K L M
13 14 15 16
(63,25 + .000 - 0,25)
1
5
9 10 11 12
2.490 + .000 - .010
COL = COLUMN
R S T
6
2
.500 ± .010 (12,7 ± 0,25)
(3 EQ. SPS.) TOL. NON-
ACCUM.
7
3
60525-5997 • USA • Phone: [phone] • Fax: [phone] • www.grayhill.com
8
4
BUTTON NO. 1
.093 ± .005
(2,36 ± 0,13)
DIA. 4 PLS.
.220 ± .010
(5,59 ± 25,4)
RETAINING
STUDS
ROW 1
ROW 2
ROW 3
ROW 4
.055 ± .010
(1,40 ± 0,25)
(68,33 + .000/
2.690 + .000/
- 0,25)
- .010
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.
4x4
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
H G F E M L K J
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Matrix
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Standard Keypads
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•
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.072
± .010
(1,83
± 0,25)
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TERMINAL LOCATION
BUTTON AREAS ARE EMBOSSED
•
P J E A R L F B S M H C T N G D K
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CODES
•
Single Pole/Common Bus
•
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.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)
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Keypads
33