Butt Contact Pushbutton Switches
SERIES 04
4PST
FEATURES
•ꢀJoyꢀStickꢀAction
•ꢀPositionꢀLocatorꢀOnꢀCRTꢀScreens
•ꢀMovesꢀCursorꢀOnꢀMenuꢀDisplay
DIMENSIONS in inches (and millimeters)
Basic Switch
Bat Handle
04A
04A-B01
.375 .ꢀꢀ5
(9,53 ꢀ,ꢁ3ꢂ ꢃDI.
.187 .010
(4,75 0,25)
.188 .005
(4,78 0,13)
DIAMETER
.469 .ꢀꢁꢀ
(ꢁꢁ,9ꢁ ꢀ,ꢄ5ꢂ
.460 .010
(11,68 0,25)
.850 (21,59)
SQUARE
ꢁ.ꢄꢁ9 .ꢀꢄꢀ
(3ꢀ,96 ꢀ,5ꢁꢂ
.550 .010
(13,97 0,25)
.125 (3,18) RADIUS
4 PLACES
E.I.A.
DATE
CODE
Keycap
.020 .010
(0,51 0,25)
.150 .010
(3,81 0,25)
04A-K01
.040 (1,02) DIA.
.7ꢄ5 .ꢀꢁꢀ
(ꢁ8,4ꢄ ꢀ,ꢄ5ꢂ ꢅSQIAR
.ꢀ(6 +.ꢀꢀꢀ/ –.ꢀꢀ1
ꢁ1417 + 9ꢀ/ – ꢀ4ꢀꢂꢃ
Recommended Interface
.487 .ꢀꢁꢀ
Forcustomerswhoprefertopurchaseordesign
separate keycaps, Grayhill recommends the
dimensionsshownheretoacquirepartswhichwill
matewellwiththebasicswitch,partnumber04A.
(ꢁꢄ,37ꢂ ꢀ,ꢄ5ꢂ
.195 .ꢀꢀ5 ꢁ(495 ꢀ.1ꢂꢃ
ꢁ.3ꢁ5 .ꢀꢄꢀ
(33,4ꢀ ꢀ,5ꢁꢂ
SPEꢀIFIꢀATIONS
Rating ꢀriteria
Materials and Finishes
ꢀIRꢀUITRY
Base,ꢀCoverꢀandꢀSwitchꢀActuator:ꢀPolyesterꢀ(Black)
Terminals:ꢀBrass,ꢀgold-platedꢀoverꢀnickelꢀ
ShortingꢀBar:ꢀPhosphorꢀbronze,ꢀgold-platedꢀoverꢀnickel
Spring:ꢀTinnedꢀmusicꢀwire
Rated:ꢀMakeꢀandꢀbreakꢀ250ꢀmAꢀatꢀ115ꢀVacꢀorꢀ125ꢀmAꢀatꢀ
220ꢀVacꢀresistiveꢀloadꢀforꢀ500,000ꢀoperations
ContactꢀResistance:ꢀ25ꢀmilliohmsꢀmaximumꢀonꢀaꢀnewꢀswitch
InsulationꢀResistance:ꢀ1,000ꢀmegohmsꢀatꢀ100ꢀVdc
DielectricꢀStrength:ꢀ500ꢀVacꢀRMSꢀminimumꢀ
OperatingꢀTemperature:ꢀ-40°Cꢀtoꢀ+85°
.250 .0ꢀ0
(6,35 0,25ꢁ
Footprint
Keycap:ꢀABSꢀorꢀequivalent
Bat-Handle:ꢀABS
.500 (ꢀ2,7ꢁ TYP.
ActuationꢀForce:ꢀ13ꢀoz.ꢀꢀ+ꢀ/ꢀ-ꢀꢀ3ꢀoz.
Actuationꢀtravel:ꢀ0.095”ꢀ+ꢀ/ꢀ-ꢀꢀ.020”
Actuationꢀleverꢀstopꢀstrength:ꢀ20ꢀlbs.ꢀmin.
ORDERING INFORMATION
Description
Part No.
04A
BasicꢀSwitchꢀ
SwitchꢀwithꢀArrowheadꢀKeycapꢀꢀ 04A-K01
SwitchꢀwithꢀBat-Handleꢀꢀ
04A-B01*
*Shippedꢀwithꢀbatꢀhandleꢀpermanentlyꢀattached.
AvailableꢀfromꢀyourꢀlocalꢀGrayhillꢀDistributor.
Forꢀpricesꢀandꢀdiscounts,ꢀcontactꢀaꢀlocalꢀSalesꢀOffice,ꢀ
anꢀauthorizedꢀlocalꢀDistributorꢀorꢀGrayhill.
Grayhill, Inc.
• 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com