mountingꢀpanelꢀbyꢀutilizingꢀtheꢀpanelꢀsealꢀkit.Theseꢀswitchesꢀ
Multi-Deck Rotary Switches
SERIES 42
1" Diameter, 1 Amp, PC Moꢀnt
FEAꢁuRES
•ꢀSatisfiesꢀHighꢀCurrentꢀBoardꢀLevelꢀꢀ
Applications
•ꢀ36°ꢀAngleꢀofꢀThrowꢀPermitsꢀupꢀtoꢀꢀ
TenꢀPositions
•ꢀULꢀRecognizedꢀVersions
DIMENSIONS inꢀinchesꢀ(andꢀmillimeters)
DIM. A + .046 – .020
(+1,1ꢁ –0,00ꢀ
Standard Style
.4ꢂꢁ .020
(11,10 0,51ꢀ
1.000 .010
(25,4 0,25ꢀ
DIA.
DIM. B REF.
STUD
PROJEꢄTION
.1ꢁ4 .010
(4,42 0,25ꢀ
C
C C
.ꢁꢃ6 .010
(19,96 0,25ꢀ
DIA.
L
L
L
.600 .0ꢂ1
(15,24 0,ꢁ9ꢀ
.1ꢁ4
.010
(4,42
0,25ꢀ
#1 THREAD
.250 .020
.500 .015
(12,ꢁ 0,ꢂꢃꢀ
TYP.
(6,ꢂ5 0,51ꢀ
.219
.005
(5,56
0,1ꢂꢀ
1
.ꢃꢂ0
.010
(21,0ꢃ
0,25ꢀ
9
2
.ꢁ50 .010
ꢃ
(19,05 0,25ꢀ
TYP.
ꢁ
4
6
.250 + .001 –.002
(6,ꢂ5 + 0,0ꢂ –0,05ꢀ
DIA.
.ꢂꢁ5 .015
(9,5ꢂ 0,ꢂꢃꢀ TYP.
ꢄOMMON LUG
.250 .015
(6,ꢂ5 0,ꢂꢃꢀ TYP.
.1ꢃꢁ .015
(4,ꢁ5 0,ꢂꢃꢀ TYP.
INTEGRAL ASSEMBLY NUT,
DO NOT REMOVE
TERMINAL DIMENSIONS AT THIS
POINT ARE .050 .005 (1,2ꢁ 0,1ꢂꢀ
WIDE BY .020 .00ꢂ (0,51 0,0ꢃꢀ THIꢄK
BUSHING KEYWAY
.066 .002 (1,6ꢃ 0,05ꢀ WIDE BY
.0ꢂ6 .00ꢂ (0,91 0,0ꢃꢀ DEEP
FROM A .ꢂꢁ5 (9,5ꢂꢀ DIA.
.ꢁꢂ5 .010
(1ꢃ,6ꢁ 0,25ꢀ TYP.
C
OF BUSHING
KEYWAY
L
1.4ꢁ0 .020
(ꢂꢁ,ꢂ4 0,51ꢀ
TYP.
Grayhillꢀpartꢀnumberꢀandꢀdateꢀcodeꢀmarkedꢀonꢀdetentꢀcoverꢀlabel.ꢀCustomerꢀpartꢀnum-
berꢀmarkedꢀonꢀrequest.ꢀULꢀrecognizedꢀmarkingꢀasꢀrequired.
ꢂ/ꢃ-ꢂ2 UNEF-2A THREAD
(MTG. HOLE=ꢂ/ꢃ DIA. MIN.ꢀ
CIRCuIꢁ DIAGRAM: PC Moꢀnt
Switch is Viewed From Shaft End
PC BOARD MOuNꢁING PAꢁꢁERN
SHAFꢁ AND PANEL SEAL: Srs. 42 & 44
Standard Style
TheꢀSeriesꢀ42/44ꢀStyles,ꢀwhichꢀincludeꢀtheꢀletterꢀ"S"ꢀwithꢀ
theꢀexceptionꢀofꢀstyleꢀ"HS",ꢀareꢀwatertightꢀsealedꢀtoꢀtheꢀ
Shownꢀforꢀaꢀtwoꢀdeckꢀswitch
and Shown in Position No. 1
Note:ꢀAllꢀcommonꢀterminalsꢀareꢀlocatedꢀaboveꢀ
baseꢀterminalsꢀasꢀshown.ꢀ
C
OFꢀFRONTꢀSUPPORTꢀ
PLATEꢀMOUNTINGꢀ
HOLES
L
OFꢀBASE
TERMINAL
MOUNTINGꢀ
HOLES
C
L
areꢀbuiltꢀwithꢀaꢀfrontꢀplateꢀthatꢀdoesꢀnotꢀhaveꢀaꢀnon-turnꢀtab.ꢀ
Theꢀpanelꢀsealꢀkitꢀconsistsꢀofꢀaꢀgroovedꢀhexꢀnut,ꢀaꢀkeyedꢀ
washerꢀandꢀaꢀkeyedꢀpanelꢀseal.ꢀTheꢀgroovedꢀhexꢀnutꢀisꢀ
assembledꢀtoꢀtheꢀswitchꢀbushing.ꢀTheꢀkeyedꢀwasherꢀisꢀslidꢀ
downꢀtheꢀbushingꢀslotꢀandꢀseatedꢀintoꢀtheꢀhexꢀnutꢀgroove.ꢀ
Theꢀsealꢀisꢀlikewiseꢀassembledꢀtoꢀtheꢀbushingꢀandꢀhexꢀnut.ꢀ
Theꢀkeyedꢀwasherꢀisꢀrequiredꢀtoꢀprovideꢀsealꢀintegrityꢀinꢀtheꢀ
bushingꢀslot.ꢀWhenꢀassembledꢀtoꢀtheꢀpanel,ꢀtheꢀgroovedꢀ
nut,ꢀbackingꢀwasherꢀandꢀsealꢀrequireꢀtheꢀsameꢀspaceꢀasꢀaꢀ
normalꢀmountingꢀnut.ꢀHence,ꢀtheꢀsealꢀkitꢀdoesꢀnotꢀalterꢀtheꢀ
dimensions.ꢀPanelꢀsealꢀkitꢀincludesꢀaꢀnon-turnꢀwasherꢀtoꢀ
beꢀusedꢀintoꢀaꢀblindꢀholeꢀinꢀtheꢀbackꢀpanel.ꢀForꢀpanelꢀsealꢀ
kitꢀpartꢀdimensions,ꢀseeꢀAccessories.ꢀStyleꢀ"HS"ꢀswitchesꢀ
useꢀaꢀsimilarꢀsealingꢀmethod,ꢀexceptꢀtheꢀintegralꢀassemblyꢀ
nutꢀ retainsꢀ theꢀ panelꢀ seal.ꢀ Allꢀ sealedꢀ styleꢀ switchesꢀ areꢀ
providedꢀwithꢀaꢀshaftꢀtoꢀbushingꢀinternalꢀseal.ꢀ
.375ꢀ
(9,53)ꢀ
TꢁP.
ꢁermination
One-sidedꢀterminationꢀisꢀstandardꢀforꢀswitchesꢀwithꢀ2ꢀtoꢀ5ꢀ
positionsꢀ perꢀ pole.ꢀTwo-sidedꢀ terminationꢀ isꢀ standardꢀ forꢀ
switchesꢀwithꢀ6ꢀthruꢀ10ꢀpositionsꢀperꢀpole.
C OFꢀREARꢀ
SUPPORTꢀ
PLATEꢀ
MOUNTINGꢀ
HOLES
L
.500ꢀ
(12,7)ꢀ
TꢁP.
C OFꢀ
ꢀL
BUSHING
.750ꢀ
(19,05)ꢀ
TꢁP.
10
6ꢀthruꢀ10ꢀpositionsꢀ
perꢀ poleꢀ andꢀ ter-
minalsꢀ fromꢀ oneꢀ
sideꢀ ofꢀ switchꢀ areꢀ
availableꢀonꢀspecialꢀ
order.ꢀSeeꢀSpecialꢀ
Options,ꢀpageꢀF-10ꢀ
orꢀcontactꢀGrayhill.
1
KEꢁWAꢁ
.250ꢀ
(6,35)ꢀ
TꢁP.
2
9
7
C COMMONꢀ
L
TERMINAL
C1
8
MOUNTING
HOLES
3
.174ꢀ(4,42)ꢀ
TꢁP.
.492ꢀ
4
6
5
.110ꢀ(2,79)
(12,50)
.174ꢀ(4,42)ꢀTꢁP.
ONEꢀPOLE
ADJuSꢁABLE SꢁOP SWIꢁCHES: Series 42 and 44
TheꢀstandardꢀandꢀULꢀrecognizedꢀswitchesꢀareꢀalsoꢀ
availableꢀwithꢀadjustableꢀstops.ꢀTwoꢀremovableꢀ For style 42A36, ꢀse 42D36,
stopꢀwashersꢀallowꢀyouꢀtoꢀlimitꢀtheꢀnumberꢀofꢀ
switchꢀ positionsꢀ asꢀ needed.ꢀ Aꢀ knurledꢀ nutꢀ isꢀ
Eqꢀivalent Styles
For style 44M30, ꢀse 44D30 initially
For style 42u36, ꢀse 42uD36
For style 44u30, ꢀse 44uD30
For style 44A30, ꢀse 44D30
For style 42M36, ꢀse 42D36 initially
suppliedꢀtoꢀsecureꢀtheꢀwashersꢀifꢀdesired.
Theseswitcheshavenobushingkeyway.ꢀAllꢀotherꢀ
dimensions,ꢀratingsꢀandꢀcharacteristicsꢀareꢀtheꢀ
sameꢀasꢀtheꢀstandardꢀfixedꢀstopꢀstyles.ꢀAlthoughꢀ
notꢀmilitaryꢀqualified,ꢀtheꢀadjustableꢀstylesꢀareꢀ
usefulꢀinꢀmilitaryꢀequipmentꢀprototypes.ꢀHowever,ꢀ
whenꢀsubmittingꢀtheꢀequipmentꢀforꢀgovernmentꢀ
approval,ꢀ theꢀ fixedꢀ stopꢀ qualifiedꢀ styleꢀ shouldꢀ
beꢀsubstituted.
Front Views
USEꢀOFꢀKNURLEDꢀ
NUTꢀISꢀOPTIONAL
ADJUSTABLEꢀSTOPꢀ
WASHERS
ꢀ
Seriesꢀ42ꢀꢀꢀꢀ
Seriesꢀ44
Grayhill, Inc.
• 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com