Multi-Deck Rotary Switches
SERIES 42, 43, 44 and 54
1" Diameter, 1 Amp, Standard,
Military SR04
FEATURES
• Rugged Construction Insures
Switch Operation for the Life of
Your Equipment
• Many Circuitry Options
• MIL Qualified Versions MIL-S-3786/04
• Features Choice Include: Shaft/
Panel Seal, Adjustable Stops, PC
Termination, UL Recognized
DIMENSIONS
In inches (and millimeters)
Standard, UL Recognized and
Military Qualified Solder Lug Styles
Rear Views
Series 42
1.015 ± .015
(25,78 ± 0,38) DIA.
OVER TERMINALS
#1 THREAD
.219
± .005
(5,56
± 0,13)
DIM. C
± .015 (0,38)
DIM. E
± .010 (0,25)
.250 + .001 –.002
(6,35 + 0,03 –0,05)
DIA.
C
OF BUSHING
L
KEYWAY
SEE NOTE
INTEGRAL ASSEMBLY NUT,
DO NOT REMOVE
BUSHING KEYWAY
.066 ± .002 (1,68 ± 0,05) WIDE BY
.036 ± .003 (0,91 ± 0,08) DEEP
FROM A .375 (9,53) DIA.
3/8-32 UNEF-2A THREAD
(MTG. HOLE = 3/8 DIA. MIN.)
Note:
Common location for a single pole per
deck switch. For common location on
multi-pole switches, see circuit
diagrams.
.064 (1,63) MIN. DIA.
HOLE AFTER PLATING
Series 44
1.170 ± .015
(29,72 ± 0,38) DIA.
OVER TERMINALS
GRAYHILL
1
NON-TURN TAB
.125 ± .003 (3,18 ± 0,08) WIDE BY
.031 ± .003 (0,79 ± 0,08) THICK
11
12
10
15°
30°
.064 (1,63) MIN. DIA.
HOLE AFTER PLATING
For rear view of 45°, 60° and 90°,
see circuit diagram.
No.
of
Decks
1
2
3
4
5
6
Dimension
A
1.025
1.371
1.717
2.063
2.409
3.005
(26,04)
(34,82)
(43,61)
(52,40)
(61,19)
(76,33)
Dimension B
Style
Style
A
M or H
.062
.062
.062
.062
.062
.312
(1,57)
(1,57)
(1,57)
(1,57)
(1,57)
(7,92)
.030
.030
.030
.030
.030
.280
(0,76)
(0,76)
(0,76)
(0,76)
(0,76)
(7,11)
Approx. Weight No.
Grams
of
42
44
Decks
40.0
45.5
51.0
56.5
62.0
67.5
48
55
62
69
76
83
7
8
9
10
11
12
Dimension
A
3.351
3.697
4.043
4.389
4.735
5.081
(85,16)
(93,90)
(102,69)
(111,48)
(120,27)
(129,06)
Dimension B
Style
Style
A
M or H
.312
.312
.312
.312
.312
.312
(7,92)
(7,92)
(7,92)
(7,92)
(7,92)
(7,92)
.280
.280
.280
.280
.280
.280
(7,11)
(7,11)
(7,11)
(7,11)
(7,11)
(7,11)
Approx. Weight
Grams
42
44
73.0
78.5
84.0
89.5
95.0
100.5
90
97
104
111
118
125
Grayhill part number and date code marked on detent cover label.
Customer part number marked on request. Military part number
marked when required. UL recognized markings as required.
Dimension
Series 42
Series 44
C
.562 (14,27)
.642 (16,31)
D
E
F
.093 (2,36)
.121 (3,07)
1.000 (25,4)
.830 (21,08)
1.162 (29,51) 1.000 (25,4)
Rotary
22
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois
60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
4
3
3
2
DIM. D
± .010 (0,25) DIA.
C
OF NON-TURN
L
TAB
.375
± .015
(9,53
± 0,38)
.250
± .020
(6,35
± 0,51)
DIM. F ± .015 (0,38)
DIM. B REF.
STUD
PROJECTION
GRAYHILL
10
.437
± .020
(11,10
± 0,51)
.437
± .020
(11,10
± 0,51)
DIM. A + .046 –.020
(+ 0,05 –0,51)
9
8
7
6
5
1
4
36°
2
Rotary Switches
9
8
7
6
5
Multi-Deck Rotary Switches
CIRCUIT DIAGRAMS: Solder Lug Terminals
Switch is Viewed From Shaft End and Shown in Position No. 1
Note: All common terminals are located above base terminals as shown.
9
8
10
C
OF
L
BUSHING
11 KEYWAY
12
C1
1
C2 7
6
9
8
10
11
12
C
L
1 C1
7
6
5
C3
9
8
10
11
12
C
L
1 C1
2
C2
6
7
9
8
10
C3
11
12
1
C
L
Series 44 & 54
30° Angle
of Throw
7
6
5
4
3
2
5
4
3
2
5
4
3
C2
2
C1
4
3
ONE POLE
TWO POLE
C4
9
8
C3
7
6
5
4
C2
FOUR POLE
C
OF
L
BUSHING
KEYWAY
9
10
4
3
2
1
C1
10 11
12
C
L
1 C1
2
3
THREE POLE
Styles A, D and S
C5
9 10 C6
8
11
C4 7
12
THREE POLE
Styles M, MS, H and HS
6
5
C3
4
3
C2
1
2
C
L
C1
FIVE OR SIX POLE
7
6
8
C2
7
6
8
9
10
C
L
Series 42 & 43
36° Angle
of Throw
5
5
4
3
2
1
C1
ONE POLE
C
OF
L
BUSHING
KEYWAY
8
C1
4
3
2
1
4
C2
5
TWO POLE
Rear Views
C4
Rotary Switches
6
7
6
7
8
C
L
1 C1
C3 5
4
6
7
8
7
6
Series 44
45° Angle
of Throw
5
8
1
3
C2
2
C
L
C1
GRAYHILL
5
15°
1
4
3
2
45°
ONE POLE
TWO POLE
THREE OR FOUR POLE
5
6
C
OF
L
BUSHING
KEYWAY
C2
4
5
6
C3
5
4
C
L
1 C1
6
6
C
L
1 C1
2
60°
5
GRAYHILL
3
2
ONE POLE
3
2
C2
TWO POLE
THREE POLE
4
C
OF
L
BUSHING
KEYWAY
4
4
GRAYHILL
Series 44
90° Angle
of Throw
3
C1
1
2
ONE POLE
C2 3
1 C1
2
TWO POLE
90°
15°
1
C
L
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois
60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
2
2
Series 44
60° Angle
of Throw
4
C1
1
15°
1
3
3
4
3
2
3
Rotary
23
Multi-Deck Rotary Switches
SERIES 42
1" Diameter, 1 Amp, PC Mount
FEATURES
• Satisfies High Current Board Level
Applications
• 36° Angle of Throw Permits up to
Ten Positions
• UL Recognized Versions
DIMENSIONS
In inches (and millimeters)
Standard Style
1.000 ± .010
(25,4 ± 0,25)
DIA.
.437 ± .020
(11,10 ± 0,51)
.600 ± .031
(15,24 ± 0,79)
.250 ± .020
(6,35 ± 0,51)
.750 ± .010
(19,05 ± 0,25)
TYP.
.250 + .001 –.002
(6,35 + 0,03 –0,05)
DIA.
DIM. A + .046 – .020
(+1,17 –0,00)
C C C
L L L
.174
± .010
(4,42
± 0,25)
DIM. B REF.
STUD
PROJECTION
.174 ± .010
(4,42 ± 0,25)
#1 THREAD
.500 ± .015
(12,7 ± 0,38)
TYP.
9
.786 ± .010
(19,96 ± 0,25)
DIA.
.219
± .005
(5,56
± 0,13)
.830
± .010
(21,08
± 0,25)
1
10
2
GRAYHILL
8
3
7
4
.375 ± .015
(9,53 ± 0,38) TYP.
TERMINAL DIMENSIONS AT THIS
POINT ARE .050 ± .005 (1,27 ± 0,13)
WIDE BY .020 ± .003 (0,51 ± 0,08) THICK
C
OF BUSHING
L
KEYWAY
Grayhill part number and date code marked on detent cover label. Customer part
number marked on request. UL recognized marking as required.
COMMON LUG
INTEGRAL ASSEMBLY NUT,
DO NOT REMOVE
BUSHING KEYWAY
.066 ± .002 (1,68 ± 0,05) WIDE BY
.036 ± .003 (0,91 ± 0,08) DEEP
FROM A .375 (9,53) DIA.
3/8-32
UNEF-2A THREAD
(MTG. HOLE=3/8 DIA. MIN.)
1.470 ± .020
(37,34 ± 0,51)
TYP.
CIRCUIT DIAGRAM: PC Mount
Switch is Viewed From Shaft End
and Shown in Position No. 1
Note: All common terminals are located above
base terminals as shown.
PC BOARD MOUNTING PATTERN
Shown for a two deck switch
C
OF FRONT SUPPORT
L
PLATE MOUNTING
HOLES
SHAFT AND PANEL SEAL: Srs. 42 & 44
Standard Style
The Series 42/44 Styles, which include the letter "S" with the
exception of style "HS", are watertight sealed to the mounting
panel by utilizing the panel seal kit. These switches are built
with a front plate that does not have a non-turn tab. The
panel seal kit consists of a grooved hex nut, a keyed washer
and a keyed panel seal. The grooved hex nut is assembled
to the switch bushing. The keyed washer is slid down the
bushing slot and seated into the hex nut groove. The seal
is likewise assembled to the bushing and hex nut. The
keyed washer is required to provide seal integrity in the
bushing slot. When assembled to the panel, the grooved
nut, backing washer and seal require the same space as a
normal mounting nut. Hence, the seal kit does not alter the
dimensions. Panel seal kit includes a non-turn washer to be
used into a blind hole in the back panel. For panel seal kit
part dimensions, see Accessories. Style "HS" switches use
a similar sealing method, except the integral assembly nut
retains the panel seal. All sealed style switches are provided
with a shaft to bushing internal seal.
SHAFT END
Termination
One-sided termination is standard for switches with 2 to 5
positions per pole. Two-sided termination is standard for
switches with 6 thru 10 positions per pole.
C
OF
L
BUSHING
KEYWAY
2
3
7
6
5
4
C1
.375
(9,53)
TYP.
C
OF BASE
L
TERMINAL
MOUNTING
HOLES
C
OF REAR
L
SUPPORT
PLATE
MOUNTING
HOLES
C
COMMON
L
TERMINAL
MOUNTING
HOLES
.110 (2,79)
.174 (4,42) TYP.
.500
(12,7)
TYP.
.250
(6,35)
TYP.
.174 (4,42)
TYP.
.492
(12,50)
6 thru 10 positions
per pole and
terminals from one
side of switch are
available on special
order. See Special
Options, page F-10
or contact Grayhill.
10
9
8
1
.750
(19,05)
TYP.
ONE POLE
ADJUSTABLE STOP SWITCHES: Series 42 and 44
The standard and UL recognized switches are
also available with adjustable stops. Two
removable stop washers allow you to limit the
number of switch positions as needed. A knurled
nut is supplied to secure the washers if desired.
These switches have no bushing keyway.
All
other dimensions, ratings and characteristics
are the same as the standard fixed stop styles.
Although not military qualified, the adjustable
styles are useful in military equipment
prototypes. However, when submitting the
equipment for government approval, the fixed
stop qualified style should be substituted.
Equivalent Styles
For style 42A36, use 42D36,
For style 44A30, use 44D30
For style 42M36, use 42D36 initially
For style 44M30, use 44D30 initially
For style 42U36, use 42UD36
For style 44U30, use 44UD30
Front Views
6
5
8
7
9
8
9
10
11
4
6
5
USE OF KNURLED
NUT IS OPTIONAL
ADJUSTABLE STOP
WASHERS
Series 42
Series 44
Rotary
24
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois
60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
6
5
FI
ST RST
OP
.250 ± .015
(6,35 ± 0,38) TYP.
.187 ± .015
(4,75 ± 0,38) TYP.
.735 ± .010
(18,67 ± 0,25) TYP.
2
3
4
T
RS P
FI TO
S
3
Rotary Switches
Multi-Deck Rotary Switches
SERIES 43
SERIES 54
1" Diameter, 1 Amp, Concentric
Shafts
FEATURES
• Two Switches in the Panel Space
of a Single Shaft Rotary
• Military Qualified Versions
MIL-3786/04
• Choice of 10 Positions (Series 43)
or 12 Positions (Series 54)
DIMENSIONS
In inches (and millimeters)
Standard Style and Military Qualified
Rear Views
1.162 (29,51) DIA.
SER. 54
1.000 (25,4) DIA.
SER. 43
C
OF NON-TURN
L
.375 TAB
.250 ± .020
± .015
(6,35 ± 0,51)
(9,53
± 0,25)
.250 ± .020
(6,35 ± 0,51)
.375
± .020
(9,53
± 0,51)
.375
± .020
(9,53
± 0,51)
DIM. A + .046 –.020
(+0,05 –0,51)
.250 ± .020 (6,35 ± 0,51)
.093 ± .015 (2,36 ± 0,38)
SER. 43
.121 ± .015 (3,07 ± 0,38)
SER. 54
Series 43
DIM. B REF.
STUD
PROJECTION
#1 THREAD
.830 (21,08)
SER. 43
1.000 (25,4)
SER. 54
± .010 (0,25)
8
GRAYHILL
1.015 ± .015
(25,78 ± 0,38)
OVER TERMINALS
7
6
9
10
Rotary Switches
5
.642 (16,31)
SER. 54
.562 (14,27)
SER. 43
±.015(0,38)
C
OF BUSHING
L
KEYWAY
SEE NOTE
SECTION
SECTION
A
B
CONTROLLED BY
.250 (6,35)
.125 (3,18)
DIA. SHAFT
MILITARY NUMBER MARKED ON ALL
QUALIFIED SWITCHES
INTEGRAL ASSEMBLY NUT, DO NOT REMOVE
BUSHING KEYWAY .066 ± .002 (1,68 ± 0,05)
WIDE BY .036 ± .003 (0,91 ± 0,08) DEEP FROM
A .375 (9,53) DIA.
3/8-32 UNEF-2A THREAD
.064 (1,63) MIN. DIA.
HOLE AFTER PLATING
NON-TURN TAB
.125 ± .003 (3,18 ± 0,08) WIDE BY
.031 ± .003 (0,79 ± 0,08) THICK
Series 54
1.170 ± .015
(29,72 ± 0,38) DIA.
OVER TERMINALS
Note:
Common location for a single pole per
deck switch. For common location on
multi-pole switches, see circuit
diagrams.
Number of
Decks
Section Section
“A”
“B”
1
2
3
1
2
3
1
2
3
1
1
1
2
2
2
3
3
3
Dimension A
Style
A, M or H
1.818
2.164
2.510
2.164
2.510
3.105
2.510
3.105
3.451
(46,18)
(54,97)
(63,75)
(54,97)
(63,75)
(78,87)
(63,75)
(78,87)
(87,66)
Dimension B
Style
A
.062
.062
.062
.062
.062
.312
.062
.312
.312
(1,57)
(1,57)
(1,57)
(1,57)
(1,57)
(7,92)
(1,57)
(7,92)
(7,92)
Style
M or H
.030
.030
.280
.030
.280
.280
.280
.280
.280
(0,76)
(0,76)
(7,11)
(0,76)
(7,11)
(7,11)
(7,11)
(7,11)
(7,11)
Approx. Weight
Grams
Series
43
48
54
60
54
60
66
60
66
72
Series
54
60
67
74
67
74
81
74
81
88
11
12
10
GRAYHILL
9
8
1
15°
30°
.064 (1,63) MIN. DIA.
HOLE AFTER PLATING
Grayhill part number and date code marked on detent cover label. Customer part number
marked on request. Military part number marked when required.
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois
60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
4
3
7
6
3
2
2
.094 ± .004
(2,39 ± 0,10)
.219 ± .005
(5,56 ± 0,13)
.125 + .001 –.002
(3,18 + 0,03 –0,05) DIA.
.250 + .001 –.002
(6,35 + 0,03 –0,05) DIA.
4
36°
1
5
Rotary
25
Multi-Deck Rotary Switches
SERIES 43 and 54
1" Diameter, 1 Amp, Add-A-Pot
FEATURES
• Central Shaft Designed to Operate
an Add-On Potentiometer
• Potentiometer Mounting Plates
Provided
• Adjustable Stop Standard, Fixed
Stop by Order
• Choice of 10 Positions (Series 43)
or 12 Positions (Series 54)
DIMENSIONS
In inches (and millimeters)
Standard Style
Series 43
1.000 ± .010
(25,4 ± 0,25)
DIA.
C
OF NON-TURN
.375
L
TAB
± .015
(9,53
.250 ± .020
± 0,38)
(6,35 ± 0,51)
.250 ± .020
(6,35 ± 0,51)
7
8
9
Rear Views
DIM. A + .046 –.020
(+0,05 –0,51)
.093 ± .015 (2,36 ± 0,38)
SER. 43
.121 ± .015 (3,07 ± 0,38)
SER. 54
.250 ± .020 (6,35 ± 0,51)
.140 ± .062
(3,56 ± 1,57)
#1 THREAD
8
7
6
.375
± .020
(9,53
± 0,51)
.375
± .020
(9,53
± 0,51)
.625 ± .046
(15,88 ± 1,17)
Series 43
1.015 ± .015
(25,78 ± 0,38)
OVER TERMINALS
6
5
.094 ± .004
(2,39 ± 0,10)
.219 ± .005
(5,56 ± 0,13)
.562
± .015
(14,27
± 0,38)
STOP WASHERS
SEE NOTE
USE OF KNURLED NUT
OPTIONAL
3/8-32 UNEF-2A THREAD
Note:
Common location for a single pole per
deck switch. For common location on
multi-pole switches, see circuit
diagrams.
Number
of
Decks
1
2
3
Approx. Weight
Grams
Series 43
48
54
60
Series 54
60
67
74
.064 (1,63) MIN. DIA.
HOLE AFTER PLATING
NON-TURN TAB
.125 ± .003 (3,18 ± 0,08) WIDE BY
.031 ± .003 (0,79 ± 0,08) THICK
Series 54
1.162 ± .010
(29,51 ± 0,25)
DIA.
9
10
11
Series 54
1.170 ± .015
(29,72 ± 0,38)
OVER TERMINALS
9
8
8
7
Dimension
A
.974 (24,74)
1.320 (33,53)
1.666 (42,32)
11
12
10
6
5
15°
30°
1
.642 ± .015
(16,31 ± 0,38)
Two potentiometer mounting plates are
supplied. Mounting plates have .261 (6,63)
and .380 (9,65) diameter holes respectively
for mounting potentiometers with
1
/
4
" and
3
/
8
"
bushings. Additional nuts for the through bolts
of the switch are provided for adjustment of
mounting plate location. Tapered tongue on
1
/
8
" shaft provides coupling to screwdriver
slots in potentiometer shafts.
Plated brass spacers for ease of positioning
mounting plate driving assembly are available
on special request (sold only with switches). The
use of spacers is recommended for other than
prototype requirements. When ordering switches
with spacers, give full details regarding special
length, potentiometer being used, etc.
Standard style, concentric shaft, add-a-pot
switches have adjustable stops. See
Adjustable Stop description.
Grayhill part number and date code marked on detent cover
label. Customer part number marked on request. Military
part number marked when required.
Rotary
26
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois
60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
5
3
4
3
2
.125 + .001 –.002
(3,18 + 0,03 –0,05) DIA.
.250 + .001 –.002
(6,35 + 0,03 –0,05) DIA.
36°
1
.830 (21,08) SER. 43
1.000 (25,4) SER. 54
± .010 (0,25)
9
10
5
2
T
RS
FI TOP
S
F
ST IRST
OP
2
2
3
3
4
Rotary Switches
4
4
7
6
Test/Measurement
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