Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Rotary Switches
Multi-Deck Rotary Switches
Standard, UL Recognized and
Military Qualified Solder Lug Styles
Note:
Rear Views
Series 44
Series 42
DIMENSIONS
No. Dimension B Approx. Weight No. Dimension B Approx. Weight
of Dimension Style Style Grams of Dimension Style Style Grams
Decks A A M or H 42 44 Decks A A M or H 42 44
Dimension C D E F
C
L
C
L
SERIES 42, 43, 44 and 54
1" Diameter, 1 Amp, Standard,
Military SR04
FEATURES
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Rotary Switches
Multi-Deck Rotary Switches
CIRCUIT DIAGRAMS: Solder Lug Terminals
Switch is Viewed From Shaft End and Shown in Position No. 1
Rear Views
Series 44
60° Angle
of Throw
Series 42 & 43
36° Angle
of Throw
Series 44
45° Angle
of Throw
Series 44
90° Angle
of Throw
Series 44 & 54
30° Angle
of Throw
C
L
C
L
C
L
C
L
C
L
C
L
C
L
C
L
C
L
C
L
C
L
C
L
C
L
C
L
C
L
C
L
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Rotary Switches
Multi-Deck Rotary Switches
These switches have no bushing keyway.
Equivalent Styles
For style 42A36, use 42D36,
For style 44A30, use 44D30
For style 42M36, use 42D36 initially
ADJUSTABLE STOP SWITCHES: Series 42 and 44
Front Views
Switch is Viewed From Shaft End
and Shown in Position No. 1
PC BOARD MOUNTING PATTERN
Termination
CIRCUIT DIAGRAM: PC Mount
Standard Style
DIMENSIONS
C
L
1.000 ± .010
(25,4 ± 0,25)
DIA.
TERMINAL DIMENSIONS AT THIS
POINT ARE .050 ± .005 (1,27 ± 0,13)
WIDE BY .020 ± .003 (0,51 ± 0,08) THICK
.375 ± .015
(9,53 ± 0,38) TYP.
.750 ± .010
(19,05 ± 0,25)
TYP.
OF BUSHING
KEYWAY
C
L
.250 + .001 –.002
(6,35 + 0,03 –0,05)
DIA.
3/8-32 UNEF-2A THREAD
(MTG. HOLE=3/8 DIA. MIN.)
BUSHING KEYWAY
.066 ± .002 (1,68 ± 0,05) WIDE BY
.036 ± .003 (0,91 ± 0,08) DEEP
FROM A .375 (9,53) DIA.
INTEGRAL ASSEMBLY NUT,
DO NOT REMOVE
COMMON LUG
.250 ± .020
(6,35 ± 0,51)
.830
± .010
(21,08
± 0,25)
DIM. A + .046 – .020
(+1,17 –0,00)
.437 ± .020
(11,10 ± 0,51)
.600 ± .031
(15,24 ± 0,79)
DIM. B REF.
STUD
PROJECTION
#1 THREAD
.174
± .010
(4,42
± 0,25)
C
LC
LC
L
.174 ± .010
(4,42 ± 0,25)
.786 ± .010
(19,96 ± 0,25)
DIA.
.500 ± .015
(12,7 ± 0,38)
TYP.
1.470 ± .020
(37,34 ± 0,51)
TYP.
.735 ± .010
(18,67 ± 0,25) TYP.
.187 ± .015
(4,75 ± 0,38) TYP.
.250 ± .015
(6,35 ± 0,38) TYP.
1
10
6
5
4
3
2
9
8
7
GRAYHILL
.219
± .005
(5,56
± 0,13)
SERIES 42
1" Diameter, 1 Amp, PC Mount
C
L
C
L
C
L
C
L
SHAFT AND PANEL SEAL: Srs. 42 & 44
Standard Style
FEATURES
For style 44M30, use 44D30 initially
For style 42U36, use 42UD36
For style 44U30, use 44UD30
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Rotary Switches
Multi-Deck Rotary Switches
Standard Style and Military Qualified
DIMENSIONS
Note:
Rear Views
Series 54
Series 43
Number of Approx. Weight
Decks Dimension A Dimension B Grams
Section Section Style Style Style Series Series
“A” “B” A, M or H A M or H 43 54
C
L
C
L
SERIES 43
SERIES 54
1" Diameter, 1 Amp, Concentric
Shafts
FEATURES
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Rotary Switches
Multi-Deck Rotary Switches
SERIES 43 and 54
1" Diameter, 1 Amp, Add-A-Pot
FEATURES
Standard Style
Series 43
Note:
Number
of Dimension
Decks A Series 43 Series 54
Approx. Weight
Grams
Series 54
DIMENSIONS
Rear Views
Series 54
Series 43
C
L
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Rotary Switches
Multi-Deck Rotary Switches
SERIES 54
1" Diameter, 1 Amp, Add-A-Pot
FEATURES
Military Qualified Style
Note:
Number Approximate
of Dimension Weight
Decks A Grams
DIMENSIONS
Potentiometer Mounting
Mounting Plate A Mounting Plate B
C
L
1.265
(32,13)
DIA.
27.5
± 2
.098 ± .003
(2,49 ± 0,08) DIA. (3)
THROUGH BOLT
HOLE (2 EA.)
15
± 2
.245 ± .003
(6,22 ± 0,08) R.
.375 ± .003
(9,53 ± 0,08) R.
.261 ± .003
(6,63 ± 0,08) DIA. (1)
1.265
(32,13)
DIA.
15 ± 2
9
± 2
.437 ± .003
(11,10 ± 0,08) R.
.531 ± .003
(13,49 ± 0,08) R.
.380 ± .003
(9,65 ± 0,08)
DIA. (1)
.130 ± .003
(3,30 ± 0,08)
DIA. (2)
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Rotary Switches
Multi-Deck Rotary Switches
MILITARY QUALIFIED
Single Shaft Switches
Two Switches, Concentric Shafts
Add-A-Pot Switches
All Qualified Switches
MILITARY QUALIFIED SHAFT AND
PANEL SEAL:
Styles HS, HBS, HGS and HBGS
SPECIFICATIONS:
Electrical Ratings
Standard Style
Rated:
Angle of Throw
30° or 36° 45° or 60° 90°
Contact Resistance:
Insulation Resistance:
Voltage Breakdown:
Life Expectancy:
Note:
UL Recognition–
Styles UA, UD, UM, UP, US and USP
Electrical Parameters:
Overload:
Endurance:
Temperature Rise:
Note:
Electrical Ratings
Military Style
General Rating:
Voltage and Load:
Contact Resistance:
Insulation Resistance:
Voltage Breakdown:
MIL-S-3786 Electrical Values
Military Style
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Rotary Switches
Multi-Deck Rotary Switches
SPECIFICATIONS:
Contact Resistance:
Insulation Resistance:
Dielectric Strength:
Materials and Finishes
Standard Style
Bases:
Cover, Deck Separators, End Plate and Rotor
Mounting Plate:
Mounting Bushings:
Shaft, Cover Plate, Retaining Rings, Through
Bolts, Shaft Extensions, Stop Arm, Thrust
Washers Stop Washers and Rear Support
Plate:
Detent Balls:
Detent Springs:
Rotor Contact, Stator (Base) Contacts:
Terminals (Except Common):
Common Plate, Including Solder Lug:
Mounting Hardware:
Stud Nuts, Mounting Nuts, Lock Washers:
Materials and Finishes
Military Qualified
Bases:
Cover, Deck Separators, End Plate and
Rotor Mounting Plate:
Mounting Bushings:
Shaft, Cover Plate, Retaining Rings,
Through Bolts, Shaft Extensions, Stop Arm,
Stop Washers, Thrust Washers and Rear
Support Plate:
Detent Balls:
Detent Springs:
Rotor Contact:
Terminals, Common Plate including Solder
Lug:
Mounting Hardware:
Stud Nuts, Mounting Nuts, Lock Washers:
Additional Characteristics
Standard Style and Military Qualified
Contact:
Rotational Torque:
Mechanical Life Expectancy:
Shaft Flat Orientation:
Stop Strength:
Extended Stud:
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Rotary Switches
Multi-Deck Rotary Switches
CHOICES AND LIMITATIONS: Series 42, 43, 44 and 54
SINGLE SHAFT SWITCHES
Style Choices Angle of Number of Poles Positions Shorting or
Series Unsealed Shaft/Panel Seal Throw Decks Per Deck Per Pole1,3 Non-Shorting
Style Angle of Section A (Front) Section B (Rear)
Series Choices Throw Decks Poles Position N or S Decks Poles Position N or S
CONCENTRIC SHAFT, 2 SWITCHES
54
43
54
43
54
ADD-A-POT SWITCHES
Concentric Shaft Switches
42
44
44
42
42
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Rotary Switches
Multi-Deck Rotary Switches
ACCESSORIES
Internal Tooth Lockwasher–Figure A
No.
12Q1272-1
Non-Turn Washer–Figure B
Part No. 12C1087-1
Panel Seal Kit–Figure C
ORDERING INFORMATION: Single Shaft Switches, Add-A-Pot Switches
ORDERING INFORMATION: Concentric Shaft Rotary Switches
Series:
Style*:
Number of Decks:
44M30–02–1–12N–F
Stop Arrangement:
Type of Contacts:
Positions Per Pole:
Poles Per Deck:
* All rotary switches that are required to have military designated markings and testing adhering to MIL-3786 are to be ordered by specifying
the military part number identified on the appropriate slash sheet.
Series:
Style*:
Section A (front)
Number of Decks:
Poles Per Deck:
Positions Per Pole:
Type of Contacts:
43M02110N–M03203S
Section B (rear)
The limitations listed for Section A apply to Section B
Type of Contacts
Positions Per Pole
Poles Per Deck
Number of Decks
Style
* All rotary switches that are required to have military designated markings and testing adhering to MIL-3786 are to be ordered by specify-
ing the military part number identified on the appropriate slash sheet.
Available from your local Grayhill Distributor
Non-Turn Washer Seal Keyed Washer Hex Nut
FIGURE C
C
L
FIGURE B
FIGURE A
PartNo. 42-24
