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
J-55
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)
Standard Style
Series 43
Note: Common location for a single pole per
deck switch. For common location on
multi-pole switches, see circuit
diagrams.
Number
of
Dimension
Decks
A
Series 43
Series 54
1
.974 (24,74)
48
60
2
1.320 (33,53)
54
67
3
1.666 (42,32)
60
74
Approx. Weight
Grams
Series 54
DIMENSIONS In inches (and millimeters)
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.
Rear Views
Series 54
Series 43
See page J-52 circuit diagrams, 1 pole/deck, 10 and 12 positions; 2 poles/deck, 12 positions.
2
3
4
5
6
7
8
9
1.000 ± .010
(25,4 ± 0,25)
DIA.
.375
± .015
(9,53
± 0,38)
SEE NOTE
NON-TURN TAB
.125 ± .003 (3,18 ± 0,08) WIDE BY
.031 ± .003 (0,79 ± 0,08) THICK
C
L
OF NON-TURN
TAB
.562
± .015
(14,27
± 0,38)
.125 + .001 –.002
(3,18 + 0,03 –0,05) DIA.
.250 + .001 –.002
(6,35 + 0,03 –0,05) DIA.
.250 ± .020
(6,35 ± 0,51)
.250 ± .020
(6,35 ± 0,51)
.250 ± .020 (6,35 ± 0,51)
.375
± .020
(9,53
± 0,51)
.375
± .020
(9,53
± 0,51)
.093 ± .015 (2,36 ± 0,38)
SER. 43
.121 ± .015 (3,07 ± 0,38)
SER. 54
.140 ± .062
(3,56 ± 1,57)
DIM. A + .046 –.020
(+0,05 –0,51)
.625 ± .046
(15,88 ± 1,17)
#1 THREAD
.830 (21,08) SER. 43
1.000 (25,4) SER. 54
± .010 (0,25)
3/8-32 UNEF-2A THREAD
STOP WASHERS
USE OF KNURLED NUT
OPTIONAL
FIRST
STOP
.219 ± .005
(5,56 ± 0,13)
.094 ± .004
(2,39 ± 0,10)
1.015 ± .015
(25,78 ± 0,38)
OVER TERMINALS
.064 (1,63) MIN. DIA.
HOLE AFTER PLATING
8
9
1
0
2
3
4
5
6
7
36°
1
FIRST
STOP
2
3
4
5
6
7
8
10
11
9
1.162 ± .010
(29,51 ± 0,25)
DIA.
.642 ± .015
(16,31 ± 0,38)
1.170 ± .015
(29,72 ± 0,38)
OVER TERMINALS
12
9
8
7
6
4
3
2
1
5
11
10
30°
15°
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. Fixed stop types
are also available, see Standard Options page
J-10.
Grayhill part number and date code marked on detent cover
label. Customer part number marked on request. Military
part number marked when required.
See page J-63 for specifications, accessories
and ordering information.