Multi-Deck Rotary Switches
SERIES 53, 57 and 59
1.125" Diameter, 1/4 Amp
FEATURES
• Smallest Diameter Rotary Switch
with this Number of Positions and
Current Capacity
• Military Qualified MIL-DTL-3786/36
• Gold-plated Contact System
Compatible with Logic Circuitry
DIMENSIONS
In inches (and millimeters)
Military Style
Ser.
53—1.281 (32,54)
Ser.
57 & 59—
1.125 ± .010 (28,58 ± 0,25)
.250 ± .020
(6,35 ± 0,51)
1.000 (25.4)
SER.
57 & 59
1.156 (29.36)
SER.
53
± .010 (0,25)
.250 + .001
–.002 DIA.
(6,35 + 0,03
–0,05)
BUSHING KEYWAY
.066 ± .002 (1,68 ± 0,05) WIDE
BY .036 ± .003 (0,91 ± 0,08)
DEEP FROM A .375 (9,53) DIA.
Rear views
shown with circuit
diagrams
.437
±.020
(11,10
±0,51)
.437
±.020
(11,10
±0,51)
DIM. A
+ .046 (1,17)
– .020 (0,51)
DIM. B REF.
STUD
PROJECTION
C
L
45°
.219 ± .004
C
L
(5.56 ± 0,10)
SEE
CIRCUIT
DIAGRAM
C
OF BUSHING
L
KEYWAY
C
OF POSITION
L
NO. 1
MILITARY NUMBERS MARKED HERE
INTEGRAL ASSEMBLY NUT. DO NOT REMOVE.
3/8-32
UNEF-2A THREAD
Rotary Switches
Rotary
32
No. of
Decks
1
2
3
4
5
6
Dimension
A
.916 (23,27)
1.249 (31,72)
1.582 (40,18)
1.915 (48,64)
2.248 (57,10)
2.831 (71,91)
Dimension
B
.032
.032
.032
.032
.032
.281
(0,81)
(0,81)
(0,81)
(0,81)
(0,81)
(7,14)
Approx.
Weight
Grams
50
60
70
80
90
100
No. of
Decks
7
8
9
10
11
12
Dimension
A
3.164
3.497
3.830
4.163
4.496
4.829
(80,37)
(88,82)
(97,28)
(105,74)
(114,20)
(122,66)
Dimension
B
.281
.281
.281
.281
.281
.281
(7,14)
(7,14)
(7,14)
(7,14)
(7,14)
(7,14)
Approx.
Weight
Grams
110
120
130
140
150
160
Non-Turn Washer Detail D
.375 ± .005
(9,53 ± 0,13)
Mounting Hardware:
Two mounting nuts, .094" (2,39) thick by .562" (14,27) across flats, one internal tooth lockwasher
and one non-turn washer (see detail D for dimensions), are supplied with switch.
Grayhill part number and date code marked on detent cover label. Customer part number marked on request. Military
part number marked when required.
.125
± .003
(3,18
± 0,08)
STYLE M—.187 (4,75)
STYLE HS—.125 (3,18)
± .010 (0,25)
.032 ± .003
(0,81 ± 0,08)
STANDARD STYLE
MILITARY QUALIFIED
The Series 53, 57 and 59 rotary switches are all
military type switches. Grayhill manufactures
these switches in two styles: M and HS. Style M
is unsealed and is
not
qualified; Style HS is shaft
and panel sealed and
is
qualified. The non-
qualified Style M can be regarded as our
Standard Style for types of switches. Although
it is not qualified, Style M is constructed of the
same military grade materials and will provide
comparable performance in all areas. For
example, the Style ‘M’ switches, in addition to
the electrical ratings listed elsewhere in these
pages, will meet the following requirements of
MIL-DTL-3786:
Moisture Resistance: Medium and High Shock;
Vibration (10 to 500 cps); Thermal Shock (-65
°C to 125 °C); Salt Spray; Explosion; Terminal
Strength (pull, 2 lbs. minimum); and Stop
Strength (15 pound-inches minimum).
The line drawings shown above are applicable
to the Style M and Style HS. The only difference
between the two is the length of the tab of the
non-turn washer. The shorter tab for the HS is
explained in the following paragraph.
The Series 53, 57 and 59 Style HS rotary
switches are qualified to MIL-DTL-3786/36. The
Style HS is shaft and panel sealed. The panel is
sealed by an O-ring at the base of the bushing.
The shaft is sealed by an O-ring inside the
bushing. These seals do not alter the dimensions
shown in the line drawings when the switch is
mounted.
A non-turn washer, supplied with the mounting
hardware, may be used with the Style HS
switches. It is suggested that the non-turn washer
be mounted in the following manner to preserve
the seal: from the front of the panel into a hole
that does not go through the panel.
The qualification of the Series 53, 57 and 59
rotary switches does not extend to all possible
combinations listed in the Choices and
Limitations chart. The limitations on the
qualification are described in the chart shown
below.
Standard variations, such as shaft and/or
bushing length, etc., that do not affect switch
performance can also be marked as qualified
product. For complete details contact Grayhill.
Military qualified Series 53, 57 and 59 Style HS
rotary switches may be ordered by the ‘M’
number listed in MIL-DTL-3786/36 or by the
Grayhill part number. Military style switches
will be marked to the specification.
Style HS Switches are MIL-DTL-3786/36
Qualified for the Following Characteristics
Series
53
57
59
Max. No.
of Decks
5
5
5
Max. No.
Poles/Deck
8
4
5
Max. No.
Total Poles/Switch
24
20
20
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois
60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Multi-Deck Rotary Switches
CIRCUIT DIAGRAMS: Series 53
Switch is Viewed From Shaft End and Shown in Position No. 1
Note: All common terminals are located above base terminals as shown.
Rear View
1.350 ± .015
(34,29 ± 0,38)
OVER TERMINALS
22
21
20
23
24
15° Angle
of Throw
C
OF BUSHING
L
KEYWAY
FIVE OR SIX POLE
SEVEN OR EIGHT POLE
NINE THRU TWELVE POLE
.034 ± .003
(0,86 ± 0,08)
.068 ± .005
(1,73 ± 0,13)
CIRCUIT DIAGRAMS: Series 59
Rotary Switches
Switch is Viewed From Shaft End and Shown in Position No. 1
Note: All common terminals are located above base terminals as shown.
C3
12 13 14
11 12 13 14
11
15 C2
15
15
10
10
10
16
16
16
9
9
9
17
17
17
8
8
8
C2
18
18
18
7
7
7
C4
19
19
19
6
6
6
45˚
20
20
20
5
5
5
C1
4 3 2 1 C1
4 3 2 1
4 3 2 1
C
C
18˚
C
OF BUSHING
L
L
C1
L
KEYWAY
ONE POLE
TWO POLE
THREE OR FOUR POLE
C
OF POSITION
L
NO. 1
C7
C6
C4
12 13 14
11 12 13 14 C8
11
15
15
C3 10
C5 10
16
16
9
9
C5
8
8
17 C9
17
18
18
C4 7
7
19
6
6
19 C10
5
20
20
5
C2
C3
4 3 2 1
4 3 2 1
C1
C
C1
C
L
C2
L
FIVE POLE
SIX THRU TEN POLE
11 12 13 14
Rear View
1.190 ± .015
(30,23 ± 0,38)
OVER TERMINALS
14
13
12
1
1
18
17
19
20
SEE NOTE
Note:
Common location for a single pole per
deck switch. For common location on
multipole switches see circuit diagrams.
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois
60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
4
GRAYHILL
LA GRANGE
ILLINOIS
18° Angle
of Throw
SEE
DETAIL
15
16
6
GRAYHILL
5
LA GRANGE
ILLINOIS
14 15 1617
13
18
12
19
11
20
10
21
9
22
8
23
24 45˚
7
6
5 4
3
2 1 C1
151617
14 151617
14151617
13
13
18
18
18
C4
12
12
19
19
19
11
20 C3 11
20
20
10
10
21
21
21
16
15
14
9
9
17
22
22
13
22
18
8
8
23
23
23
SEE
7
7
24
24
24
DETAIL
C2
6
6
1
6
1
5 4
3
2
5 4
3
2 1
C
5 4
3
2
C
C
C1
L
L
C1
L
C1
C
OF BUSHING
7
1
/
2
˚
L
KEYWAY
ONE POLE
TWO POLE
THREE POLE
FOUR POLE
C
OF
L
POSITION
C9
C10
NO. 1
C4
C5
C6
18 19 20
17
C8
C11
1415 1617
14 151617 C5
SEE NOTE
16
21
13
18
18
13
15
22
C4 12
19 C7
12
7.5°
19
11
23 C12
C3 11
20
20
C7 14
Note:
Common location for a single pole per
10
21
10
21
13
24
deck switch. For common location on
9
22
9
22
12
1
multipole switches see circuit diagrams.
23
C
OF POSITION #1
8
23 C6 C3
8
L
C6 11
C1
2
7
7
24 C8
24
10
3
6
6
5 4
3
2 1
5 4
3
2 1
C
9
4
C
37.5°
C2
C2
L
8
7 6 5
C5
L
Terminal Detail
C1
C2
C1
C4
C3
13 14
12
11
10
9
8
7
12
C2
C2
C3
19
10
9
8
11
7
4
3
3
2
2
1
1
10
9
8
7
6
5
Rotary
33
Multi-Deck Rotary Switches
CIRCUIT DIAGRAMS: Series 57
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
7
6
5
4
3
2
10 11
12
13
14
15
16
1 C1
11-15°
7
6
5
C1
4
3
2
8
9
10 11
12 C2
13
14
15
16
1
C
L
13
14
12
11
Rear View
1.190 ± .015
(30,23 ± 0,38)
OVER TERMINALS
10
9
8
6
5
C2
4
3
2
1
C1
15
16
C
L
C3
7
6
5
4
C2
3
2
1
C1
13 C7
14
15
16 C8
C
L
SEE NOTE
THREE OR
FOUR POLE
FIVE THRU
EIGHT POLE
Note:
Common location for a single pole per
deck switch. For common location on
multipole switches see circuit diagrams.
SPECIFICATIONS
Electrical Ratings
General
Switch rating for break before make contacts.
Voltage:
As listed in the chart.
types of loads shown. Thus, with a 250
milliamperes, 30 Vdc resistive load, 10,000
cycles of life can be expected. Life limiting or
failure criteria for these curves are:
Contact Resistance:
50 milliohms maximum
(20 milliohms initially).
Insulation Resistance:
1,000 megohms
minimum between mutually insulated parts.
Voltage Breakdown:
500 Vac minimum
between mutually insulated parts. These
switches will carry 4 amperes with a maximum
contact temperature rise of 20°C. If the life
limiting characteristics are less critical than
those shown above or if elevated temperatures
or reduced pressures are involved, Grayhill can
predict the switch life for the application.
high shock, vibration, thermal, thermal shock,
salt spray, explosion, terminal strength and
stop strength.
Materials and Finishes
Cover, Base, Spacer and Rotor Mounting
Plate:
Diallyl per (MIL-M-14) ASTM-D-5948
Mounting Bushing:
Brass, tin/zinc-plated.
Shaft, Stop Pins, Retaining Rings, Through
Bolts, Shaft Extension, Stop Arm, Thrust
Washers, Lockwashers, Nuts, Non-turn
Washer, Cover Plate and Rear Support
Plate:
Stainless steel
Detent Balls:
Steel, nickel-plated
Detent Springs:
Tinned music wire
Rotor Contact:
Silver alloy, gold-plated
.00001" minimum.
Terminals and Common Plate Including
Solder Lug:
Brass, gold plate .00002"
minimum over silver plate .0003" minimum.
Panel Seal:
Silicone rubber.
Shaft Seal:
O-ring per MIL-M-5516B.
Mounting Nut, Lock Washer:
Brass, tin/zinc-
plated or stainless steel.
CURRENT MILLIAMPS
400
VOLTAGE 115 VAC
300
200
100
0
0
5
10
15
20
25
CYCLES x 1,000
CURRENT MILLIAMPS
400
300
30 VDC RESISTIVE
200
100
0
0
5
10
15
20
25
CYCLES x 1,000
30 VDC
INDUCTIVE
Electrical Ratings
Military Qualified
The Series 53, 57 and 59 Style HS, Rotary
Switches have been tested to make and break
the following loads as stated in MIL-DTL-3786/
36: 70,000 ft. altitude for 10,000 cycles: 10mA,
28 Vdc, inductive (250 mH); 50 mA, 28 Vdc,
resistive; 20 mA, 115 Vac, resistive. Atmospheric
pressure, 125°C for 10,000 cycles: 25 mA,
28 Vdc inductive (250 mH); 75 mA, 28 Vdc,
resistive; 50 mA, 115 Vac resistive. Atmospheric
pressure, 25°C for 10,000 cycles: 75 mA,
28 Vdc, inductive (250 mH); 250 mA, 28 Vdc
resistive; 150 mA, 115 Vac, resistive. Life limiting
criteria for these loads are:
Contact Resistance:
50 milliohms maximum.
Dielectric Strength:
500 Vac (350 Vac—
reduced pressure).
Insulation Resistance:
1,000 megohms
minimum. These switches also meet MIL-DTL-
3786/36 for moisture resistance, medium and
Additional Characteristics
Rotational Torque:
20-80 in-ozs., depending
on the number of poles per deck and the
number of decks.
Contacts:
Shorting or non-shorting wiping
contacts with over 100 grams of contact force.
Shaft Flat Orientation:
Flat opposite
contacting position pole #1 (See Circuit
Diagrams).
Extended Studs:
Switches of 6 decks or
more have longer studs with extra stud nuts
for recommended double end mounting.
Terminals:
Switch is provided with full
complement of base or position terminals
regardless of the number of active positions.
Curve data based on test data conducted at
sea level, 25°C and relative humidity. Cycle
equals 360° rotation and 360° return. Cycling
rate is 10 cycles per minute. The curves
shown are typical load life curves for a Series
53M, 57M and 59M Rotary Switch. They show
the number of cycles of rotational life that can
be expected for the voltages, currents and
Rotary
34
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois
60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
3
2
C4 8
4
1
C3
10 11
9
12
C4
8
13
14
7
C5
9
10 11
15
C6
12
16
GRAYHILL
5
LA GRANGE
ILLINOIS
22
1
/
2
° Angle
of Throw
ONE POLE
C
OF BUSHING
L
KEYWAY
C
OF POSITION
L
NO. 1
TWO POLE
SEE
DETAIL
7
6
Rotary Switches
Multi-Deck Rotary Switches
CHOICES AND LIMITATIONS
Series
Style and
Designation
Angle of
Throw
Stops
Terminals
Number of Decks
Shorting
Non-Shorting
01 thru 12
01 thru 12
01 thru 08
01 thru 06
01 thru 04
01 thru 03
01 or 02
01 thru 12
01 thru 12
01 thru 06
01 thru 03
01 thru 12
01 thru 12
01 thru 06
01 thru 04
01 or 02
01 thru 12
01 thru 12
01 thru 08
01 thru 06
01 thru 04
01 thru 03
01 or 02
01 thru 12
01 thru 12
01 thru 06
01 thru 03
01 thru 12
01 thru 12
01 thru 06
01 thru 04
01 or 02
Poles
Per Deck
1
2
3
4
5 or 6
7 or 8
9, 10, 11 or 12
1
2
3 or 4
5, 6, 7 or 8
1
2
3 or 4
5
6, 7, 8, 9 or 10
Number of
Positions/Pole
02 thru 24
02 thru 12
02 thru 08
02 thru 06
02 thru 04
02 or 03
02
02 thru 16
02 thru 08
02 thru 04
02
02 thru 20
02 thru 10
02 thru 05
02 thru 04
02
M = Military Style
53
HS = Military Qualified,
Shaft/Panel Seal
15°
Fixed
Solder
Lug
M = Military Style
57
HS = Military Qualified,
Shaft/Panel Seal
M = Military Style
59
HS = Military Qualified,
Shaft/Panel Seal
18°
Fixed
Solder
Lug
221/2°
Fixed
Solder
Lug
MIL Spec. provides for qualification up to and including five decks. Switches of longer length,
although not specifically qualified, are built of the same materials and are of the same construction.
ORDERING INFORMATION
Series
Style*:
Letter(s) from the Choices and Limitations chart
Rotary Switches
Angle of Throw:
Must agree with Series Number
Number of Decks:
As limited by Choices and Limitations chart
57M22–01–1–16N–F
Stop Arrangement:
Use suffix only when ordering 1 pole with
maximum positions.
F = Stop between last and first positions; C = Continuous Rotation
Type of Contacts:
N = Non-shorting; S = Shorting
Positions Per Pole:
requires 02 as a minimum to the maximum allowable
dependent on the angle of throw and poles per deck
Poles Per Deck:
As limited by angle of throw
* All rotary switches that are required to have military designated markings and testing adhering to MIL-DTL-3786
are to be ordered by specifying the military part number identified on the appropriate slash sheet.
Available from your local Grayhill Distributor
For prices and discounts, contact a local Sales Office, an authorized local Distributor or Grayhill.
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois
60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Rotary
35
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