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參數(shù)資料
| 型號(hào)： | 44MS45-12-1-08N |
| 廠商： | GRAYHILL INC |
| 元件分類： | 開關(guān) |
| 英文描述： | ROTARY SWITCH-8POSITIONS, SP8T, LATCHED, 30VDC, PANEL MOUNT-THREADED |
| 封裝： | ROHS COMPLIANT |
| 文件頁(yè)數(shù)： | 5/14頁(yè) |
| 文件大小： | 293K |
| 代理商： | 44MS45-12-1-08N |
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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
CIRCUIT DIAGRAMS: Series 57
Rear View
Switch is Viewed From Shaft End and Shown in Position No. 1.
Note: All common terminals are located above base terminals as shown.
221/2° Angle
of Throw
Note: Common location for a single pole per
deck switch. For common location on
multipole switches see circuit diagrams.
THREE OR
FIVE THRU
FOUR POLE
EIGHT POLE
ONE POLE
TWO POLE
Electrical Ratings
General
Switch rating for break before make contacts.
Voltage: As listed in the chart.
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
6
2
1
15
14
8
9
10
C1
3
4
5
7
11
12
13
16
11-15°
OF BUSHING
KEYWAY
C
L
C
L OF POSITION
NO. 1
6
1
15
14
8
9
10
C1
4
5
7
11
12
13
16
C2
2
3
C
L
6
2
1
15
14
8
9
10
C1
3
4
5
7
11
12
13
16
C
L
C3
C2
C4
6
2
1
15
14
8
9
10
C1
3
4
5
7
11
12
13
16
C
L
C5
C3
C7
C2
C4
C6
C8
1
4
15
16
1
3
12
11
10
9
8
7
6
5
4
3
2
SEE NOTE
SEE
DETAIL
1.190 ± .015
(30,23 ± 0,38)
OVER TERMINALS
GRAYHILL
LAGRANGE
ILLINOIS
400
300
200
100
0
CYCLES x 1,000
510
25
CURRENT
MILLIAMPS
VOLTAGE 115 VAC
15
20
400
300
200
100
0
CYCLES x 1,000
510
25
CURRENT
MILLIAMPS
30 VDC RESISTIVE
15
20
30 VDC
INDUCTIVE
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.
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-S-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-S-
3786/36 for moisture resistance, medium and
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 and Nut, Lockwasher:
Brass, cadmium-plated per QQP-416, Class
2, Type II.
Shaft, Stop Pins, Retaining Rings, Through
Bolts, Shaft Extension, Stop Arm, Thrust
Washers, Lockwashers, Nuts, Non-turn
Washer, Stop Pins, Cover Plate and Rear
Support Plate: Stainless steel, passivated
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.
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.
J-63
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