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Single Deck Rotary Switches
SERIES 50 SERIES 51
0.5" Diameter, 200mA, .698" Behind Panel FEATURES * Optional Complete Seal for PC Board Assembly and Cleaning * Small 1/2" Diameter * Choice of 22.5, 30, 36, 45, 60 and 90 Angles of Throw * Up to 4 Poles on 1 Deck * Up to 16 Positions Per Switch www..com * PC or Solder Lug Termination * Positive Shaft Grounding for EMI/RFI Shielding DIMENSIONS
In inches (and millimeters)
.250.015 (6,350,38) .375.015 (9,530,38) .250.015 (6,350,38) DIMENSION "B"
PC Mount Style
Side View
All others as shown at left
.203 .003 (5,16 0,08) ACROSS FLATS A
.125.015 (3,180,38)
.171 .015 (4,34 0,38) .125 (3,18) REF.
GRAYHILL
DIMENSION D POS. 1
2 1 10 9
TERMINALS ARE .016 .003 (0,41 0,08) SQ. COMMON O .025 .002 (0,64 0,06) AND EXTEND TO SAME PLANE AS POSITION TERMINALS TERMINAL SEALANT IN STYLE "T" TERMINAL SEALANT IN STYLE T
PC COMMON DETAIL All angles of throw, except 22.5
GRAYHILL
2 1 10 9
Rotary Switches
22.5 30 36
OPTIONAL PANEL SEAL GASKET .093 .005 (2,36 0,13)
Grayhill part number and date code marked on label. Customer part number marked on request. Military part number marked when required.
O.125 +.001- .002 (3,18 + 0,03 -0,05)
1/4-28 UNF-2A THREAD
PC TERMINAL DETAIL All angles of throw, except 22.5
.125 .015 (3,18 0,38)
.020 .004 (0,51 0,10)
.171 .015 (4,34 0,38)
.020 .003 (0,51 0,08)
Angle of Throw Angle A 101.25 105 108 Angle of Throw 45 60 90 Angle A 112.5 120 135 Dimension D Series 50 .500 .015 (12,70 0,38) Series 51 .562 .015 (14,27 0,38)
.062 .003 (1,57 0,08)
Dimension B Style T .576 .015 (14,63 0,38)
O .025 .002 (0,64 0,05)
All Others .537 .015 (13,64 0,38) All 22.5 .537 .015 (13,64 0,38)
Solder Lug Style
.250.015 (6,350,38) .375.015 (9,530,38) .250.015 (6,350,38) .658.015 (16,710,38) .234.015 (5,940,38) .153.015 (3,890,38)
SOLDER LUG TERMINAL DETAIL All angles of throw, except 22.5
.064 .005 (1,63 0,13) .020 .004 (0,51 0,10)
.032 .004 (0,81 0,10)
.062 .004 (1,57 0,10)
SOLDER LUG TERMINAL DETAIL 22.5
.064 .005 (1,63 0,13) TERMINAL SEALANT IN STYLE "T" .021 .004 (0,53 0,10) .046 .004 (1,17 0,10) .016 .004 (0,41 0,10)
O.125 + .001 - .002 (3,18 + 0,03 - 0,05)
Front view same as PC Mount style.
1/4-28 UNF-2A THREAD
Rotary 4
Grayhill, Inc. * 561 Hillgrove Avenue * LaGrange, Illinois
60525-5997 * USA * Phone: 708-354-1040 * Fax: 708-354-2820 * www.grayhill.com
Single Deck Rotary Switches
CIRCUIT DIAGRAMS AND REAR VIEWS: Solder Lug and PC Mount
Rear View
SOLDER LUG COMMON TERMINAL (1 POLE) .382 .015 (9,70 0,13) DIAMETER CIRCLE OF TERMINAL CENTERS .156 .015 (3,96 0,13)
PC MOUNT .500 .015 (12,7 0,13) DIA. CIRCLE OF CENTERS .156 .015 (3,96 0,13)
Circuit as Viewed From Shaft End
12 13
C2
11 10 9 8 7 6
14 15 16 1 2 3 10 9 8 7
11
12 13
14 15 16 1 2
C1
11.25 POS. 1 22.5
LOCATION OF COMMONS 2 POLES
11.25 POS. 1 22.5
22.5 Angle of Throw
LOCATION OF COMMONS 2 POLES COMMON TERMINAL (1 POLE)
54
6
54
3
ONE POLE
TWO POLES
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COMMON TERMINAL (1 POLE) .382 .005 (9,70 0,13) DIAMETER CIRCLE OF TERMINAL CENTERS 15 POS. 1 30 LOCATION OF COMMONS 2 POLES .156 .005 (3,96 0,13)
9 8 7 6 5 4
10 11 12 1 2 3 7 6 5 8
9
10 11
C2
12 1 2
C1
4
3
ONE POLE
TWO POLES
9 8
POS. 1 POLE 1 THREE POLES Dimension A, diameter circle of common centers, is .175 (4,45) for Solder Lug and .232 (5,89) for PC.
10 11
C3
9 8 7 6 5
C3
10 11
C4
30 Angle of Throw
DIM. A .005 (0,13)
POS. 1 POLE 1 FOUR POLES
.175 .005 (4,45 0,13) DIAMETER CIRCLE OF COMMON CENTERS
7
C2
12 1 2
12 1 2
6 5 4
C1
C2 C1
3
4
3
THREE POLES
FOUR POLES
COMMON TERMINAL (1 POLE) .320 .015 (8,13 0,38) DIAMETER CIRCLE OF TERMINAL CENTERS .125 .015 (3,18 0,38) LOCATION OF COMMONS 2 POLES
COMMON TERMINAL (1 POLE) .320 .015 (8,13 0,38) DIAMETER CIRCLE OF TERMINAL CENTERS
5
8 7 6 5 4 3
9 10 1 2 6 5
8 7
C2
Rotary Switches
9 10 1 2
C1
18 POS. 1 36
36 Angle of Throw
4 3
ONE POLE
TWO POLES
6
7 8 1 5 4
6
C2
7 8 1
22.5 POS. 1 45
.125 .015 (3,18 0,38) LOCATION OF COMMONS 2 POLES
4 3 2
C1
45 Angle of Throw
ONE POLE
2 3 TWO POLES
COMMON TERMINAL (1 POLE) .320 .015 (8,13 0,38) DIAMETER CIRCLE OF TERMINAL CENTERS
4 5 6
5 4
C2
6
C1
.125 .015 (3,18 0,38) 30 POS. 1 60 LOCATION OF COMMONS 2 POLES
3 2 ONE POLE 1
3 2
TWO POLES
1
60 Angle of Throw
COMMON TERMINAL (1 POLE) .320 .015 (8,13 0,38) DIAMETER CIRCLE OF TERMINAL CENTERS 45 POS. 1 90 LOCATION OF COMMONS 2 POLES .125 .015 (3,18 0,38)
2 1
ONE POLE
2
3
4
3
C2
4
C1
90 Angle of Throw
1
TWO POLES
Grayhill, Inc. * 561 Hillgrove Avenue * LaGrange, Illinois
60525-5997 * USA * Phone: 708-354-1040 * Fax: 708-354-2820 * www.grayhill.com
Rotary 5
Single Deck Rotary Switches
SPECIFICATIONS
Military Qualification
The dimensions for qualified switches are the same as those indicated in the drawings of standard switches. Switches with standard variations, such as shaft and bushing length, which do not affect switch performance, can be marked as qualified product. Contact Grayhill for complete information on variations. 36, 45, 60, 90 (Series 50): The C and M style switches are qualified to MIL-S-3786/20. They include the following: Solder lug or PC terminals With or www..com without panel seal Series 50 qualified switches may be ordered by the `M' number or by the Grayhill part number. 30 (Series 51): The C and M style switches are qualified to MIL-S-3786/35. They include the following: Solder lug or PC terminals With or without panel seal Series 51 qualified switches may be ordered by the `M' number or by the Grayhill part number.
Electrical Ratings
Life Expectancy: With the limiting criteria stated here, the Series 50 and 51 with non-shorting contacts will switch the following loads at atmospheric and reduced pressures for 25,000 cycles of operations. One cycle is 360 rotation clockwise and 360 return. At 85C, atmospheric pressure 200 mA, 28 Vdc resistive 150 mA, 115 Vac resistive 30 mA, 28 Vdc inductive 100 mA, 28 Vdc lamp load 75 mA, 220 Vac lamp load At 25C, reduced pressure (70,000 feet) 200 mA, 28 Vdc resistive 150 mA, 115 Vac resistive 75 mA, 220 Vac resistive Contact Resistance: 20 milliohms maximum, (10 milliohms initially). Insulation Resistance: 1,000 Mohms minimum between mutually insulated parts. Voltage Breakdown: 600 Vac minimum between mutually insulated parts at standard atmospheric pressure. Life Expectancy: Listed for the voltage source and make and break current levels. Contact Grayhill for more information if any of the following is true: the life limiting criteria are more critical than those listed; longer operation is required; a larger make and break current is required; the operating environment includes elevated temperatures or reduced pressures. Contact Carry Rating: Switch will carry 6 amperes continuously with a maximum contact temperature rise of 20C.
SPECIFICATIONS: Other
Additional Characteristics
Contact Type and Forces: Shorting or nonshorting wiping contacts with over 80 grams of contact force. Shaft Flat Orientation: Flat opposite contacting position of pole number one (see circuit diagrams). Terminals: Switches have the full circle of terminals, regardless of number of active position. Stop Strength: 7.5 pound-inches minimum Rotational Torque: 8-24 ounce-inches, depending on the number of poles.
Materials and Finishes
Switch Base: Thermoset Detent Rotor: Nylon Shaft, Stop Blades, Stop Arm, Thrust washer, and Retaining Ring: Stainless steel Detent Balls: Steel, nickel-plated Bushing: Zinc, tin-zinc plated Detent and Contact Springs: Stainless steel Common Ring: Brass, gold-plated over silver plate. Terminals: Brass, gold-plated over silver plate and nickel plate Rotor Contact: Precious metal alloy, goldplated
Panel Seal: Silicone rubber Shaft Seal: Fluorosilicone Mounting Nuts: Brass, tin-zinc plated Mounting Hardware: One mounting nut .089" thick by .375" across flats and one internal tooth lockwasher are supplied with the switch. Maximum Mounting Torque: 15in-lbs
Rotary Switches
PROCESS SEALED-Style T
Switch can be mounted on PC board with other components and subjected to wave soldering and conventional board cleaning techniques. No secondary wiring or soldering is necessary. Bushing is o-ring sealed; epoxy potting seals the terminals and the rear of the switch. Designed for PC assembly, this sealing technique can also be applied to solder lug terminal switches. A bushing to panel seal can also be added to the process sealed versions. Military qualified versions are available, see ordering information.
1/4" SHAFT: Style K
.219 .004 .250 .015 .250 +.002 -.001
.340 .005
.250 .015 .375 .015
3/8-32 UNEF-2A THREAD
1/8"Shaft
CIRCLE SHOWING DIMENSIONS OF HOLE TO BE CUT IN PANEL.
0.208 O0.254
"E" Style
O0.280
"K" Style
O0.380
POS. 1
POS. 1 0.240
POS. 1 0.350
Rotary 6
Grayhill, Inc. * 561 Hillgrove Avenue * LaGrange, Illinois
60525-5997 * USA * Phone: 708-354-1040 * Fax: 708-354-2820 * www.grayhill.com
Single Deck Rotary Switches
SUGGESTED ADJUSTABLE STOP SUBSTITUTION GUIDE
Fixed Stop Style 50A 50C 50CP 50M 50MP 50P 50S 50SP Adj. Stop Style Equivalent 50D 50CD 50CDP 50CD* 50CDP* 50DP 50D* 50DP* Fixed Stop Style 51A 51C 51CP 51M 51MP 51P 51S 51SP Adj. Stop Style Equivalent 51D 51CD 51CDP 51CD* 51CDP* 51DP 51D* 51DP*
ADJUSTABLE STOPS: Style D
Adjustable stops permit the user to set and reset the number of positions per poles. Shown in the diagram, a plastic washer can be removed to reveal slots at the base of the bushing. Stop blades can be inserted into the appropriate slots to limit switch rotation. Positions per pole configuration can thus be changed to meet the needs of the application. Dimensions are the same as the fixed stop version, when plastic washer is in place. Most desirable for prototype work. Readily available from local distributor.
Stop Blade Slots
Plastic Washer
Stop Blades
*Form fit and function equivalents, but not watertight sealed to the panel.
ACCESSORY: Non-Turn Washers
In Inches (and millimeters)
www..comAND SHAFT
PANEL SEAL: Styles S and M
Shaft and panel seal switches are watertight to the panel. They are not totally process sealed like the Style "T". Panel is sealed by a gasket at the base of the bushing. Shaft is sealed by an O-ring inside the bushing. After mounting, seals do not alter switch dimensions. See Style "S" (standard switches) and Style "M" (military switches) in the Choices and Limitations chart.
.400 .005 DIA. (10,16 0,13) .250 .003 (6,35 0,08)
.025 .001 (0,64 0,03) 90 1 .015 (0,38) RADIUS MAX. .125 .005 (3,16 0,13)
.060 .001 (1,52 0,25)
SEAL
Part No. 50J1066 Cut round hole for the bushing and for the non-turn tab. Washer fits the double D bushing flats. Washer is sold only when accompanied by an order for a like number of switches. Washer is 302 stainless steel.
Dimensions are in millimeters
SCREWDRIVER SLOTTED SHAFT: Style B
Form, fit and function equivalent to standard shaft switches. The dimensions shown have evolved as the most popular for this type of switch. See Style "B" in the Choices and Limitations chart. Previous users may have ordered these switches by a non-descriptive part number containing a "Y". Contact Grayhill, if in doubt about a cross-reference.
11,13 0,13 DIA. 0,64 0,05
Rotary Switches
.032.005 (0,810,13) "A"
.125.015 (3,180,38)
90 1 .015 (0,38) RADIUS MAX. 2,36 0,13
C L
5,08 0,05 1,57 0,08
.050.005 (1,270,13)
METRIC SHAFT AND BUSHING: Style E
9,53 0,38 6,00,08 "A" 6,35 0,38)
7,0 0,51
Metric standard dimensions for the shaft and bushing are shown in the drawing. Other dimensions approximately the same as shown in dimensional drawing. Contact Grayhill for exact dimensions. See Style "E" in the Choices and Limitations chart.
Part No. 71J1103 Designed to fit the double flatted bushing of the metric dimensioned bushing, this non-turn washer permits a round hole for the bushing and the tab while still preventing switch rotation. Washer is only sold when accompanied by a like number of switches. Washer is 302 stainless steel.
0.032
3,15 0,12
4,0 0,03
M7 x 0,75
0.375 0.125 0.187
Part No. 50J5140-4 Designed to fit the single flatted bushing of the "K" style switches, this non-turn washer prevents switch rotation when using a full round hole in the panel. Washer is only sold when accompanied by a like number of switches. Washer is 302 stainless steel.
Grayhill, Inc. * 561 Hillgrove Avenue * LaGrange, Illinois 60525-5997 * USA * Phone: 708-354-1040 * Fax: 708-354-2820 * www.grayhill.com
Rotary 7
Single Deck Rotary Switches
CHOICES AND LIMITATIONS: Series 50
A = Standard, 1/8" Shaft B = Screwdriver Slot Shaft C = Military, Without Panel Seal D = Adjustable Stop (Adj. Stop) E = Metric, 4mm Shaft K = 1/4" Shaft M = Military P = PC Mount Terminals S = Shaft/Panel Seal (S/P Seal) T = Process Sealed
Standard Style
Style Choices1 1/4" Shaft Angle of Throw 36 45 60 90 Number of Poles 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 Number of Positions Per Pole 02 thru 10 02 thru 05 02 thru 08 02 thru 04 02 thru 06 02 or 03 02 thru 04 02 02 thru 10 02 thru 05 02 thru 08 02 thru 04 02 thru 06 02 or 03 02 thru 04 02 Shorting or Non-Shorting Contacts N or S N or S N N N N N N N or S N or S N N N N N N
Series
Std., 1/8" Shaft A AT B BS BST BT D S ST
Metric, 4mm Shaft
Terminals
www..com
K KS KST KT KB KBS KBST KT
E ES EST ET EB EBS EBST EBT
Solder Lug
50 BP BPT BSP BSPT DP P PT SP SPT
Rotary Switches
KP KPT KSP KSPT KBP KBSP KBSPT KBT
EP EPT ESP ESPT EBP EBSP KBSPT EBT
36 45 PC Mount 60 90
Military Style
Style Choices 1/4" Shaft Angle of Throw 36 KM KMB KMBT KMT EM EMB EMBT EMT 45 60 90 Number of Poles 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 Number of Positions Per Pole 02 thru 10 02 thru 05 02 thru 08 02 thru 04 02 thru 06 02 or 03 02 thru 04 02 02 thru 10 02 thru 05 02 thru 08 02 thru 04 02 thru 06 02 or 03 02 thru 04 02 Shorting or Non-Shorting Contacts N or S N or S N N N N N N N or S N or S N N N N N N
Series
Std., 1/8" Shaft C CB CBT CD CT M MB MBT MT
Metric, 4mm Shaft
Terminals
Solder Lug
50 CBP CBPT CDP CP CPT MBP MBPT MP MPT 36 KMBP KMBPT KMP KMPT EMBP EMBPT EMP EMPT 45 PC Mount 60 90
Rotary 8
Grayhill, Inc. * 561 Hillgrove Avenue * LaGrange, Illinois
60525-5997 * USA * Phone: 708-354-1040 * Fax: 708-354-2820 * www.grayhill.com
Single Deck Rotary Switches
CHOICES AND LIMITATIONS: Series 51
A = Standard, 1/8" Shaft B = Screwdriver Slot Shaft C = Military, Without Panel Seal D = Adjustable Stop (Adj. Stop) E = Metric, 4mm Shaft K = 1/4" Shaft M = Military P = PC Mount Terminals S = Shaft/Panel Seal (S/P Seal) T = Process Sealed
Standard Style
Style Choices1 1/4" Shaft Angle of Throw Number of Poles Number of Positions Per Pole Shorting or Non-Shorting Contacts
Series
Std., 1/8" Shaft A B S BS A AT B BS BST BT D S ST P BP SP BSP BP BPT BSP BSPT DP P PT SP SPT PT BPT SPT BSPT AT BT ST BST
Metric, 4mm Shaft1
Terminals Solder Lug
SEE BELOW
SEE BELOW
22.5
1 2
02 thru 16 02 thru 08
N or S N or S
www..com
K KS KST KT
E ES EST ET
Solder Lug
30
1 2 3 4
02 thru 12 02 thru 06 02 thru 04 02 or 03
N or S N or S N or S N or S
51
SEE BELOW
SEE BELOW
PC Mount
22.5
1 2
02 thru 16 02 thru 08
N or S N or S
KP KPT KSP KSPT
Rotary Switches
EP EPT ESP ESPT
PC Mount
30
1 2 3 4
02 thru 12 02 thru 06 02 thru 04 02 or 03
N or S N or S N or S N or S
Military Style
Style Choices 1/4" Shaft Angle of Throw Number of Poles Number of Positions Per Pole Shorting or Non-Shorting Contacts
Series
Std., 1/8" Shaft C CB CBT CD CT M MB MBT MT
Metric, 4mm Shaft
Terminals
KM KMB KMBT KMT
EM EMB EMBT EMT
Solder Lug
30
1 2 3 4
02 thru 12 02 thru 06 02 thru 04 02 or 03
N or S N or S N or S N or S
51 CBP CBPT CDP CP CPT MBP MBPT MP MPT
1
KMBP KMBPT KMP KMPT
EMBP EMBPT EMP EMPT
PC Mount
30
1 2 3 4
02 thru 12 02 thru 06 02 thru 04 02 or 03
N or S N or S N or S N or S
Contact Grayhill if 1/4" or metric shaft required with a 22.5 angle of throw.
60525-5997 * USA * Phone: 708-354-1040 * Fax: 708-354-2820 * www.grayhill.com
Grayhill, Inc. * 561 Hillgrove Avenue * LaGrange, Illinois
Rotary 9
Single Deck Rotary Switches
ADDITIONAL FEATURES
Economy keylock switch, isolated position, spring return, and coded switches are available in similar series. See Keylock and Special Function Rotary Switch sections. Available from your local Grayhill Distributor. For prices and discounts, contact a local Sales Office, an authorized local Distributor, or Grayhill.
ORDERING INFORMATION: Series 50
www..com 50AT36-01-1-10N-F
Series: Series 50 (36, 45, 60, or 90) Style*: Letters from Choices Chart Angle of Throw: 36, 45, 60, or 90 Stop Arrangement: Needed only with 1 pole switches with maximum positions. Leave blank for continuous rotation; add F for fixed stop. Type of Contacts: N = Non-shorting, S = Shorting Positions Per Pole: 02 as a minimum to the maximum allowable for the angle of throw and the number of poles per the Choices Chart. Use Letters AJ in this location if adjustable stop switch is ordered. Poles per Deck: See chart Number of Decks: 01 only
* 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.
ORDERING INFORMATION: Series 51
Rotary Switches
Series: Series 51 (30; 22.5) Style*: Letters from Choices Chart Angle of Throw: Use 22 (for 22.5), 30 51SPT30-01-1-12S-F Stop Arrangement: Needed only with 1 pole switches with maximum positions. Leave blank for continuous rotation; add F for fixed stop. Type of Contacts: N = Non-shorting, S = Shorting Positions Per Pole: 02 as a minimum to the maximum allowable for the angle of throw and the number of poles per the Choices Chart. Use Letters AJ in this location if adjustable stop switch is ordered. Poles per Deck: See chart Number of Decks: 01 only
* 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.
Rotary 10
Grayhill, Inc. * 561 Hillgrove Avenue * LaGrange, Illinois
60525-5997 * USA * Phone: 708-354-1040 * Fax: 708-354-2820 * www.grayhill.com

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