Shallco Specializing in Attenuators, Rotary Switches, and Power SwitchesClick here to view our CAD Drawings

Precision Rotary Switch Productsa



Subminiature and Open Frame Rotary Switches


Specifications

a

Shallco Series C, D, E & F

Open Frame Rotary Selector Switches


These products are manufactured of premium grade materials selected to withstand moderate environments and provide reliable service. They meet or exceed the general requirements of MIL-S-3786, a military specification for rotary switches.

    Electrical Specifications
  • Current carring capacity--10 amperes
  • Current switching capacity--up to 2 amperes
  • Contact resistance-initial-0.005 ohms max.
  • Contact resistance-after life-0.01 ohms max.
  • Insulation resistance-50,000 megohms
  • Dielectric withstanding voltage-1500v rms
  • Dielectric withstanding voltage after life-1000v rms
    Mechanical Specifications
  • Rotational life-50,000cycles* min. @ .250 amperes @ 85 degrees C
  • Stop torque-50 pound-inches
  • Adjustable stops-to any desired position
  • Optional features: 3/8-32 UNEF-2A bushing mount with "O" ring seals
  • Progressively shorting wiper assemblies are available for 24, 32, 36 and 40 position devices
    • * One cycle = one full cw plus one full ccw rotation

Six-place "shorthand" code for specifying part numbers

aRefer to product tables for each series to determine available options

 

Example shown: two deck, one pole/deck, 30 degree detent angle, Series E, non-shorting and 12 positions/pole

a

Series A M Tap L Dpth. (deck adder)
C 1.75 1.375 6-32 1.344 .906
D 2.25 1.500 8-32 1.438 1.063
E 2.75 1.500 8-32 1.438 1.063
F 2.938 1.500 8-32 1.438 1.063

Notes: Switches above 5 decks are provided with tapped rear support standoffs. Add 0.343 inch to depth when rear support spacers are supplied. Special mounting platforms are required above 9 to 10 decks.

Precision Rotary Switch Catalog PDF
(Size: 2.0 MB)

 

1/2-Inch Subminiature Rotary Switch "G" Series

aDesigned to Meet the Requirements of Mil-S-3786/20

Subminiature switches are manufactured of premium grade materials selected to withstand moderate environments and provide reliable service. They meet or exceed the general requirements of MIL-S-3786/20, a military specification for subminiature rotary switches.

a

    Electrical Specifications

  • Current carring capacity--3 amperes
  • Current switching capacity--up to 1 amperes
  • Contact resistance-initial-10 milliohms max.
  • Contact resistance-after life-20 milliohms max.
  • Insulation resistance-10,000 megohms
  • Dielectric withstanding voltage-600v rms min.

    Mechanical Specifications

  • Rotational life-25,000 cycles* min. @ .200 amperes @85 degrees C
  • Stop torque-7.5 pound-inches min.
  • Optional features: 3/8-32 UNEF-2A bushing mount with "O" ring seals
  • * One cycle = one full cw plus one full ccw rotation
  • Exterior Enclosure: stainless housing
  • Molded Parts: diallyl phthalate, per Mil-M-14
  • Mounting: double flatted bushing 1/4-28 UNF-2A thread

Shorting/Non-Shorting

Part No. Detent Angle Max. Pos./Pole Poles Part No. Detent Angle Max. Pos./Pole
15-GM 30 12 one 11-GB 30 12
25-GM " 6 two 21-GB " 6
35-GM " 3-4 three 31-GB " 3-4
45-GM " 3 four 45-GB " 3
18-GM 36 10 one 16-GB 36 10
28-GM " 5 two 26-GB " 5
48-GM " 2 four 46-GB " 2
17-GM 60 6 one 18-GB 60 6
27-GM " 3 two 28-GB " 3

 

How to Order:

Basic Part No. Fixed Stops Shaft Length, +/- 1/16 in. Flat Length, +/- 1/16 in. Terminals
See above table> "F"= fixed
"R"= continuous		 16ths of inch
10=10/16=0.625 inch
16=16/16= 1.0 inch		 16ths of inch
04=4/16=0.250 inch
11 max. on a
1.00 inc long shaft		 P= Printed Ckt.
S= Solder Lug

Note: Flats are located diametrically opposite position #1 with switch in position #1 (see diagrams)

Example: 18-GB-6F1004P 1 pole, 60 degrees, non-shorting, fixed stops, 0.625 shaft length
(from mounting surface), 0.250 flat length, printed ckt. terminals

 

Printed Circuit Terminal Pin Diameters and Pin Size

Deg.
Indexing		 1 Pole,
Outer		 P/C
Terminal		 2 Pole P/C
Terminal
Outer Inner
30 .377 .02x.02
x.125lg		 .377 .184 .02x.02
x.125lg
30
New		 . . . . .
36 .352 .031x.015
x.111lg		 .352 .140 .031x.015
x.111lg
36
New		 .321 .020x.020
x.125lg		 .321 .125 .020x.020
x.125lg
60 .352 .031x.015
x.111lg		 .352 .140 .031x.015
x.111lg
60
New		 .321 .020x.020
x.125lg		 .321 .125 .020x.020
x.125lg

 

Deg.
Indexing		 3 Pole P/C
Terminal		 4 Pole P/C
Terminal
Outer Inner Outer Inner
30 3 pos.
.377		 3 pos.
.184		 .02x.02
x.115lg		 .377 .184 .02x.02
x.115lg
30
New		 4 pos.
.377		 4 pos.
.232		 .02x.02
x.125lg		 . . .
36 . . . .352 .140 .031x.015
x.111lg
36
New		 . . . . . .
60 . . . . . .
60
New		 . . . . . .

 

 

Series J Enclosed Rotary Selector Switch, 1 inch diameter

aElectrical:

Current Capacity: 10 amperes
Switch Capacity: 1 ampere (28vdc, resistive)
Contact Resistance: 5 milliohms max.
after life: 20 milliohms max.
Insulation Resistance: 50,000 megohms
Voltage Breakdown: 1000 vac, after life: 500 vac min.

Mechanical:

Rotational life: 50,000 cycles
Stop torque: 15 inch-pounds min.
Stops: Factory set
Rotational torque: 8-120 oz.-inches (decks & pole dependent)
Shaft: 0.250 inch dia. w/flat opposite moving contact
Mounting: 3/8-32 UNEF-2A bushing, all hardware supplied

a

Shorting \Non-Shorting

Series Detent Angle Max. Pos./Pole Poles Series Detent Angle Max. Pos./Pole
1130-JM 30 12 one 1130-JB 30 12
1230-JM " 6 two 1230-JB " 6
1330-JM " 4 three 1330-JB " 6
1430-JM " 3 four 1430-JB " 3

 

Circuit Diagrams

a

Viewed from shaft end and shown in position #1 (extreme CCW pos.)

 

aSeries C Rotary Selector Switch, 1.75 inches square

a

 

Shorting Non-Shorting

Series Detent Angle Max. Pos./Pole Poles Series Detent Angle Max. Pos./Pole
111-CM 15 24* one 111-CB 30 12**
112-CM 11.25 32* " 112-CB 22.5 16**
121-CM 15 11 two 121-CB 30 6
122-CM 11.25 15 " 122-CB 22.5 8
131-CM 15 5 three 131-CB 30 3
132-CM 11.25 7 " 132-CB 22.5 4
141-CM 15 5 four 141-CB 30 3
142-CM 11.25 7 " 142-CB 22.5 4
* Max. no. of positions, continuous rotation only.
** Supplied as cont. rotation, stops on request.

 

aSeries D Rotary Selector Switch, 2.25 inches square

 

a

Shorting Non-Shorting

Series Detent Angle Max. Pos./Pole Poles Series Detent Angle Max. Pos./Pole
111-DM 15 24* one 111-DB 30 12**
112-DM 11.25 32* " 112-DB 22.5 16**
113-DM 7.5 48 " 113-DB 15 24**
121-DM 15 24 two 121-DB 30 12
122-DM 11.25 32 " 122-DB 22.5 16**
123-DM 7.5 23 " 123-CB 15 12
141-DM 15 11 four 141-DB 30 6
142-DM 11.25 15 " 142-DB 22.5 8
* Max. no. of positions, continuous rotation only.
** Supplied as cont. rotation, stops on request.

 

aSeries E Rotary Selector Switch, 2.750 inches square


a

Shorting Non-Shorting

Series Detent Angle Max. Pos./Pole Poles Series Detent Angle Max. Pos./Pole
111-EM 15 24* one 111-EB 30 12*
112-EM 11.25 32 " 112-EB 22.5 16*
113-EM 7.5 48 " 113-EB 15 24*
121-EM 15 24* two 121-EB 30 12*
122-EM 11.25 32 " 122-EB 22.5 16*
123-EM 7.5 48 " 123-EB 15 24*
141-EM 15 11 four 141-EB 30 6
142-EM 11.25 15 " 142-EB 22.5 8
143-EM 7.5 23 " 14-EB 15 12
161-EM 15 7 six 161-EB 30 4
162-EM 11.25 9 " 162-EB 22.5 5
163-EM 7.5 15 " 163-EB 15 8
181-EM 15 5 eight 181-EB 30 3
182-EM 11.25 7 " 182-EB 22.5 4
183-EM 7.5 11 " 183-EB 15 6
* Supplied as cont. rotation, stops available on request.

 

Series F Rotary Selector Switch, 2.938 inches square

a

Shorting Non-Shorting

Series Detent Angle Max. Pos./Pole Poles Series Detent Angle Max. Pos./Pole
114-FM 6 60 one 114-FB 12 30
Home  |  Company Info  |  Site Map  |  Contact Us  |  ©2007 Shallco