Rotary Switches
 
 
Rotary Switches: All Other

Rotary Limit Switch

(SWX) 45-306-649-1637
Micron Instruments rotary limit switch. Servo / clamp ring mount. 19 pin circular connector. 0.364" diameter shaft. 3-1/2"D x 5"L. 512 turns to repeat function and infinitely adjustable cams. Triple limit switch assembly.

 

Rotary Switch
1P4T / Silver Contacts

(SWR) 3924-01663
Rotary switch. SP4T plus extra contact makes in CCW starting position. 2 amp silver contacts. 1-3/8" diameter, 1-5/8" behind panel depth. Mounts in 3/8" hole. 1/4"D x 1/2"L shaft. Made in 1977. NSN: 5930-00-005-4864.
$150 each - $125 (3+)
 
$5 each - $4 (6+)

KWM-380 Meter Switch
1P4T

(COL) 259-2936-030
1P4T Unidex style rotary switch. 1" diameter, 1/4" shaft. Replacement part for KWM-380.
 

Rotary Switch
1P9T / Silver Contacts

(SWR) 40C83462H05
OAK phenolic wafer switch, silver contacts, 1-1/2" diameter, 7/8" deep behind panel. 1/4" shaft. 30º index.
$8 each - $7 (6+), $6 (25+)
 
$6 each - $5 (6+), $4.25 (25+)

Rotary Switch
1P9T / 30º Index

(SWR) A6654C
30º index. Precision, high current, attenuator type rotary switch. Gold contacts. 2-3/16" square. 1-1/2" behind panel. 1/4" x 7/8" long shaft.
 

Daven
1P12T

(SWR) 742089-3
Daven precision, low resistance, high current (25 amps) rotary switch. Gold contacts. 2-1/4" square. 1-3/4" behind panel. 1/4" x 1/2" long shaft.
$45 each
 
$59 each

Rotary Switch
2P2T

(SWR) 7707232-3
OAK 30º composite (ceramic like) wafer. 1-1/4" diameter, 1" behind panel. 1/4" shaft.

 

Rotary Switch
2 Pole / 3 Position

(SWR) 3123J
Mallory universal breakaway shaft rotary switch. 1/4" x 2" shaft can break down to 1.5”, 0.75” and 0.375”. Shorting contacts.  1.25”D body, 0.75” behind panel.
$3.50 each - $3 (10+)
 
$5 each - $4 (5+), $3 (25+)

Rotary Switch
2P6T / Silver

(SWR) 3126J
"Make Before Break", heavy silver contacts, 1-1/4" diameter, 7/8" deep behind panel. 1/4" break away shaft is 2" long and breaks off to 3/8", 3/4" or 1-1/2".
 

Rotary Switch
3P4T

(SWR) 82891E01
CRL, 2 fiberglass sandwiched wafers. Top, inside and bottom, all have 1P4T configuration 30º index, 1" diameter. 5/8" behind panel. 1/8" shaft.
$9 each - $8 (6+), $7.50 (25+)
 
$6 each - $5.25 (3+)

Rotary Switch
3P16T

(SWR) 2H50A16-3X96K
Shallcross Mfg. Co. rotary switch. 3P16T, 3 wafer, silver contacts. 22.5º index. 1-3/4" square, 2-1/4" behind panel depth. 1/4"D x 5/8"L shaft. NSN: 5930-961-1982.
 

Rotary Switch
8P4T

(SWR) 2H68A4-2X93N
Shallcross Mfg. Co. rotary switch. 8P4T. 2 wafer. Silver contacts. 1/4"D x 0.61"L shaft. 1-3/4" square body, 1-3/4" behind panel depth. Fiberglass wafers. 22.5º index in stainless steel hardware. NSN: 5930-00-961-1987.
*** SOLD OUT ***
 
$75 each

Rotary Switch
3P48T

(SWR) 4A00A48-3
Shallcross Mfg. Co. rotary switch. 3P48T on 3 wafers. 4 amp silver contacts. 7.5º index. 2-1/2" square, 2-1/4" behind panel depth. 1/4"D x 3/4"L shaft. Make before break. NSN: 5930-225-9964.
 

Unidex
4P2T

(SWR) 262363-1
OAK 45º Unidex, 1" diameter, 1" deep behind panel. 1/4" shaft, 3/16" long. 1 wafer.
$250 each
 
$4 each - $3.50 (3+)

Shallco
4P11T

(SWR) 231-DM-11A
Precision, high current, low resistance, attenuator type rotary switch. Gold / silver contacts. 2-1/4" square. 2-1/2" behind panel. 1/4" x 1/2" long shaft, adjustable stop.
 

Rotary Switch
6P3T

(SWR) A13613-1B
Shallco rotary switch. 6P3T. Switch is equipped with 5 positions but index sweeps over position 2 & 4. High current, low resistance gold-silver contacts. 2-1/4" square, 3-3/4" behind panel. 1/4"D x 7/8"L shaft. NSN: 5930-00-998-9264.
$95 each
 
$69 each

 

Precision Rotary Switch
6P8T

(SWR) 37942
Precision, high quality, low resistance, attenuator type rotary switch. 3 sections, each 2P8T. Gold contacts. 2-5/8" square. 4-3/8" behind panel. 1/4" shaft.
 
 
$150 each
 

Shallco Rotary Switch
8P8T

Front View Rear View
(SWR) 10144
Shallco rotary switch. 8P8T. 2 wafers - each with 4 poles, 8 positions. Break before make. Gold terminals. Stop pins can be removed for free rotation. Mounts by tapped front panel or 3/8" bushing. 2-1/4" x 2-1/4" x 2-1/2" behind panel depth. 1/4" x 5/16" shaft. NSN: 5930-868-3172.
 

Precision Rotary Switch
9 Pole / 10 Position

(SWR) SC423-031
Plessey type 72 precision rotary switch. 9 pole, 10 position. 3 wafers, 3 pole, 10 positions each. 10º index. Silver contacts. NSN: 5930-005-9281.
$125 each - $107 (3+)
 
$119 each

Shallcross
16P3T

(SWR) 2J68-B34-DK14
30º index, precision, high current rotary switch. Gold contacts. 2" square. 2-3/4" behind panel. 1/4" x 1-1/2" long shaft.
 

Rotary Switch
16P18T

(SWR) 3352
Langevin precision rotary switch. 16P18T. Each of 8 wafers have front and rear set of 2 amp contacts. 15º index. 2-3/4" x 3-3/4" x 7-1/2" behind panel. 1/4"D x 3/4"L shaft.
NSN: 5930-817-3787.
$95 each
 
$500 each

Plessy Type 72 Rotary Switches
Precision, Low Resistance

(SWR) 72-73-36 (SWR) 72-73-25 (SWR) 72-73-43 (SWR) 72-73-36-1 (SWR) 72-73-36
 

Very expensive high quality switches have low resistance and high reliability. Stops can be adjusted on some models. Modify for make before break by engaging adjacent unused contacts or leave as is for break before make. 1/4" shaft x 5/8" long. Silver contacts.

 
Part Number
Config.
Wafers
Per Wafer
Index
Diameter
Length Behind
Amps
Price
 
(SWR) 72-73-36 2P7T 1 2P7T 24º 2-1/8" 1-3/8" 5 amps
45.00
(SWR) 72-73-25 2P15T 2 1P15T 24º 2-1/8" 2" 5 amps
85.00
(SWR) 72-73-43 4P7T 2 2P7T 24º 2-1/8" 2" 5 amps
75.00
(SWR) 72-73-36-1 6P3T 2 3P3T 24º 2-1/8" 2" 5 amps
65.00
(SWR) 72-73-39 8P3T 2 4P3T 24º 2-1/8" 2" 5 amps
75.00

 

Tech Labs

Close-up of 5 amp silver rectangular contact.
Make before break.

All: 15º Index, 2-1/4" diameter. 6P12T indicates 6 individual wafers each with 12 positions.
 
 
Part Number
Pic
Configuration
Wafers
Per Wafer
Length Behind
Price Each
 
SWR) 2A3N2-1 Pic
3P2T
1
3P2T
1-3/8"
25.00
(SWR) 2A4N2-1 Pic
4P2T
1
4P2T
1-3/8"
29.00
(SWR) 2A1S12-6 Pic
6P12T
6
1P12T
5-3/4"
95.00
(SWR) 2A1S12-7 Pic
7P12T
7
1P12T
6-1/4"
115.00