RF Equipment & Parts
 
Ceramic Rotary Switches - Radio Switches

For Switch Indexes, go to the bottom of the page

Chrome Battleship
Shorting Selector Switch

(SWR) BATTLE
Chrome battleship shorting selector switch. 30 kv, ceramic. Position 1: Shorts 3 terminals to one another. Position 2: Short 2 terminals to one another. Isolated rotor. Mechanical arm shifts with rotation. New, unused.
 

1 Pole - 11 Throw
+ Shorting Wafer* - 13 kv - 30 amps
Radio Switch - Model 88

(SWR) 185027
Scientific Radio ceramic RF switch. 4" outer diameter. 1/4" x 7" long shaft (can be cut down). Switch has no stops. May use 30º index found elsewhere in this section. Brand New!

* Shorting Wafer shorts two side by side contacts to a common pole and advances with top wafer.

$250 each
 
$395 each

1 Pole - 11 Throw
7 kv - 30 amps
Radio Switch - Model 86

(SWR) 86-1-11
Scientific Radio ceramic RF switch. Easily handles 7kv. 30º index. 3-3/8" diameter x 3-1/2" behind panel. 1/4" shaft. Mounts by front support posts 2-7/8" apart. Switch does not include Radio Switch index. May use 30º index found elsewhere in this section. Brand new!
 

2 Pole - 11 Throw
7 kv - 30 amps
Radio Switch - Model 86

(SWR) 86-2-11N (new)
Scientific Radio ceramic RF switch. Easily handles 7kv. 30º index. 3-3/8" diameter by 4-3/4" behind panel. 1/4" shaft. Mounts by front support posts 2-7/8" apart. Switch does not include Radio Switch index. May use 30º index found elsewhere in this section.
$165 each
 
 
$245 each

(SWR) 86-2-11U
Same as above except used, removed.
$245 each

2 Pole - 9 Position
13 kv - 30 amps
Radio Switch

(SWR) 88-2-9
Radio Switch. 36º index. 2 pole, 9 position. 13 kv, 30 amps. 1/4" x 0.967"L shaft. 4" nominal, 5" diameter max. 5-1/2" behind panel depth. Brand new!!
 

2 Pole - 9 Throw
13 kv - 30 amps
Radio Switch

(SWR) 4333
Radio Switch. 36º index. 2 pole, 9 throw. 13 kv, 30 amps. 1/4" x 1"L shaft. 5" max diameter. 4-1/2" c-c posts, 3-1/2" behind panel depth. No index available. Switch rotates without stops.
$450 each
 
$345 each

3 Pole - 6 Throw
15 kv - 30 amps

(SWR) 3P6T15-40
Radio Switch ceramic switch with lots of power handling capability. 30º index. Mounts by three #8 standoffs on front plate. 4-3/4" outer diameter, 9-1/4" deep behind panel. 1/4" x 1-1/2" shaft.
 

3 Pole - 11 Throw
13 kv - 30 amps
Radio Switch - Model 88

(SWR) 88-3-11
Radio Switch 88 series. 4" outside diameter. Frame is 9"L x 4"W x 6"H. 3 pole, 11 throw. 13 kv, 30 amp. Prepped for used in a Scientific Radio auto tuner. Rear of frame has 11 position wafer for indicator circuitry. 1/4" shaft. Brand new!! Never used.
$275 each
 
$425 each

3 Pole - 11 Throw
13 kv - 30 amps
Radio Switch - Model 88

(SWR) 88-3-11/A
Radio Switch 88 series. 4" outside diameter. Frame is 7"L. 3 pole, 11 throw. 13 kv, 30 amp. Front shaft measures 1/4" x 1-1/2". Rear shaft measures 1/4" x 1/2". No index. Must use index found at the bottom of this page.
 

3 Pole - 11 Throw
7 kv - 30 amps
Radio Switch - Model 86

(SWR) 86-3-11
Scientific Radio ceramic RF switch. Easily handles 7kv. 30º index. 3-3/8" diameter by 5-3/4" behind panel. 1/4" shaft. Mounts by front support posts 2-7/8" apart. Switch does not include Radio Switch index. May use 30º index found elsewhere in this section. Brand new!
$399 each
 
*** SOLD OUT ***
 

4 Pole - 9 Throw
20 kv - 40 amps
Radio Switch - Model 90

(SWR) 90-4-9
36º index. Mounts by front and rear plates. 9" outer diameter, 15" long. 1/4" front shaft, 1/2" rear.
 

Radioswitch 11 Position
Spare Ceramic Wafer

(SWR) 90-11WAF
Radioswitch 11 position spare ceramic wafer. Series 90.
$595 each
 
$150 each

4 Pole - 9 Throw
20 kv - 40 amps

(SWR) 90-3-9
Similar to (SWR) 90-4-9 but index / stop not included. 1/2" shaft front only.
 

4 Pole - 11 Throw
13 kv - 30 amps
Radio Switch - Model 88

(SWR) 88-4-11
Scientific Radio ceramic RF switch. 4" outer diameter. 1/4" shaft. Switch has no stops. May use 30º index found elsewhere in this section. Brand new!
$450 each
 
$475 each

4 Pole - 11 Throw

(SWR) 88-4-11S
Radio switch. 4 pole model has 2 wafers, 11 position. 2 wafers make 2 adjacent contacts at once. (See picture). 1/4" x 2-1/2"L shaft. 4" diameter, 9" behind panel depth.
 

6 Pole - 11 Throw
7 kv - 30 amps
Radio Switch - Model 86


Dual, Two Pole Rotor Contact

(SWR) 86-6-11
Scientific Radio ceramic RF switch. Easily handles 7kv. 30º index. 3-3/8" diameter by 3-1/2" behind panel. 1/4" x 2-3/4" long shaft. Mounts by front support posts 2-7/8" apart. Switch does not include Radio Switch index. May use 30º index found elsewhere in this section. Brand new!

• 6 wafers - Each 11 positions
• 3 wafers - Single rotor contact
• 3 wafers - Dual rotor contact makes two positions at one time (as pictured), two pole configuration.

$565 each
 
$365 each

6 Pole - 2 Throw
10 amps
Radio Switch - Model 80

(SWR) 80-32
Radio Switch model 80. Easily handles 5 kv. 60º index. Silver contacts. Three wafers, each 2P2T. 2-1/2" diameter by 3-3/4" behind panel. 1/4" shaft. Mounts by front support posts 2-1/4" apart. Adjustable index wheel. A thought... move contacts from one wafer to another??
 

7 Pole - 11 Throw
13 kv - 30 amps
Radio Switch - Model 88

(SWR) 88-7-11
30º index. Mounts by 3, #8 standoffs on front plate. 4" outer diameter, 10" deep behind panel with 1/4" shaft extending extra 6-1/2" beyond that. 1/4" x 2" shaft.
$111 each
 
$595 each

7 Pole - 11 Throw
13 kv - 30 amps
Radio Switch - Model 88

(SWR) 88-7-11L
Same switch as (SWR) 88-7-11 but each contact has a long 3/8" wide silver strap pre-attached for convenient installation.
 

10 Pole - 9 Throw
4 kv - 8 amps
Radio Switch - Model 78

(SWR) 78-10-9
Deluxe radio switch model 78, a 10P9T configuration. Each of 5 thick ceramic wafers has two poles with 9 positions per. 3" outer diameter, 6-1/2" long behind panel, 1/4" shaft. Bushing mount and by support head.
$699 each
 
$125 each - $110 (3+)

 

Index with Insulated Shaft
30º Index with Movable Stop

(SWR) 5P3549
CTS index with insulated shaft. 30º index with movable stop. 1/4" x 7/16" long front shaft. 3-7/8" long double flatted nylon rear shaft. 1-1/16" c-c mounting ears.
 
 
$15 each - $13 (6+)
 

Shaft Extension
Switch Index, 5” Extension

(SWR) S10507
CTS shaft extension 30º index. 1/4" shaft index. 1/2" long shaft in front, 5" behind. 1-1/16" center - center on mounting ear holes. 3/8" bushing.
 

Shaft Extension
Switch Index, 3.75” Extension

(SWR) S10508
CTS shaft extension 30º index same as (SWR) S10507 (left) except 1/2" long shaft in front, 3-3/4" behind.
$13.75 each
 
$12 each - $10.90 (6+)

Ultra Long Shaft Extension

(SWR) 204111
CTS ultra long shaft extension. 30º index. 5-1/2" x 1/4" shaft on front / bushing end. 7" x 1/4" shaft on back side. 1-1/16" c-c mounting ears. Bushing requires 3/8" hole.
$15.50 each - $14.25 (6+), $13 (25+)