Ceramic Rotary Switches - Radio Switches
Vacuum Rotary Switch
SP6T / 20 kv / 20 amps
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(SWR) RN3B-00N300
Very Rare! Jennings vacuum rotary switch. SP6T, 20 kv, 20 amps. 6 position. Includes knob. 3.2"D front flange. 6 hole bolt pattern.
$650
Radio Switch
13 kv @ 30 amps
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(SWR) RS6T-30A
Radio switch. Wafer 1: SP6T, skipping 1 position. Wafer 2: (See photo), 3 terminal rotor connects common wiper in all 6 positions. 36º index. 13 kv @ 30 amps. Movable stops. 3-3/4" x 5"D, 6-1/2"L. 1/4" x 1"L shaft. 4-1/2" staybolt centers. Only one available.
$495
Chrome Battleship
Shorting Selector Switch
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(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.
$250 each
1 Pole - 3 Throw
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(SWR) RS3T-30A
Radio Switch. SP3T, 13 kv, 30 amp. 1 wafer. 36º index. 3-3/4" - 5" diameter, 3-7/8" depth. 1/4"D x 1"L shaft.
$275
1 Pole - 3 Throw
+ Shorting Wafer* / 13 kv / 30 amps
Radio Switch - Model 88
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(SWR) 86-1-3
Single pole, 3 throw high voltage / high current ceramic switch. Pairs of wipers connect pairs of contacts - like a transfer / bypass switch, dual wipers and all contacts may be moved for different configurations - up to 8 positions. 45° indexing with mounting brackets. Silver plated contacts. 3-3/4" diameter. 3-1/4" behind panel, 5/16" shaft.
$195 each
1 Pole - 11 Throw
7 kv / 30 amps
Radio Switch - Model 86
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(SWR) 86-1-11
Scientific Radio ceramic RF switch. Easily handles 7kv. 30º index. 3-3/8" diameter x 3-1/2" behind panel depth. 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. New!!
$295
General Electric
2 Position / DPST
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(SWR) CG-47368
General Electric CG-47368. WW2 ceramic switch. DPST 2 position. Includes vintage knob. Made in 1945. New in Box. 2 3/4"D. 2 1/4" behind panel depth.
$139
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.

$395 each
2 Pole - 11 Throw
7 kv / 30 amps
Radio Switch - Model 86
(SWR) 86-2-11
Scientific Radio ceramic RF switch. Easily handles 7kv. 30º index. 3-3/8" diameter x 4-3/4" behind panel. 1/4" x 1" shaft. Mounts by front support posts 2-7/8" apart. Switch includes original Radio Switch index as pictured. Non-shorting.
$289 each
2 Pole - 11 Throw
7 kv / 30 amps
Radio Switch - Model 86
(SWR) 86-2-11N
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. New!!
*** SOLD OUT ***
(SWR) 86-2-11U
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. Used, removed.
$209 each
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.
$345 each
2 Pole - 5 Throw
13 kv / 30 amps
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(SWR) RS5T2-30A
Radio Switch. 2P5T, 13 kv, 30 amp. Currently configured in parallel. Only one available.
$295
3 Pole - 5 Throw
13 kv / 30 amps
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(SWR) RS5T-30A
Radio Switch. 3P5T, 13 kv, 30 amp. 60º index, 3 wafer. Makes a great amplifier band switch. 3-3/4" x 5"D x 6-3/8" depth. 1/4" x 1-1/2"L shaft. New, old stock.
$559 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.
*** SOLD OUT ***
3 Pole - 11 Throw
20 kv / 40 amps
Radio Switch - Model 90
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(SWR) 90-3-11
Radio switch Model 90 RF rotary switch. 20 kv, 40 amps. 3 pole, 11 throw for a total of 3P11T. Aluminum frame, ceramic wafers, silver plated contact. 30° index, break before make. No index mechanism. Ball bearings on shaft. Stepped shaft. 1/4" x 3/8" stainless front. 3/4" ceramic rear. Knob shaft protrudes 2" in front of frame. 1-7/8" spacing between wafers. Each contact has corona disk. 13-1/4"L x 8-1/2"D. Alt P/N: M-15865.
$850 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.
$399 each
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!
*** SOLD OUT ***
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.
$425 each
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.
$595 each
Radioswitch 11 Position
Spare Ceramic Wafer
(SWR) 90-11WAF
Radioswitch 11 position spare ceramic wafer. Series 90.
$150 each
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!
$475 each
4 Pole - 11 Throw
13 kv / 30 amps
Radio Switch - Model 88
(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. No index.
$565 each
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.

$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??
$111 each
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.
$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.
$699 each
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. 20º index.
$125 each - $110 (3+)