Vacuum Relays: SPST (Latching & Non-Latching)
Vacuum Relay
SPST / 3.6 kv / 12 amps
(KV) K41B-02
Kilovac or Jennings RF41-26N907 normally closed vacuum relay. 26 vdc, 290 ohm coil. Mounts in 1/2" hole. 1-3/4" long. New.
$45 each - $39 (3+)
Latching Relay
SPST / 4 kv / 12 amps
(KV) RE40-26
Jennings vacuum relay latches in both directions. 26 vdc coil. Mounts in 1/2" hole. 2-1/8" long. New. 2000 available.

Perfect relay for switching antenna elements, phased arrays and traps in and out, even at the gamma match! Simply pulse either "open" or "close" coils with 16-30 vdc SPST relay contact. No need to maintain constant voltage to hold position. Practical for indoor or outdoor applications.
$35 each - $30 (3+), $26 (20+), $23.75 (100+)
Vacuum Relay
SPST / 7.5 kv / 12 amps
(KV) RF5A-26S
Jennings normally closed vacuum relay. 26 vdc, 920 ohm coil. Mounts in 1/2" hole. 1-3/4" long. New.
$85 each
Gas Filled Relay
SPST / 25 kv / 30 amp / N.O.
(KV) KC28/S1
Kilovac / Tyco SF-6 gas filled relay. SPST, normally open. 25 kv, 30 amp contact. 28 vdc, 48 ohm coil. Can switch 2000 amps peak for 400 ns. 3-3/4" overall length. Mounts in 1.2" hole. New, unused. Factory price: $2,660.00. Our price...
$895 each
Vacuum Relay
SPST / 12 kv / 15 amps / N.O.
(KV) RD5A
Jennings vacuum relay with flange base fits 3/4" hole. Envelope rises 2" above base. 26 vdc coil. SPST, 12 kv, 15 amps, normally open. New.
$85 each
Vacuum Relay
SPST / 12 kv / 15 amps / N.C.
(KV) RD6B-115N
Jennings vacuum relay. Contact: SPST, 12 kv, 15 amps, normally closed. Coil: 115 vdc, 3,450 ohms.
$125 each
Vacuum Relay
SPST / 12 kv / 15 amps / N.C.
(KV) RD6B-26
Jennings vacuum relay with flange base fits 3/4" hole. Envelope rises 2" above base. 26 vdc coil. SPST, 12 kv, 15 amps, normally closed. New.
*** SOLD OUT ***
Vacuum Relay
SPST / 15 kv / 12 amps
(KV) RF83D-26S
Latching vacuum relay. SPST, 15kv, 12 amps, 26.5 vdc, 47 ohm coil. Mounts in 1/2" hole. New.
$125 each
High Voltage Reed Relay
SPST / 24v DC / 5 kv


(KV) W102VX-51
Magnecraft high voltage reed relay. SPST. 24 vdc, 1000 ohm coil. Switching: 5 kv peak. 7/8" x 4-1/2"L.
$117 each
High Voltage Reed Relay
SPST / 24v DC / 5 kv
(KV) W102VX-55
Magnecraft high voltage reed relay. SPST. 24 vdc, 2900 ohm coil. Switching: 5 kv peak. 7/8" x 4-1/2"L.
$117 each
Vacuum Relay
28 kv / 75 amps / N.O.
(KV) RS8-115
Jennings high current vacuum relay. 28 kv, 75 amp, 115 vdc, normally open. Mounts in 1-3/16" hole. 2-7/8" above base.
$395 each
High Current Vacuum Relay
SPST / 28 kv / 75 amps
(KV) RS10-26S
Jennings high current vacuum relay mounts in 1-3/16" hole. 26 vdc coil. 2-7/8" above base. Normally closed.
*** SOLD OUT ***
High Current Vacuum Relay
SPST / 28 kv / 110 amps
(KV) RJ8A-26S
Jennings high current vacuum relay. 26.5v, 120 ohm. N.O. 28 kv, 110 amps @ 60 Hz. New.
$695 each

Other SPST / DPDT Vacuum Relays

Part Number Pic Mfg. Config. Coil Description / Notes Price
(KV) RB1R Pic - SPST - N.C. 175.00 Add
(KV) RD-1 - - SPST 26v N.O. 105 ohm, 30kv, 20a. Mounts in 1.3" hole SOLD OUT
(KV) RD6F Pic - SPST 26.5v N.O.. Flange base 125.00 Add
(KV) RF58 Pic - SPST 26v Rubberized, w/ leads 175.00 Add
(KV) RF59 Pic - SPST 26v - 145.00 Add
(KV) RGD7 Pic - DPDT 26.5 vdc 7.5kv, 30 amp, nut base 375.00 Add
(KV) RF41-26N907 - - SPST 26.5v N.C. New. 922-1020-060 75.00 Add
(KV) RS10-26S - Jennings SPST 26.5v, 120 ohm N.C. 28kv, 75 amps. New SOLD OUT
(KV) RF40-26N906 - Jennings SPST 26.5v, 47 ohm Latching, 3.6kv. New 275.00 Add
(KV) RF40-26N906 - Jennings SPST 26.5v, 47 ohm Latching, 3.6kv. Used 49.00 Add
(KV) K42A332 - Kilovac SPST 26.5v - 175.00 Add
(KV) K43B-04 - Kilovac SPST 26.5v DC N.C. 99.00 Add
(KV) RF47-26S/U Pic Jennings SPST 26.5v DC, 80 ohm Latching, 8 kv, 35 amp, Requires Heat Sink, Used. 95.00 Add
(KV) RF46-26 - Jennings SPST - Latching, New 109.00 Add
(KV) RF44-26S/U Pic Jennings SPST 26.5v, 80 ohm N.O. Used, removed 85.00 Add
(KV) RF44-26S - Jennings SPST 26.5v, 80 ohm N.O. New 115.00 Add
(KV) RF50-26S - Jennings SPST 26.5 vdc, 290 ohm N.C. Turret terminals, 12 amp, 10kv, New 95.00 Add
(KV) K41P-01 - Kilovac SPST 26.5v, 80 ohm Latching 89.00 Add
(KV) K41P-05 - Kilovac SPST 26.5v, 80 ohm Latching. Used 35.00 Add
(KV) K41P-08 - Kilovac SPST 26.5v, 80 ohm Latching. 12 amp 89.00 Add
(KV) KC20-26 - - SPST 26.5 vdc, 120 ohm N.O. 100 amp, 30 kv. New 450.00 Add