Vacuum Relays
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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.
 

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.
$45 each - $39 (3+)
 
$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.
 

Latching Relay
SPST / 8 kv / 30 amps
(KV) RF4B-26N578
Light weight vacuum relay mounts anywhere, inside or 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. Used, removed. Fits 3/4" hole. 2" long.
$85 each
 
$59 each - $49 (3+)

Latching Relay
SPST / 8 kv / 30 amps
(KV) RF4B-26S
Light weight vacuum relay mounts anywhere, inside or 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. Fits 3/4" hole. 2" long. New!!
 

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.
$110 each
 
$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.
 

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.
$125 each
 
$85 each
 

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 / 24 vdc / 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.
 

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...
$117 each
 
$895 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.
 

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.
$395 each
 
$425 each

Other SPST / DPDT Vacuum Relays
Part Number
Pic
Mfg.
Config.
Coil
Description / Notes
Price
  
(KV) RB1R Pic - SPST -
N.C.
175.00
(KV) RD-1 - - SPST 26v N.O. 105 ohm, 30kv, 20a. Mounts in 1.3" hole
250.00
(KV) RD6F Pic - SPST 26.5v N.O.. Flange base
125.00
(KV) RF58 Pic - SPST 26v
Rubberized, w/ leads
175.00
(KV) RF59 Pic - SPST 26v
-
145.00
(KV) RGD7 Pic - DPDT 26.5 vdc 7.5kv, 30 amp, nut base
375.00
(KV) RF41-26N907 - - SPST 26.5v N.C. New. 922-1020-060
75.00
(KV) RS10-26S - Jennings SPST 26.5v, 120 ohm N.C. 28kv, 75 amps. New
517.00
(KV) RF40-26N906 - Jennings SPST 26.5v, 47 ohm Latching, 3.6kv. New
75.00
(KV) RF40-26N906 - Jennings SPST 26.5v, 47 ohm Latching, 3.6kv. Used
49.00
(KV) RJ8A-26N - Jennings SPST 26.5v, 265 ohm N.O.
495.00
(KV) K42A332 - Kilovac SPST 26.5v -
175.00
(KV) K43B-04 - Kilovac SPST 26.5 vdc N.C.
99.00
(KV) RF46-26 - Jennings SPST - Latching, New
109.00
(KV) RF49-26S/U - Jennings SPST 26.5v N.O. Used, removed
85.00
(KV) RF44-26S - Jennings SPST 26.5v, 80 ohm N.O. New
115.00
(KV) RF50-26S - Jennings SPST 26.5 vdc, 290 ohm N.C. Turret terminals, 12 amp, 10kv, New
95.00
(KV) K41P-01 - Kilovac SPST 26.5v, 80 ohm Latching
89.00
(KV) K41P-05 - Kilovac SPST 26.5v, 80 ohm Latching. Used
35.00
(KV) K41P-08 - Kilovac SPST 26.5v, 80 ohm Latching. 12 amp
89.00
(KV) KC20-26 - SPST - 26.5 vdc, 120 ohm
N.O. 100 amp, 30 kv. New
450.00