RF Coaxial Relays
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RF Coaxial Relays: "N" Connectors

SPDT "N" Relay - Tohtsu®
2000wCW

(KC) CX-600NL

• Coil: 12 vdc, 160ma, 75 ohm
(9-16.6 vdc, 1.5vdc drop out)
• 2000wCW @ 50 MHz, 60 dB isolation,
0.07 dB max Insertion Loss
• 1800wCW @ 150 MHz, 48 dB isolation,
0.09 dB max Insertion Loss
• 1500wCW @ 500 MHz, 35 dB isolation,
0.1 dB max Insertion Loss
• 1000wCW @ 1 GHz, 28 dB isolation,
0.15 dB max Insertion Loss
• Switching Time: 20ms max. pull in time,
15ms max. drop out time
• Operating Temperature: -50ºC to + 75ºC
 

SPDT "N" Relay - Tohtsu®
2300wPEP

(KC) CZX-3500

• Coil: 12 vdc, 250ma, 48 ohm
(10-14 vdc, 1.5 vdc drop out)
• 2300wPEP @ 50 MHz, 65 dB isolation,
0.01 dB max Insertion Loss
• 2000wPEP @ 150 MHz, 65 dB isolation,
0.1 dB max Insertion Loss
• 1000wCW @ 500 MHz, 65 dB isolation,
0.2 dB max Insertion Loss
• 800wCW @ 1 GHz, 65 dB isolation,
0.25 dB max Insertion Loss
• 500wCW @ 2 GHz, 65 dB isolation,
0.3 dB max Insertion Loss
• 250wCW @ 3 GHz, 60 dB isolation,
0.3 dB max Insertion Loss
• 150wCW @ 4 GHz, 55 dB isolation,
0.35 dB max Insertion Loss
• Switching Time: 20ms max. pull in time,
18ms max. drop out time
• Operating Temperature: -50ºC to + 70ºC

$95 each - $90 (6+)
 
$129 each - $124 (6+)

Fail Safe Transfer Switch
0 - 12.4 GHz / 28 vdc

(KC) 310C00100
Transco fail safe transfer switch. 0 - 12.4 GHz, 28 vdc. 60 dB isolation minimum @ 12.4 GHz, 90 dB @ 10 MHz. 1.5 : 1 max VSWR @ 12.5 GHz (1.2 : 1 typical). 100 watts - 12.4 GHz, 1,000 watts @ 1 MHz. Type "N" connectors, 50 ohm. Break-before-make contacts.

All transfer switches have 4 ports and all operate the same way. Label ports 1, 2, 3 & 4. It has two positions, A & B. Position A: Ports 1 & 2 are made, 3 & 4 are made. Position B: Ports 1 & 3 are made, ports 2 & 4 are made.

Requires 6 pin circular connector to mate with MS3113H10-6P which we can supply.
$375 each (Transfer Switch only)
(CMS) 310C-6P
6 pin circular connector for Transco transfer switch (above).
 

RF Relay
SPDT - 115 vdc Coil

(KC) 300-10806
Amphenol RF relay. SPDT, 115 vdc coil. Common: 'N' connector; normally open: 'N' connector; normally closed: 'BNC' connector. Great for KWS-1 antenna chargeover relay.

Collins P/N: 410-0086-00. NSN: 5985-00-258-3205.
$345 each
 
$36 each (6 pin circular connector only)
   

SP4T RF Relay
"N" Connectors
(KC) C4N4DB-A
TRW SP4T RF relay. "N" connectors. 28 vdc, 2 kw. Brand new!!
 

RF Transfer Relay
28 vdc Coil

(KC) 412-2301
Dowkey Microwave RF 4 port transfer relay. 28 vdc coil. "N" female connectors. New!!

• Failsafe
• At 100 MHz, its 3kw @ 85 dB isolation
• At 12.4 GHz, its 350w @ 60 dB isolation
• Position 1: J1 - J3 — J2 - J4
• Position 2: J1 - J2 — J3 - J4
$350 each
 
$385 each - $349 (3+)

Pulse Latching Relay
12v / SPDT

(KC) 402-123
Dowkey Microwave pulse latching relay. 12v SPDT pulse latching coil. "N" connectors. 12.4 GHz indicating circuitry. 3 kw @ 100 mHz, 350w @ 12.4 GHz. Removed from service but very clean.
 

RF Coaxial Relay
26.5 vdc / SPDT
(KC) 60-2301
Dowkey Microwave RF coaxial relay. SPDT. 26.5 vdc coil. "N" connectors. 2 kw. DC-30 MHz.
$385 each
 
$375 each

Teledyne "N"
Transfer Relay
(KC) CS-29N1S1
Intended band was military VHF, 225-400 MHz but we have found its integrity is maintained to over 2 GHz. Handles 1000 watts plus. Make before break contact. 28 vdc coil. Made for military to spec "NA5-73674" by Quantatron, a Teledyne Company. New. All transfer switches have 4 ports and all operate the same way. Label ports 1, 2, 3 & 4. It has two positions, A & B. Position A: Ports 1 & 2 are made, 3 & 4 are made. Position B: Ports 1 & 3 are made, ports 2 & 4 are made.
 

Amphenol "N"
Transfer Relay
(KC) 300-11002-2
Highest quality transfer switch uses "make before break" configuration. Type "N" connectors. 26 vdc control, shielded coil, pre-wired. Handles up to 1500 watts, up to 1 GHz. All transfer switches have 4 ports and all operate the same way. Label ports 1, 2, 3 & 4. It has two positions, A & B. Position A: Ports 1 & 2 are made, 3 & 4 are made. Position B: Ports 1 & 3 are made, ports 2 & 4 are made.
$795 each
 
$345 each

"N" Transfer Relay
(KC) 12W1008
Compact transfer switch. Type "N" connectors. 28 vdc control, handles up to 2 kw, up to 1 GHz. Surplus Sales may substitute Transco 16500.
 

SPDT "N" Coaxial Relay
(KC) 6350-6
SPDT coaxial relay. Type "N" connectors. 115 vac coil. 2 kw pep / 1000w CW. Isolation 50 dB @ 30 MHz, 32 dB @ 400 MHz, 24 dB @ 1000 MHz. New, unused.
$275 each
 
$75 each - $65 (3+)

Transco Motor Latching Relay
SPDT / 28 vdc / 3 kw / 500 MHz
(KC) 1460-820
The Transco Rotary Relay is latching. That is to say the motor drives the armature to the next position and disengages the voltage. Relay and connector new and unused. A 5 pin circular connector for electrical control is included with this relay. SPDT. "N" connectors. 28 vdc, 3 kw, 500 MHz.
 

Coaxial Relay
115 vac Coil
(KC) 317-10255-8
Amphenol coaxial relay. 115 vac coil, 100 watt, 3 GHz. "N" female. Breaks before makes. Grounds unused port.
$195 each
 
$265 each
 
More Motor Latching Relays
 
Part Number
Description
Price
  
(KC) 1460-820
SPDT, "N" connectors, 28 vdc, 3kw, 500 MHz - Click here for PDF file
195.00
(KC) 1460-20
SPDT, "N" connectors, 28 vdc, 3kw, 500 MHz
125.00
(KC) SA-323U
SPDT, "N" connectors, 28 vdc, 5kw, 500 MHz
225.00
(KC) 1460-13-78
SP3T, "N" connectors, 28 vdc, 3kw, 500 MHz
295.00
(KC) 1460-4-96
SP4T, "N" connectors, 115vac, 3kw, 500 MHz
395.00
(KC) E18B22CA
DPDT, "BNC" connectors, 115vac, 1kw, 500Mc
345.00
(KC) SA-329
Transfer Relay (4 ports) , "N" connectors, 28 vdc, 3kw, 500 MHz
395.00

DC-11 GHz - "Y"
Relay
(KC) 11200
Transco SPDT, independent port control. Type "N" connectors. 28 vdc control. Handles up to 3kw.
$275 each
(KC) 11483-2
SPDT, Y relay as above. Type "N" connectors. Make before break.
 

100w @ 3 GHz
(KC) 317-10242-3
Amphenol, makes before breaks, Type "N" connectors. 26 vdc. 100w @ 3 GHz.
$125 each
 
$895 each
 
 

Rotary Relays
2500w - 500 MHz
(KC) C5N2EA
SPDT, 80 vdc. Type "N" connectors. Mil-spec, sealed. 50 ohm.
 

DPDT Individual
(KC) 360-11896-1003
Amphenol. Two separate SPDT relays mounted side by side, DC-6 GHz, 200 watt. 115 vac control. "N" common and BNC connectors on the ports.
$95 each
 
$249 each

Type "N" Relay
3 Position
(KC) 14724
Rated DC-12 GHz this SP3T mil-spec relay has make before break contacts, Type "N" connectors and 120 vdc individual coils.
 

Type "N" Relay
SPDT
(KC) C8N2A4
This commercial new, military surplus relay operates on 48 vdc, is usable to 500 MHz and handles 1000 watts. It has a 3 pin circular terminal connector (mating female pins $2 each).
$375 each
 
$75 each

SPDT
Type "N" & "HN" Relay
(KC) 300-11900
A superb Amphenol relay with an "HN" common port and "N" connectors for N.C. and N.O. ports. Handles 2500 watts. 1 GHz. Armature has double gold contact for reliability with "break before make" configuration. Grounds unused port. 26.5 vdc coil. New.
 

Magnecraft
6 vac Coil
(KC) 128AX25
Our most popular economy RF relay. SPDT, type "N" connectors. Mil-spec. 500 watts to 30 MHz, 200 watts to 1 GHz.
$165 each
 
$65 each - $59 (3+)
 

Motorized RF Switch
28 vdc / SP4T / Type "N"
(KC) 1460-4-U
Transco D1460-4 SP4T motorized RF switch. Type "N" connectors. 28 vdc. 5 leads brought out to terminal strip on side. Really ugly, dirty, beat up unit. Unknown condition. Sold as-is for parts only. Two available.
 
 
$125 each