Antennas & Feedline Switching Relays

Product Details:
Deltrol relay made for use in RF circuits. 5 amp, 2kv contacts. 12 vdc coil. 1-1/16" high, 1-3/4" deep, 1-1/8" wide. Great for antenna and trap switches.

Product Details:
This device is used to switch between different antennas in a radio transmitting system.
PULL to Disengage

NEW!

Panel Meter is MISSING!

Product Details:
Double pole, 1- N.O., 1- N.C. all silver contacts. Fully adjustable travel, timing on this high voltage relay. Ceramic stand-offs. 28 vdc control. 2-5/8" x 5-1/2" long x 2-5/8" high

Product Details:
An antenna current monitor is a device used to measure the current flowing through an antenna.

Knife Switch Disconnect.

Surplus Sales of Nebraska recently acquired an enormous inventory of new Broadcast Radio parts from Commercial Radio in Cavendish, VT, such as RF Inductors, Transmitting Mica Capacitors, Vacuum Capacitors, Ceramic Capacitors, Air Variable Capacitors, Oil Capacitors, General Radio Standards, Vacuum Tubes, Broadcast Suitable Transformers, Transmitters, Relays and Contactors, Non-Inductive and Wire Wound Resistors, Fuses, Ceramic Insulators, Transmitter Panel Meters and Rheostats. Shop with confidence as you peruse this premium and vital inventory.

Please Note: Many of these items were verified and calibrated by Dan Churchill. Please inquire about specifics on any particular items of interest. Regards, Bob Grinnell.

Product Details:
Deltrol relay made for use in RF circuits. 15 amp, 6 kv contacts. 28 vdc coil. 2" high x 1-7/8" deep x 1-1/8" wide. Both poles are silver strapped from factory, i.e. SPST, N.O.

Product Details:
AB Industries dual DPDT relays operated with common armature that mechanically toggles to each resting position. Can use either both coils or one coil with reversing polarity. 10 amp contacts, 12 vdc coil. Use anywhere maintenance of circuit integrity during a power loss is important. Maximum dimension 3.25" x 1.75" x 1.375"H.

Product Details:
Knife disconnect switch. Push to disconnect. 50 amp @ 15kV. Panel mounts between insulator base and switch housing. Numbers on switch handle are random and all different. 3"W x 5-1/4"L. Removed circa 1950s.

Product Details:
Leviton radio knife switch. Vintage. SPDT. 25 amp @ 125v. 1" x 2-1/2" ceramic base. 0.404" thick. 7/8" c-c mount holes.

Product Details:
GC Electronics antenna knife switch. 2 pole, plastic base. 20 amps

Product Details:
Vintage 3 pole knife switch. Includes 80 amp fuses. 8" x 14" x 4"H. New! Circa 1960's.

Product Details:
Filmor vintage 3 pole knife switch. Use with fuses 5-3/4"L. Switch measures 8" x 14" x 6"H.

Product Details:
Western Electric antique BC-442-AM antenna relay unit for SCR-274-N radio set. Brand new in original box.