VINTAGE

DowKey Series 78 selector switches are conservatively rated 1000w @ 50 MHz to 450w @ 450 MHz and 60 dB minimum isolation. DowKey quality, a good choice for the station.
Used * No longer available for export
MFR: Dow-Key Company
SKU: DK78-0304-P

DowKey Series 78 selector switches are conservatively rated 1000w @ 50 MHz to 450w @ 450 MHz and 60 dB minimum isolation. DowKey quality, a good choice for the station.

Clean Good condition with some cosmetic wear
Used * No longer available for export
MFR: Dow-Key Co, USA
SKU: 78-0204-P

Note: Picture for reference only

Series 78 Dow-Key: Selector switches are conservatively rated @ 1000w @ 100 MHz or 200w @ 2.5 GHz. 50 dB minimum isolation, 0.1 dB max. insertion loss. DowKey quality, a good choice for the station. Rotor locks into place. Pull and turn for new position.

Shaft Dia: 1/4"
Good condition with some cosmetic wear.   
Used * No longer available for export
MFR: Dow-Key (Division of Kilovac)
SKU: 78-108-P

Series 78 Dow-Key: Selector switches are conservatively rated @ 1000w @ 100 MHz or 200w @ 2.5 GHz. 50 dB minimum isolation, 0.1 dB max. insertion loss. DowKey quality, a good choice for the station. Rotor locks into place. Pull and turn for new position.

Shaft Dia: 1/4"
Good condition with some cosmetic wear.   
Used * No longer available for export
MFR: Dow-Key (Division of Kilovac)
SKU: 78-109-P

• Has "G" option with DPDT Auxillary Connectors

Coil Voltage: 115vac

Not recommended for applications above 300 MHz

Used * No longer available for export 
MFR: Dow-Key Company 
SKU: 60-262842-P

See Data Sheet for more information

The DowKey 60 Series coaxial relays are ruggedly constructed and designed for operation to a maximum power level of 1 kilowatt.
Coil Voltage: 220vac
New Old Stock * No longer available for export 
MFR: Dow-Key Company 
SKU: 60--2704

Dow-Key Series 78 selector switches are conservatively rated 1000w @ 50 MHz to 450w @ 450 MHz and 60 dB minimum isolation. Dow-Key quality, a good choice for the station.
Used * No longer available for export
MFR: Dow-Key, USA
SKU: 78-0404-P

• Missing Knob

Dow-Key Series 78 selector switches are conservatively rated 1000w @ 50 MHz to 450w @ 450 MHz and 60 dB minimum isolation. Dow-Key quality, a good choice for the station.
Used * No longer available for export
MFR: Dow-Key, USA
SKU: 78-0404-NO-KNOB-P

These medium size, light-weight relays are designed and manufactured with gold plated RF contacts and silver plated outer conductors which give good RF performance to 1 GHz.

• Isolation: greater than 30dB
• Insertion loss: less than 0.15dB

New Old Stock * No longer available for export 
MFR: Dow-Key 
SKU: 77-260232