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Switches
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Coaxial Switches
 

Spinner 3-1/8" Broadcast
Transfer Switch

(KC) BN94-19-28
Spinner 3-1/8" broadcast 4 port transfer switch. Manual selection. 25 pin connector for position indicator. 13-1/4" x 17". Used, removed but in new condition. 46 lbs. Made in Germany.
 
 
$2,900 each
 

Rotary Transfer Switch
Motorized and Manual - 1-5/8" EIA
5 kw +/DC-1350 MHz

(KC) D40587-501
  • Description
  • Specifications
  • More Info

Avionic grade transfer switch can be operated manually or by internal fused 115 vac motor. Constant 115 vac is applied through connector that maintains operating temperature in cavity by thermostatically controlled heater.

28 vdc control voltage engages internal relays that wind motor and armature from position A to B and B to A, latching at both.

• VSWR: < or equal to 1.05
• Isolation: >65 dB
• Insertion Loss: < or equal to 0.05 dB, 50 impedance

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.

Need we say more? What a switch! 10-1/4" diameter x 11-1/4" high. Includes blue print drawings & specifications. Made by Dielectric Communications. Ratings are very conservative. Quantity limited. Brand new, never used.
 

Waveline, Inc. SPDT Switch
Manual Change Over - 3-1/8" EIA
10 kw Average to 1 GHz

(KC) RAM-517
Highest quality 3-1/8" EIA two position switch uses "make before break" configuration. Double pole indicating circuitry. Specially made for U.S. Government in 1993 ($6,000).

60 dB minimum isolation. 0.1 dB maximum insertion loss. Applications include UHF-TV, FM Radio, etc.

8" x 10" high (+ 6" flange) x 15" wide. New in the box.
$2,795 each
 
$2,495 each

DPDT - BNC
Front Rear

(SWC) F-59505
Manual DPDT BNC switch made for Marines (ID plate states so). Can be removed from plate and mounted on your equipment. Large pointer knob on front. 500w, 500 MHz.
$75 each
 
 

Dow-Key
Coax Switches

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. Unit pictured is that of "C" model . BNC units sold below DO NOT have dial plate as shown. Pull and turn for new position. 3" dial plate (on "C" model only) indicates switch position and is removable to place above panel.
(SWC) 78-107/8
2 position BNC. "107 & 108" models are indexed right and left hand. We supply both. Switches are new, never used, removed from new equipment.
$25 each - $21 (3+), $17 (10+)
(SWC) 78-109
3 position BNC. Switches are new, never used, removed from new equipment.
 
 
$35 each - $30 (3+), $25 (10+)
For More Information
E-mail: grinnell@surplussales.com

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