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High power relays replace sole-source devices at lower cost

Posted: 10 Aug 2005     Print Version  Bookmark and Share

Keywords:gigavac  relay  kc-20  kc-22  g20 

GIGAVAC has developed two new high voltage relays to replace another vendor's previously sole sourced KC-20 and KC-22 relays for applications where customer's have form-fit issues and cannot design in another relay. The company also said the new G20 and G22 replacement relays cost about 40% less than the K20 and K22 devices.

The new G20 is a sealed single pole, single throw normally open (SPST- NO) 28kV, 110A vacuum relay, while the nearly identical G22 is rated at 25kV, 65A, and has tungsten contacts for hot switching lower current loads. Typical applications include wafer fabrication equipment, aerospace radar and ECM, and airport lighting systems.

The G20 and G22 relays measure 96-mm tall and 38-mm wide. Both come with screw terminals for easy connections as well as through-panel mounting that keeps the high voltage and control circuits far apart to eliminate cross talk and any chance of high voltage shorts to the coil circuit, said the company. In addition, because they are sealed in a vacuum they are impervious to external contamination and offer years of failure free operation.

The new G20 and G22 provide coil voltages at 12-, 26.5- or 115Vdc. Custom coil voltages are also available. The new relays also incorporate the company's exclusive changeable coil feature that allows users to change the coil even after the relay has been installed.

The G20 and G22 relays are priced at $597 each in quantities of 10. The most popular models are in stock with special orders available within four weeks.

- Gina Roos


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