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ABB Expands Relion Distribution Relay Portfolio for North American Markets

2013-03-05 18:06:00| Transmission & Distribution World

ABB has announced the worldwide release of three new Relion 620 Series products for utility distribution and industrial applications.

Tags: north american distribution markets

Considerations In RF/Microwave Relay Performance

2013-03-05 09:19:32| rfglobalnet Downloads

The hardware designer has unique performance requirements to consider when specifying RF/microwave relays and switches. Signal-level DC and low-frequency AC relays are typically characterized using different specifications than those used for RF/microwave. But the attributes can be compared. One reason for the difference is that the characteristics of microwave relays are frequency-dependent. By Karl Kitts, Director of Development Engineering for High-Performance Relays, TE Connectivity

Tags: performance considerations relay rfmicrowave

Motor Management Relay Increases Reliability and Operator Safety

2013-02-19 18:22:00| Transmission & Distribution World

Schweitzer Engineering Laboratories, Inc. is now taking orders for the new SEL-849 Motor Management Relay.

Tags: management safety motor increases

It wasn't Beyonce: Utility traces Super Bowl outage to relay failure

2013-02-08 17:22:53| CNET News.com

Entergy, an electric and gas utility in New Orleans, says a relay device specifically installed to protect Superdome equipment in the event of a cable failture ended up malfunctioning. [Read more]

Tags: super failure utility bowl