Key Arena
The Seattle Center's newest addition, the Key Arena, is home to the Seattle Super Sonics basketball team and the Seattle Thunderbirds hockey team. The 17,000 seat arena hosts festivals, sports, concerts, exhibitions and a variety of other events.

The distribution system consists of 13.8 kV main switchgear and four low voltage distribution switchboards. These distribution switchboards contained Siemens breakers with LSIG breakers. A 500 kW generator provides emergency power to essential equipment.

Project Information
  Study performed

Short circuit and Protective device coordination 

 
  Number of nodes  422   
  Devices plotted 163   
  Time current sheets created 40   
 
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