T&D World Magazine
Vacuum Switches Offer Durability in Synchronous Close/Zero Voltage Close Apps

Vacuum Switches Offer Durability in Synchronous Close/Zero Voltage Close Apps

Built on the Ultra Series solid dielectric vacuum switch platform, Maysteel’s UltraSync capacitor switches offer reliability and durability in synchronous close/zero voltage close applications. UltraSync switches are available with 200A and 400A ratings for 15, 25 and 35kV grounded-wye applications.

Available in either single-phase or three-phase configurations, UltraSync switches deliver zero volt closing within 800 millionths of a second when using the Valquest Z-Cap control.

  • Mitigate harmonics and switching disturbances that occur in: Back-to-back capacitor bank switching; Large power capacitor bank switching
  • Eliminate the material cost and space required for inrush reactors
  • Improve capacitor bank reliability
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