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VES Vacuum Switching Devices

Reliable, Vacuum Switch Devices for High Voltage Applications

Southern States is pleased to announce our partnership with Vacuum Electric Switch Company, providing users a better alternative for maintaining or enhancing their installed base of vacuum switches. Vacuum Electric Switch has been manufacturing and continuously improving vacuum switch designs for more than 20 years, with a focus on upgrading and replacing existing switches. Their vacuum switch range is from 15kV – 242kV, 600-3000A. This interchangeability offers existing customers the ability to upgrade or drop in a new VES product without having to make any changes to their existing structure.

Southern States continues to recommend the best in class CapSwitcher® and RLSwitcher® but recognizes that there are capacitor and reactor switching applications where vacuum may be the preferred customer choice. The addition of the Vacuum Electric Switch Company product positions Southern States as a leading solution provider for application specific solutions.

Southern States, as part of this partnership, will take the lead in the sales and marketing of VES products into the Utility market. The switches offered are designed, manufactured and exclusively warranted by Vacuum Electric Switch Company.

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  • Vacuum interrupters
  • Solid, dielectric insulation
  • Available with motor or solenoid operated mechanisms based on application
  • Mechanical operating life of 200,000 operations
  • Replacement parts available as needed
Choose Voltage Rating:
Maximum Voltage15.5 kV27 kV38 kV48.3 kV72.5 kV
Continuous Current600 A300 A600 A300 A
Fault Interrupting Current (RMS)4 kA3 kA4 kA3 kA
Momentary Current (RMS Asymmetric)20 A15 A20 A15 A
Frequency50/60 Hz
Two-Second Current (RMS)12.5 kA
Four-Second Current (RMS)9 kA
Maximum Peak Making Current (RMS)20 kA15 kA20 kA15 kA
Maximum Peak Back-to-Back Inrush Current)6 kA
Impulse Withstand Terminal-to-Terminal (RMS)110 kA200 kA250 kA280 kA
Line-to-Ground 1.2 X 50
Positive Wave (BIL)
150 kV200 kV250 kV 350 kV
Maximum 60 Cycle Withstand Line-to-Ground
One Minute Dry (kV)
10 Second Wet (kV)
101
74
138
119
178
176
245
198

* Ratings shown were provided by the Vacuum Electric Switch Company.