Knowledge Base

Find useful information and videos on vacuum interrupters, electrical testing, and equipment maintenance. 


Keep up with the latest information from Vacuum Interrupters and developments from across the electrical industry. Check back often as there are frequent updates.


This video playlist from Vacuum Interrupters provides useful information regarding electrical system issues and their solutions.


Learn more about vacuum interrupters and testing with these white papers, presentations, and data sheets.

  • Predicting the Remaining Life of Vacuum Interrupters in the Field DOWNLOAD
  • Vacuum Interrupter Testing Using Magnetron Atmospheric Condition (MAC) Test Equipment DOWNLOAD
  • VACUUM INTERRUPTERS: PRESSURE VS. AGE A Study of Vacuum Levels in 314 Service Age Vacuum Breakers DOWNLOAD
  • Trust Magnetron Atmospheric Condition (MAC) testing to predict the remaining life of your vacuum interrupters DOWNLOAD
  • Medium-Voltage Vacuum Circuit Breaker Life Extension: An Approach Utilizing Industry Standardized Maintenance Intervals, New Testing Techniques, and Modern Replacement Parts DOWNLOAD
  • Get 3 test sets for the price of 1 with the new VITS60M DOWNLOAD
  • Get 3 test sets for the price of 1 with the new VITS75M DOWNLOAD

  • CBT-1203 Circuit Breaker Timer Product Sheet DOWNLOAD
  • High-Voltage Test Laboratory and Mechanical & Environmental Testing DOWNLOAD


If you have vacuum interrupter failure, need equipment testing, or would like to discuss your requirements, contact us for immediate assistance.