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Latest News From Vacuum Interrupters, Inc.
First In-House Manufactured Certified Vacuum Interrupters Go To Market
In the first quarter of 2021, Vacuum Interrupters shipped its first set of certified vacuum interrupter replacements that were manufactured in-house. Click to read more.
For years we have been working to develop a process that conditions and extends the life of vacuum interrupters by removing unwanted gas molecules from within the canister. The process has been proven in the lab and in the field. We are now able to extend the service life of vacuum interrupters by keeping the internal pressures within an acceptable range for an extended period of time. Our goal is to keep vacuum interrupters in service for more than 100 years.
 CBT-1202 Circuit  Breaker Timer Now Available
Everything you need to easily perform breaker timing tests is included in this universal, light-weight ciruit breaker timer which captures and stores trip, close, and bounce times in milliseconds. Features include:
CTVT-45 Two-In-One Instrument Transformer Test Set Announced
This is a unique, multi-function tester which incorporates the necessary capabilities to test both current transformers (CTs) and voltage transformers (VTs/PTs) in the field or shop. Comprehensive tests are performed in accordance with applicable ANSI and IEC test standards. Lightweight, rugged and user-friendly, the CTVT-45 sets a new standard in instrument transformer test equipment for field use. Use the following link for more details on the CTVT-45 instrument transformer tester.
VITS60M 3-In-1 Multi-Function Test Set Introduced At 2018 PowerTEST Conference
Not only tests the integrity of vacuum interrupters, the VITS60M also is a 60kVDC hipot and a 2.5/5/10kV megohmmeter that in addition to measuring insulation resistance also provides automated test routines for polarity index and absorption rate tests.
Click for details on the VITS60M
MAC-TS4 vacuum interrupter test set wins 2014 Occupational Health & Safety New Product of the Year Award
Vacuum Interrupters, Inc. is proud to announce that its new MAC-TS4 vacuum interrupter tester, the only test set capable of conducting predictive testing on vacuum interrupters in the field, has won Occupational Health & Safety (OH&S) magazine's 2014 New Product of the Year Award in the Safety Monitoring Device category.
Click for more information on MAC-TS4 vacuum interrupter test set wins OH&A's 2014 Product of the Year.
New rigid magnetic coil for the MAC-TS4 vacuum interrupter tester allows technicians to test vacuum interrupters in GE PowerVac breakers in place without disassembling
Vacuum Interrupters, Inc. is proud to introduce its new rigid magnetic coil for the MAC-TS4 vacuum interrupter tester, which allows technicians to test vacuum interrupters in GE PowerVac breakers in place without disassembling.
Click for information and photo showing testing of vacuum interrupters in GE PowerVac circuit breakers.
Case Study of Vacuum Circuit Breaker Failures
Presentation at IEEE T&D Conference and Exposition, Chicago, IL.
Thursday, April 17, 2014: 1:00pm - 2:00pm. CBS ArcSafe: W470A
Finley Ledbetter, Chief Scientist, Group CBS, Inc. will present this case study which follows reports of 5 failures in 43 vacuum circuit breakers to the root cause and remediation. These catastrophic failures occurred at a large wind energy plant during and just after startup.
New, Third Generation Vacuum Interrupter Test Set Introduced at PowerTest 2014
Vacuum Interrupters Inc. is proud to introduce its new MAC-TS4 vacuum interrupter tester, the only test set capable of conducting predictive testing on vacuum interrupters in the field, during the 2014 PowerTest Conference, the premier electrical maintenance and safety event.
Click for more information on the new vacuum interrupter tester.
Video Explains the Theory and Science Behind MAC-TS4 Vacuum Interrupter Test Set
Use the following link to view a video which explains the theory and science behind the MAC-TS4 vacuum interrupter tester.
New Circuit Breaker Timer Introduced at 2014 PowerTest Conference
New CBT-1201 portable circuit breaker timer incorporating ac/dc power supply and circuit breaker trip and close control system was introduced at the 2014 PowerTest Conference.
Click for more information on the new CBT-1201 circuit breaker timer.
Use the following link for an overview of Group CBS and its affiliates
Vacuum Interrupters Inc
ISO 9001:2015
Certified Quality System
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We Are Participating in NETA's
In person event is February 28 through March 4 in Denver, Colorado. The virtual component of the conference, PowerTest TV, will launch February 28 and remain available to attendees for 90 days. Our hands-on workshop "Vacuum Interrupter Test and Conditioning", which is being held Wednesday, March 2 at 1:15, is about a process to extend the life of vacuum interrupters. Our goal is to keep vacuum interrupters in service for more than 100 years. Use the following link to a page where you can view the workshop's PowerPoint presentation on Vacuum Interrupter Testing and Conditioning.
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We Participated in NETA's
Held virtually this year because of Covid, our video presentation "Vacuum Interrupter Conditioning" was about a process to extend the life of vacuum interrupters. Our goal is to keep vacuum interrupters in service for more than 100 years. Use the followin link to a page where you view the entire video presentation Vacuum Interrupter Conditioning.
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CBT-122 Circuit Breaker Timer
Measures Open, Close, Trip Times
0.1 Millisecond Accuracy
Variable Power Supply
For Shop or Field Use
Click For Details
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VITS60M & VITS75M
3-In-1 Multifunction Test Sets
Vacuum Interrupter Integrity
2.5/5/10kV Megohmmeter
60kV or 75kV DC HiPot
Click For Details
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CTVT-45
2-In-1 Multifunction Test Set
Potential Transfomer Tester
Current Transfomer Tester
Click For Details
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