By VITZROTECH V.I (VI SERISE)
1. VITZROTECH V I(Vacuum Interrupter) INTRODUCE
● VITZRO TECH Vacuum Interrupter (V.I) is a core part that composes the breaking part of
medium-voltage VCB. Generally, it is a satisfactory conductor to supply power and it
promptly interrupts the current in case of an overload and short circuit faults to ensure
the insulation. It is the most ideal, arc-extinguishing device.
● Certification _ It is a high-performing, highly reliable product and its electrical and
mechanical cycle has improved.
- Its performance is optimized by applying the vacuum technology accumulated for more than 25
- It is possible to maintain the high-vacuum state for a long time due to the brazing of vacuum furnace at
a clean room and the automatic processing of vacuum exhaust unit.
- Through a single compression processing of individual contact, its mechanical strength is good and it
does not transform even with more than 10,000 times of unload operations.
● Its performance is improved due to a high-speed breaking and a short arc time.
- As a quick insulation recovery characteristic in the vacuum state, after the contact opening, it
interrupts the current at the zero point of initial current which shortens the arc time resulting in less
damages and losses of contacts.
- It maintains high reliability by collecting and storing all information on manufacturing and by saving and
managing manufacturing history of individual product.
As one of the leader in electro-technical industry in Korea, We have been providing the best possible products, services, and solutions to the most of the industry such as nuclear and thermal power plant and substation facilities, and so on since its incorporation in 1955.
For the past 60 years, VITZROTECH was able to grow stably based on its firm foundation of modernized product facilities, improved Technical and quality standards, technical superiority balanced teamwork and professional service.
Leading the pleasant and auent field of electric power equipment with state-of-the-art technol-ogy, VITZROTECH is creating new value as well as present new standards, while making a dier-ence for a better future, based on thorough knowledge and skills in the fields of heavy electric equipment, power electronics and aerospace.
It is our sincere hope that the statement and information presented herein may help you the better understanding of VITZROTECH, as a financially responsible enterprise whose past performance and technical experience clearly expresses the sole commitment to your Project implementation.
We assure you of our preparation and cooperation to the fullest extent and hope to have the honor and opportunity to serve as the Reliable partner.
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Mr.KIM J.W. / Manager of Plant Power System Business Unit
Business Type : Manufacture
Established Year : 1968
Employee Number : 312 (R&D Employee : 50)
Annual Sales : USD 97 Million (2013) / Export Amount : USD 20 Million (2013)
Certifications: ISO 9001:2000/KS A 14001:2004, ISO14001:2004/KS A 14001:2004, CESI, KEMA, UL
VITZROTECH has been one of the recognized leaders in the electro-technical industry in Korea since1968.
We are renowned for our skill in manufacturing V.I VCB, ACB, MCCB, ATS, protection relay(IED) and GIS as well as SwitchGear by our own technologies.
All our employees are professionally specialized in each part of research, design, simulation, testing, assembly, operation, service and quality control, and provide the appropriate consulting when necessary based on the extensive technical experience. We strongly believe in that success can only be achieved through the technical advancement and in doing so, we can never stop investing for the future through extensive research and development.
We know we can survive through our customers' success, and therefore, we are trying to provide the best possible customer support and service.