VT 2 - 12 Series solid letters column type indoor AC high voltage vacuum circuit breaker
| Price: |
US $ 850-1000/Piece |
| Trade Terms: |
FOB,CFR,CIF |
| Min Order: |
10/Piece |
| Pay Type: |
L/C,T/T,D/P,Paypal |
VT 2 - 12 Series solid letters column type indoor AC high voltage vacuum circuit breaker
1. Product DescriptionVT2-12
A very solid seal columnar indoor high voltage AC vacuum circuit breaker is a three-phase AC 50Hz, rated voltage of 12kV indoor high voltage switching device for opening and closing of various natures power load, for urban and rural power, mining and railway power grid construction and renovation project, especially for frequent operation and short-circuit breaking number of operations has certain requirements in the case of operating current range. The product attract domestic and foreign advanced technology, high reliability, long life, maintenance-free characteristics.
VT2-12 circuit breaker is suitable for applications requiring oil-free, low maintenance and the use of premises frequent operation, the product can be configured for use in the home cabinet, double cabinets and fixed cabinets.
2. Type meaning
V T 2 - 12 / - 0 0
V: vacuum circuit breaker
T: Enterprise code, electrical Cheonan
2: Design Number
12: Design voltage (kV)
0: Rated current (A)
0: Rated short-circuit breaking current (kA)
3. Technical parameters of the circuit breaker
| No. | Item | Unit | Parameters |
| 1 | Rated voltage | kV | 12 |
| 2 | Rated frequency | Hz | 50 |
| 3 | Rated current | A | 630 | 1250 |
| 4 | Rated short circuit breaking current | kA | 25 | 31.5 |
| 5 | Rated short-circuit current | kA | 63 | 80 |
| 6 | Rated peak withstand current | kA | 63 | 80 |
| 7 | Rated short time withstand current (4s) | kA | 25 | 31.5 |
| 8 | Rated insulation level | 1 min Power frequency withstand voltage | kV | 42 |
| Lightning impulse withstand voltage | kV | 75 |
| 9 | Rated operating sequence |
| O - 0.3s - CO - 180s - CO |
| 10 | Rated short duration | s | 4 |
| 11 | Rated short-circuit breaking current breaking times | time | 50 |
| 12 | Rated voltage energy storage mechanism | V | AC220, 110; DC220, 110 |
| 13 | Charging time | s | < 15 |
| 14 | Secondary circuit 1min power frequency voltage | V | 2000 |
| 15 | Rated single capacitor bank breaking current | A | 630 |
| 16 | Rated back to back capacitor bank breaking current | A | 400 |
| 17 | Mechanical life | time | 20000 |
| Prod Model: |
VT 2 - 12 |
| Markets: |
North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
| Rated Voltage: |
12kV |
| Rated Frequency: |
50Hz |
| Lightning Impulse: |
42/75kV(Peak) |
| Mechanical Life: |
20000 |
| Breaking Capacity: |
High Voltage Circuit Breakers |
| Operation: |
Manual Type |
| Speed: |
Normal Type Circuit Breaker |
| Arc-extinguishing Medium: |
Vacuum |
| Installation: |
Open Frame |
| Structure: |
ACB |
| Poles Number: |
3 |
| Certification: |
CCC |
Ningbo Tianan (Group) Co., Ltd. Was founded in 1969, is a national large
Enterprise, national key high-tech enterprise, industry key enterprises and Zhejiang provincial leading enterprise in power transmission and transforming
Industry. Under the company there are 1 R&D center, 10 specialized subsidiary
Companies, and more than 70 marketing offices. There are more than 2500 emplo--yee working in headquarter. The total asset sums up to 3.8 billion yuan (RMB).
The output value sums up to 5.0 billion yuan (RMB). Group competitiveness ranks in the first 225 in China's top 500.
Tianan Group is one of the domestic manufacturers and scientific research
Enterprises of power transmission and transforming industry featuring largest scale, most variety, full specifications, and best quality. Besides, the company owns abundant technical development strength, the international first-class production
And test equipments, efficient and flexible management mechanism, a great
Number of outstanding professional talents. "Quality is personality" is our concept. It has sufficient quality management system and quality assurance, all over the world's sales service network. All the above constructs excellent resources support system for customers.
Now the products include 126kV GIS combination apparatus, SF6 circuit breaker, 126kV&252kV power transformer, 252kV and below 252kV outdoor HV disconnecting switch and transformer, boxtype substation below 40.5kV, ring main unit
Switchgear, midmount switchgear, fixed switchgear, GIS, L. V. Switchgear, frequencyconversion switchgear, H. V. Load switch, H. V. &L. V. Circuit breaker, cable (RMU)
Branch box, fuse, current transformer (CT), dry-type & oil-immersed transformers,
High-voltage inverter speed regulation device, high-voltage static reactive power
Generator, active power filter, intelligent electric equipments, etc. The products
Are widely used in nuclear power plant, chemical plant, railway, underground,
Airport, national defense, Beijing Olympics and main national, provincial and municipal construction projects.
Tianan has already obtained "China's well-known trademarks ", "China's brand
-name products ", "National Product Exempting from Inspection ". The ISO9001 quality guarantee system, the ISO14001 environment management system and
The OHSAS18001 occupation healthy safety control system through the national authentication, "CCC", "PICC" authentication certificate, which Tianan obtained comparatively early. The products cover all over the country and abroad five continental countries. Especially, our products applied to the Shenzhou V, Shenzhou VI,
Shenzhou VII manned spacecraft and the construction of Qinghai-Tibet railway. The practice has proved Tianan's products have the outstanding performance
That can withstand the test of bad environment.
In recent years, many prizes have been awarded to Tianan, such as: National May1st Labor Prize, National Innovation-based Pilot Enterprise, National Mechanical
Industrial Management Demonstration Enterprise, National Mechanical Industry
Civilized Company, Zhejiang Province "a group of five" key business, Province Quality Control Prize and so on. Chairman of the Board Jiang Baomin is the national model labor and the outstanding entrepreneur.
The "Tianan Electric town" which covers an area of more than 600, 000 square
Meters and RMB 1.2 billion has been invested has been put to use. To the end of 2011, Tianan has put it into an integrated, intellectualized and modernized
Enterprisewith the combination of scientific research, manufacturing, management and culture as "the aircraft carrier" in power transmission and transforming
Industry.
Seeing is believing, Tianan Group sincerely welcome all new and old customers
And friends come to our company for a visit or inspection.
