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Indoor Solid - Closure High Voltage Vacuum Circuit Breaker 40.5kv Handcart - Type
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Brand Name:Tianan Electric
Model Number:VT19-40.5EP
Certification:GB1984、GB/T11022、DL/T403 and IEC62271
Price:Pending
Payment Terms:L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability:2000PCS/year
Delivery Time:35 work days
Company Data
Verified Supplier
Contact Person
Lian Huanhuan
Business Type:
Manufacturer Exporter Trading Company Seller
Officials:
3/F, Building B7 , 999 Yangfan Road,High-tech Zone, Ningbo, China 315040
Quality:
Quality Certifitation Available
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Product Details
Company Profile
Product Details
40.5kv Handcart -type Indoor High Voltage AC Solid-closure Vacuum Circuit Breaker
NINGBO TIANAN (GROUP) CO., LTD.
overview
VT19-40.5EP type indoor HV vacuum circuit breaker is indoor switchgear,used for three-phase 50Hz,35KV electric power system. It is a control and protective unit,applied in electricutility of industrial and mining company ,power station and substation. Because of its special superiority, it is also suitable for the occasions requiring frequent operation rated working voltage or repeatedly break short-circuit current.It has reliable interlock function,and not only serves as handcart unit,but also as fixed unit.
Service condition
1.Ambient temperature:-40°C~+40°C.
2.Hight:≤2000 meters.
3.Earthquake intensity:Below level 8.
4.
Humidity condition | Daily mean relative humidity | ≤95% | Daily mean vapour pressure | ≤2.2×10-3MPa |
Monthly mean relative humidity | ≤90% | Monthly mean vapour pressure | ≤1.8×10-3MPa |
5. No fire,water drop ,explosion, serious filthy, chemical corrosion and violent vibration of places.
6.Environment humidity: month average relative humidity ≤90%, daily average relative humidity ≤95%.
7.Customers have other special requirements, can be in order to put forward, our company can offer most satisfied.
Technical Parameters
| Rated voltage | 40.5kV | |||
| Rated frequency | 50Hz | |||
| Rated lighting impulse withstand voltage(between phases,phase to earth) /isolated fracture | 185 | |||
| Rated 1min power withstand voltage(between phases,phase to earth) /isolated fracture | 95 | |||
| Rated operation sequence | O-0.3s-CO-180s-CO | |||
| Rated current (A) | 630,1250 | 1250~3150 | 1250~3150 | 3150,4000 |
Mechanical Characteristics Parameters of CB
| Name | Unit | Data | |
| Clearance between Open contacts | mm | 18±1 | |
| Over-travel | 6±1 | ||
| Three-phase opening & closing non-synchronous | ms | ≤2 | |
| Bounce time of closing contact | ms | ≤3 | |
| Contact pressure of Closing Contact | Opening | N | 20KA,25KA.31.5KA |
| Closing | 2000±200 2700±200 3100±200 | ||
| Average opening speed | m/s | 1.4~1.8 | |
| Average closing speed. | 0.5~0.9 | ||
Company Profile
Ningbo Tianan (Group) Co.,Ltd.
Ningbo Tianan (Group) Co, Ltd is a famous leading influential enterprise of the power transmission equipment manufacturing in China.It was founded in 1969,currently under the group, we have 1 national-level R&D center, 2 provincial-level R&D center, 10 professional companies, 70 sales offices, and its total asset is 4.2 billion Yuan, over 3500 employees.
As an outstanding representative of Chinese-made, our enterprise is in the steady development and growth in the tide of reform and opening up.
In1976,our production mode transforms from Labour products to the manufacturing process;
ln1982,the Xiangshan local state- owned high-voltage electric factory was founded,we start the professional development of electrical apparatus ;
In1994,we reorganized and established joint- stock company, enngraver to be an international group ;
In 2005, our group ranked the No. 225 in competitiveness of China's top 500;
According to national development,we expand five major industrial, such as the high voltage apparatus, renewable energy equipment, intelligent grid and rail transit equipment,and magnetic gear in order to achieve the business strategic abjectives.
Over these years, our company stand for independent innovation and to build low-carbon economic development
model.Annual R & D expenses accounted for more than 5% of
corporate sales.We have mastered the core technology of
transformation and distribution equipment and core self-supporting
ability long since.Our self- developed prefabricated substation,
ring main unit, load switch, wind power switchgear, inelligent grid
systems and many other products achieved the international advanced
level,By the way, we are the one of the companies who draft the
national standards about that.
Tianan has the certification and honour involves China famous
brand,China top brand,National inspection- free products and
ISO9001 quality system, IS014001 environmental management system,
OHSAS 18001 occupational health and safety management system. the
inspection measurement and certification system and
"CCC","PCCC"，etc.Also we equipped with business efficient and
flexible management mechanism, large number of outstanding
professionals, first-class production and testing equipment,
high-level research and development strategy, Quality is the
character" concept, perfect quality management system and quality
assurance,sales and marketing network all over the
country,which forms to provide customers with excellent
support system of resources.
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. Whether in the Shenzhou spacecraft launching base,the Sanxia power plant, Qinghai-Tibet railway, Qingshan nuclear power station, or domestic subway, Olympic venues. International airport. wind farms and so on.Our projects applied in more than 30 countries and regions all over the world. Our main products includes
- 126kV&252kV power transformer,resin-Cast Dry-type & Oil-immersed Power transformer，Combined transformer
- 252kV and below 252kV outdoor HV disconnecting switch and transformer,
- Boxtype substation below 40.5kV,Prefabricated substation and cable (RMU)branch box
- High Voltage &Medium Voltage&Low Voltage switchgear
- Ring main unit switchgear, mid-mount switchgear, fixed switchgear, GIS switchgear,frequency conversion switchgear,
- 126kV GIS combination apparatus,
- SF6 circuit breaker,Vacuum circuit breaker ,H. V. &L. V. Circuit breaker,
- H. V. Load switch, fuse, current transformer (CT),
- High-voltage inverter speed regulation device, high-voltage static reactive power Generator, active power filter, intelligent electric equipments, etc.
Seeing is believing, Tianan Group sincerely welcome all new and old customers and friends come to our company for a visit or inspection.
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