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Cutout Switch Fuse Link Protection Fuse Of DistributionTransformer
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Brand Name:TIANAN
Model Number:PRW10-12F/100
Certification:IEC60076-1, IEC60076-2, IEC60076-5
Price:US$50
Payment Terms:L/C, T/T, D/P, Western Union
Supply Ability:50000 Sets / Year
Delivery Time:30 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
Cutout Switch Fuse Link Protection Fuse Of DistributionTransformer
NINGBO TIANAN (GROUP) CO., LTD.
General
PRW10-12F/100Series loadbreak fuse cut out(hereinafter referred to as fuses)is used for overload and short-circuit protection and openning and closing rated load current.
Application
The product can be used in AC50HZ,rated voltage of 10KV distrbution lines and distribution transformer.
Technical Specifications
| Rated voltage kV | Rated current A | Rated breaking capacity MVA | Opening/closing times of load current | Weight kg Silicone rubber can be reduced 2kg | |
| Lower limit | Upper limit | ||||
| 12 | 100 | 40 | 100 | ≥10 | 7.6 |
Advantage:
1. Low minimum breaking current, low power losses and low
arc-voltage
2. High breaking capacity and effective short-circuit prospective
current limitation
3. Fuses are the fastest overload protection devices for high
short-circuit currents
4. Applying the superior insulating material,large creepage
distance and suitable for different environment
Structure
This kind of fuse consists of three parts: fuse base, load arc- extinguishing device and an arc extinguishing device.
Active and static contactor is of bridge structure. While fuse is in closing position, active static contactor will be tightlypressed by compressed spring to guarantee a suitable pressure between contactors. A rotary torsion spring is equippedin the lower end of arc extinguishing tube. When a fuse-element is put in the tube the torsion spring will be screwed tightly,the fuse will be in drawing tightly condition to ensure the arc-extinguishingtube self-locked in closing position.
When overload or short-circuit occurs, fuse-element will be melted and the fuse will be quickly drawn out from the fuse tube by the torsion spring. Meanwhile, a great deal of arc-extinguishing gas is produced in the fuse tube by electric arc heat energy to extinguish electric arc quickly.
After electric arc-extinguishing, the voltage between the both ends of the fuse is regained. The fuse tube will be dropped out by its weight and a function of compressed spring with bridge contactors.
So an obvious disconnected section will be produced. Arc-extinguishing tube is designed at a step by step gas-discharging type. While breaking a low current gas produced will be released from the lower vent. While breaking a high current, the gas produced will be released from the upper cap to realize a gas release from both the top and the bottom, which meets the requirements of breaking different current in the same time.
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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