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110kV 126kV High Voltage Circuit Breaker 3150A - 40kA Sf6 Circuit Breaker

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Buy cheap 110kV 126kV High Voltage Circuit Breaker  3150A - 40kA Sf6 Circuit Breaker from wholesalers
  • Buy cheap 110kV 126kV High Voltage Circuit Breaker  3150A - 40kA Sf6 Circuit Breaker from wholesalers
  • Buy cheap 110kV 126kV High Voltage Circuit Breaker  3150A - 40kA Sf6 Circuit Breaker from wholesalers

110kV 126kV High Voltage Circuit Breaker 3150A - 40kA Sf6 Circuit Breaker

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Brand Name:Tianan Electric
Model Number:LW39-126
Certification:XIHARI
Payment Terms:L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability:1000 units / year
Delivery Time:45 days
Price:Pending
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

110kV 126kV High Voltage Circuit Breaker 3150A - 40kA Sf6 Circuit Breaker


Product Description

LW39-126 type circuit breaker is a high performance new type HV SF6 circuit breaker. Based on sufficient absorbing and digesting advanced technology of foreign SF6 circuit breaker and requirement of national standard, It combining domestic commercial manufacture level and design. This product is used in electric system with 50Hz, 110kV system nominal voltage, which is main electrical equipment controlled and protected by power station and substation.

Technical Data
Serial No.NameUnitValue
1Ambient temperatureºC-50ºC-40ºC
2Rated voltageKV126
3Rated power frequency withstand voltage (1min)
3.1To earthkV230
3.2Across open contactkV230+73
4Rated lightning impulse withstand voltage
4.1To earthkV550
4.2Across open contactkV550+103
5Rated frequencyHz50
6Rated valueA3150
7First pole to clear factor1.5
8Rated short-circuit breakering current (Isc)kA40
9Rated short-circuit making current (peak)kA100/104
10Rated hsort-time withstand currentkA40
11Rated peak withstand currentkA100/104
12Rated duration of short-circuits4
13Rated out of phase breaking currentkA10
14Short-line fault breaking currentkA90%Isc,75Isc
15Rated line charging breaking currentA31.5
16Rated operating sequenceo-0.3s-CO-180s-CO
17Resistance of main contactμΩ≤35
18Rated SF6 gas pressure (20ºC gauge pressure)Mpa0.6 (or SF6+CF4) 50Hz
19Alarm/ minimum functional pressure (20ºC gauge pressure)Mpa0.55/0.50 50Hz
20Annual leakage of SF6 gas%≤0.5
21Gas humidity content (L/L) (20ºC at handover)L/L≤150x10-6
22Mechanical enduranceTimes10000
23Radio interference levelmv≤500
24Creepage distancemm3906
25Weight of SF6 gas filled for each CBkg8
26Weight of one set of CBkg1700

Major Technical parameters of mechanism

No.NameUnitData
1Energy-store motorNormal voltage rangV85%--- 110%
Rated voltageDC220/AC220
Rated powerW720
2Storage time (at rated voltage)s≤20
3Rated voltage/current of opening coilV/ADC110V/4A, DC220V/2A
AC220V/5A
4Auxiliary
Switch
Rated currentA3(DC220V)/5 (DC110V)
Number of auxiliary contacts: normally opened/closedPair11/11
5Trip switchRated currentA3(DC220V)/5 (DC110V)
Number of auxiliary contacts: normally opened/closedPair2/2
6Capacity of terminal carry continuous currentA10
7Voltage of heater and lighting circuitVAC220
8Mechanical enduranceTimes10000

110kV 126kV High Voltage Circuit Breaker  3150A - 40kA Sf6 Circuit Breaker

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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