Indoor High Voltage Vacuum Circuit Breaker / Hv Circuit Breaker VS1-12 Series

Brand Name:Tianan Electric

Certification:VDE ISO9001-2000

Model Number:VS1-12

Minimum Order Quantity:1 unit

Delivery Time:38 work days

Payment Terms:L/C, D/A, D/P, T/T, Western Union, MoneyGram

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Ningbo Tianan (Group) Co.,Ltd.

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Location: Ningbo Zhejiang China

Address: 3/F, Building B7 , 999 Yangfan Road,High-tech Zone, Ningbo, China 315040

Supplier`s last login times: within 25 hours

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Product Details Company Profile

Product Details

VS1-12 Indoor AC Vacuum Circuit Breaker
NINGBO TIANAN (GROUP) CO., LTD.

General
VS1-12 (ZN63A) type indoor High voltage vacuum circuit breaker is used as protection and control
unit of three-phase AC indoor High voltage switchgear and industrial and mining enterprise power
device of 50Hz and rated voltage up to 7.2~24kV. This products comply with IEC60694, IEC62271-100.

Specifications

No.	Description		Unit	Data
1	Rated voltage		kV	12
2	Rated insulation levels	Rated power frequency withstand voltage/1min ( phase to phase, phase to earth, open contacts)	kV	42
		Rated lighting impulse withstand voltage (phase to phase, phase to earth, open contacts)		75
3	Rated frequency		Hz	50
4	Rated current		A	630	630	1250	1600
				1250	1250	1600	2000
						2000	2500
						2500	3150
							4000
5	Rated short circuit breaking current		kA	20	25	31.5	40
6	Rated short time withstand current(4s)		kA	20	25	31.5	40
7	Rated short circuit making current		kA	50	63	80	100
8	Rated peak value of withstand current		kA	50	63	80	100
9	Rated operating sequence			O-0.3s-CO-180s-CO O-180s-CO-180s-CO
10	Rated short circuit breaking current breaking times		times	30/20(40kA)
11	Rated cable charge breaking current		A	25
12	Rated single capacitor bank breaking current		A	630/400(40kA)
13	Rated back to back capacitor bank breaking current			400
14	Mechanical life		times	10000
16	Allowed abrade cumulative thickness of moving and static contactor		mm	3
17	Clearance between open contacts		mm	11±1
18	Contact stroke		mm	3.5±0.5
19	Bounce duration of contact closing		ms	≤2
20	Non-simultaneity of three phase for opening and closing		ms	≤2

Company Profile

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.