
12KV Indoor HV AC Vacuum Load Switch - Fuse Combination Apparatus
Overview
FN16A-12RD/200-31.5 Type combination units within FN16A-12 in
combination with a high-voltage load switch current limiting fuse
together the indoor high voltage switchgear, the upper end of the
fuse is fixed to the lower bracket of the vacuum interrupter, the
lower end is fixed to the seat by contacting the insulator, lower
bracket grounding switch and fuse together. Grounding switch and
disconnecting switch with mechanical interlock.It can break load
current,overload current and short circuit current.
Technical Parameters: Load switch - fuse combinations
No. | Item | Unit | Parameters |
1 | Rated voltage | kV | 12 |
2 | Rated frequency | Hz | 50 |
3 | Maximum rated current fuse | A | 200 |
4 | Rated transfer current | A | 3150 |
5 | Melting tube trigger opening time of the switch | ms | 31 (0 + 5) |
6 | Rated short circuit breaking current (expected value) | kA | 31.5 |
7 | Rated short-circuit current (prospective peak) | kA | 80 |
8 | 1 min power frequency withstand voltage (rms) to ground, interphase, vacuum fracture / isolation fracture | kV | 42/48 |
9 | Lightning impulse withstand voltage (peak) to ground, interphase, vacuum fracture / isolation fracture | kV | 75/85 |
10 | Fuse link striking output energy | J | 2 ~ 5 |
11 | Net weight | kg | 75 |
12 | Dimensions | mm | 720 x 490 x 4065 |
13 | Package dimension | mm | 1115 x 900 x 520 |
Type | Rated voltage (kV) | Fuse rated current(kA) | Rated breaking current(kA) | Melt the rated current(A) |
SDLAJ.XRNT | 12 | 40 | 31.5,40,50 | 6.3,10,16,20,25,31.5,40 |
SFLAJ.XRNT | 100 | 50, 63, 71, 80, 100 | ||
SKLAJ.XRNT | 125 | 125 | ||
German company SBA | 12 | 200 | 40 | 160, 200 |
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,
- 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.