FZN58-12 Series indoor AC high voltage vacuum load switch, load switch - fuse combinations
1. Product Description
FZN58-12/T630-20 Type indoor AC high voltage vacuum load switch and FZR N58-12 / T125 -31.5 load switch - fuse combination is suitable for 50Hz, rated voltage of 10kV network. May be breaking the load current, overload current and short circuit current; phase also has a protective effect, especially suitable for oil-free, no maintenance and long cycle operation requires frequent the place, and widely used in RMU, box substations.
This product has a high-level, low maintenance, compact, and is suitable for use on city networks and other large projects.
2. Type meaning
F Z R N 58 - 12 / T - 0
F: load switch
Z: Vacuum
R: fuses and load switch linkage
N: Indoor
58: Reference Design
12: Rated voltage (kV)
T: spring operating mechanism
0: Rated current (A)
0: Rated short-circuit breaking current (kA)
3. Structure Introduction
Vacuum load switch fitted solid seal vacuum pole, spindle, opening spring, rubber cushion and other components installed in the undercarriage, the undercarriage back has mounting holes for hanging with a load switch, spindle insulated rod, crank arm with vacuum interrupter movable guide rod connection. Mechanism mounted on the base chassis side, the side that match your switch is installed in the cabinet.
By a combination of electrical FZN58- 12 vacuum load switches, fuses, frame, seat and contact trip device and other components, frame made of aluminum coated zinc plate bending assembled, the fuse with a maximum current up to 125A. Electric hand can operate dual load switch. Three-phase fuse arranged longitudinally.
This product has the lack of protection function, when the short-circuit current or load current flows through the main circuit in which any one or more phases of the fuse is blown, the impactor motion, energy output and rapid impact load interlock switch, the load switches gate.
4. Technical parameters: load switch
| No. | Item | Unit | Parameters |
| 1 | Rated voltage | kV | 12 |
| 2 | Rated current | A | 630 |
| 3 | Rated frequency | Hz | 50 |
| 4 | Rated short time withstand current | kA | 20 |
| 5 | Rated peak withstand current | kA | 50 |
| 6 | Rated short duration | s | 4 |
| 7 | Rated short-circuit current | kA | 50 |
| 8 | Rated breaking current loop | A | 630 |
| 9 | Rated active load breaking current | A | 630 |
| 10 | Rated cable charging current | A | 10 |
| 11 | Rated insulation level | Power frequency withstand (1 min) | phases, earthing, fracture | kV | 42 |
| Lightning impulse withstand voltage | phases, earthing, fracture | kV | 75 |
| 12 | Secondary circuit insulation level (1 min) | V | 2000 |
| 13 | Rated active load breaking current times |
| 100 (E3) |
| 14 | Rated short-circuit current closing times |
| 5 (E 3) |
| 15 | Open contacts | mm | 8.5 ± 1 |
| 16 | The contact overtravel | mm | 2.5 ± 1 |
| 17 | Three-phase closing different period | ms | <= 2 |
| 18 | Closing contacts bounce time | ms | <= 2 |
| 19 | Each phase main circuit resistance | µ Ω | <= 80 |
| 20 | Phases center distance | mm | 200 ± 2 |
| 21 | Average opening speed | m / s | 1.2 ± 0.2 |
| 22 | Average closing speed | m/s | 0.6 ± 0.2 |
| 23 | Static and dynamic contact permission attrition accumulation thickness | mm | <= 2 |
| 24 | Mechanical life |
| 10000 |
| 25 | Contact pressure | N | 900 ± 100 |
| 26 | Opening time | ms | 15 ~ 60 |
| 27 | Closing time | s | <= 10 |
5. Technical Parameters :Load switch - fuse combinations
| No. | Item | Unit | Parameters |
| 1 | Rated voltage | kV | 12 |
| 2 | Rated current | A | 125 |
| 3 | Rated short circuit breaking current | kA | 31.5 |
| 4 | Rated short-circuit current | kA | 80 |
| 5 | Rated transfer current | A | 3150 |
| 6 | 1 min power frequency withstand voltage phase / fracture | kV | 42/49 |
| 7 | Lightning impulse withstand voltage phase / fracture | kV | 75/85 |
| 8 | Fuse striker output energy | J | 2 ~ 5 |
| 9 | Rated transfer current | A | 3150 |
6. Technical Parameters:Combination of electrical fuses
| Item | Parameters |
| Rated voltage (and the highest voltage) kV | 12 |
| Rated current A | 40 ,125 |
| Fuse rated current A | 6.3,10,16,20,25,31.5,40,50,63,80,100,125 |
| Rated breaking current (rms) kA | 31.5 |
7.Ordering Information
Customers when ordering
a, load switch name, type, size and number of orders
b, load switch rated voltage, rated current
c, functional programs, installation
d, rated operating voltage
e, the name of spare parts, and counting
Customers who have other special requirements, when ordering
Ningbo Tianan (Group) Co., Ltd. Was founded in 1969, is a national large
Enterprise, national key high-tech enterprise, industry key enterprises and Zhejiang provincial leading enterprise in power transmission and transforming
Industry. Under the company there are 1 R&D center, 10 specialized subsidiary
Companies, and more than 70 marketing offices. There are more than 2500 emplo--yee working in headquarter. The total asset sums up to 3.8 billion yuan (RMB).
The output value sums up to 5.0 billion yuan (RMB). Group competitiveness ranks in the first 225 in China's top 500.
Tianan Group is one of the domestic manufacturers and scientific research
Enterprises of power transmission and transforming industry featuring largest scale, most variety, full specifications, and best quality. Besides, the company owns abundant technical development strength, the international first-class production
And test equipments, efficient and flexible management mechanism, a great
Number of outstanding professional talents. "Quality is personality" is our concept. It has sufficient quality management system and quality assurance, all over the world's sales service network. All the above constructs excellent resources support system for customers.
Now the products include 126kV GIS combination apparatus, SF6 circuit breaker, 126kV&252kV power transformer, 252kV and below 252kV outdoor HV disconnecting switch and transformer, boxtype substation below 40.5kV, ring main unit
Switchgear, midmount switchgear, fixed switchgear, GIS, L. V. Switchgear, frequencyconversion switchgear, H. V. Load switch, H. V. &L. V. Circuit breaker, cable (RMU)
Branch box, fuse, current transformer (CT), dry-type & oil-immersed transformers,
High-voltage inverter speed regulation device, high-voltage static reactive power
Generator, active power filter, intelligent electric equipments, etc. 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.
Tianan has already obtained "China's well-known trademarks ", "China's brand
-name products ", "National Product Exempting from Inspection ". The ISO9001 quality guarantee system, the ISO14001 environment management system and
The OHSAS18001 occupation healthy safety control system through the national authentication, "CCC", "PICC" authentication certificate, which Tianan obtained comparatively early. The products cover all over the country and abroad five continental countries. Especially, our products applied to the Shenzhou V, Shenzhou VI,
Shenzhou VII manned spacecraft and the construction of Qinghai-Tibet railway. The practice has proved Tianan's products have the outstanding performance
That can withstand the test of bad environment.
In recent years, many prizes have been awarded to Tianan, such as: National May1st Labor Prize, National Innovation-based Pilot Enterprise, National Mechanical
Industrial Management Demonstration Enterprise, National Mechanical Industry
Civilized Company, Zhejiang Province "a group of five" key business, Province Quality Control Prize and so on. Chairman of the Board Jiang Baomin is the national model labor and the outstanding entrepreneur.
The "Tianan Electric town" which covers an area of more than 600, 000 square
Meters and RMB 1.2 billion has been invested has been put to use. To the end of 2011, Tianan has put it into an integrated, intellectualized and modernized
Enterprisewith the combination of scientific research, manufacturing, management and culture as "the aircraft carrier" in power transmission and transforming
Industry.
Seeing is believing, Tianan Group sincerely welcome all new and old customers
And friends come to our company for a visit or inspection.
