FN16A-12 Series indoor AC high voltage vacuum load switch, load switch - fuse combinations
1.Product Description
FN16A-12 Series switch for AC 50Hz, rated voltage of 10kV network, can be breaking the load current, overload current and closing short-circuit current. Combination of electrical short-circuit breaking current, especially for oil-free, no maintenance required and frequent operation places.
The innovative product design, small size, flexible installation, simple operation, with manual, electric two-function operation. With its operating mechanism CS6-1 type of CS or dedicated type, can also be directly manipulated in the back of the switch, you do not need to reprovision operating mechanism.
2. Type Meaning:
FN 16A - 12 R D / 200 - 31.5 - JS
FN: Indoor Switches
16A: Design Number
12: Rated voltage
R: fuse with load switch linkage
D: with ground
200: The maximum current rating of the fuse with (A)
31.5: rated short-circuit breaking current (kA)
J: electric (including manual)
S: manual operation (generally not noted)
3. Technical parameters: load switch
| No. | Item | Unit | Parameters |
| 1 | Rated voltage | kV | 12 |
| 2 | Rated frequency | Hz | 50 |
| 3 | Rated current | A | 630 |
| 4 | Rated active load breaking current | A | 630 |
| 5 | Rated breaking current loop | A | 630 |
| 6 | 5% rated active load breaking current | A | 31.5 |
| 7 | Rated cable charging breaking current | A | 10 |
| 8 | Rated capacitor breaking current | A | 400 |
| 9 | Rated no-load transformer breaking current |
| 1600kVA
Transformer no-load current |
| 10 | 1 min Frequency withstand voltage (rms) to
ground, interphase, vacuum fracture / isolation port | kV | 42/48 |
| 11 | Full prey electrical impulse withstand voltage (peak)
to ground, interphase, vacuum fracture / isolation port | kV | 75/85 |
| 12 | Rated short time withstand current (thermal stability) | kA/s | 20/3 |
| 13 | Rated peak withstand current (dynamic stability) | kA | 50 |
| 14 | Rated short-circuit current | kA | 50 |
| 15 | Rated current breaking times | time | 10000 |
| 16 | Mechanical life | time | 10000 |
| 17 | Contact permission attrition accumulation thickness | mm | 3 |
| 18 | Open and close operating torque (force) | Nm | 120(240) |
| 19 | Secondary control power voltage | V | AC / DC 240 |
| 20 | Net weight | kg | 61 |
| 21 | Dimensions | mm | 720 x 490 x 885 |
| 22 | Package dimension | mm | 830 x 900 x 520 |
4. Structure Introduction
FN16A-12 Load switch consists of a chassis vacuum interrupter, isolating switch, grounding switch and actuator components. Through the upper and lower insulators isolating switch fixed to the bottom frame. Vacuum interrupter chamber through the insulator is fastened to the upper and lower frame, the upper and lower brackets to support the installation of the insulators, increasing the product overall structural stability. Grounding switch removable, mounted on the lower end of the vacuum interrupter, operating mechanism mounted on the inside of the base chassis, mechanical locking device left and right sides of the chassis.
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.
5. 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 |
6. Technical Parameters: combination of electrical fuses
| 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 |
7. Ordering Information
Need to specify when ordering
a, product type, name, size, quantity
b, the name of spare parts, specifications and quantity
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).
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Tianan Group is one of the domestic manufacturers and scientific research
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And test equipments, efficient and flexible management mechanism, a great
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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
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In recent years, many prizes have been awarded to Tianan, such as: National May1st Labor Prize, National Innovation-based Pilot Enterprise, National Mechanical
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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.
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