| Prod Model: |
FKN12-12D |
| Function: |
Industry |
| Pole: |
3 |
| Rated Continuous Current: |
60A |
| Brand: |
Cnhk |
Product Description
FZ(R)N25-12D Indoor Vacuum Load Break Switch with Fuse
1.General
1.1Ratings: Rated voltage up to 12kV, Rated current up to 630A, AC50HZ
1.2 Application: for the control and protection of substation and equipments; making and breaking short-circuit current under various operating status of electric network.
1.3 Standard: IEC62271-105
2. Type and Interpretation:
2.1 Vacuum Load switch
FZ(R)N25-12D
FZ:Vacuum load switch
R;With limit current fuse
N:INDOOR
25:DESIGN NO.
12:RATED VOLTAGE
D: EARTHING SWITCH
3. Working Condition3.1 Ambient air temperature: -25
ºC~ +40
ºC3.2 Altitude: ≤1000m
3.3 No operating in such places as subject to dust, smog, corrosive/flammable gas, vapor and salt pollution.
3.4 Relative humidity: Daily average
95%
Monthly average
90%
3.5 Water vapor pressure: Daily average
Monthly average
1.8kPa
3.6 The external shocking and earthquake from the switchgear and control equipment
could be neglected.
3.7 The amplitude of electromagnetic interference in the secondary system
1.6kV
Note: Customized products for other special working conditions are available on your requirements.
4. Features:Easy operation and installation
Connection combination is simple and convenient
Insulation and sealed structure,
Reliable interlock, compact design
5. Operating mechanism5.1 Manual Spring operation mechanism(Fig.1)
5.2 Electric Spring operation mechanism(Fig.2)
(Operation voltage: AC220V, DC220V)
6. Main Technical Parameter | Item | Unit | Data |
| FZN25-12D/T630-20 | FZN25-12D/T125-31.5 |
| Rated voltage | kV | 12 |
| Rated frequency | Hz | 50 |
| Rated current | A | 630 | 125 |
| Rated insulation level | 1min power frequency with stand voltage(Phase to earth, between poles, open contacts) | kV | 42 | 48 |
| Rated lightning impulse withstand voltage(Phase to earth, between poles, open contacts) | kV | 75 | 85 |
| Rated peak withstanding current | kA | 50 | |
| 4S rated short-time withstanding current | kA /s | 20 | / |
| Earthing switch rated short-time withstanding current/Rated short-circuit duration time | kA/s | 20/4 | / |
| Rated breaking current | Power load breaking current | A | 630 | / |
| Close loop breaking current | A | 630 | / |
| Breaking cable charge current | A | 31.5 | / |
| Breaking no-load transformer capacity | kVA | 1250 | 1250 |
| Rated short-circuit breaking current | kA | / | 31.5 |
| Breaking transfer current | A | / | 3150 |
| Fuse type | | / | SDLAJ-12,SFLAJ-12 |
| Shocking input energy | J | / | 3-5 |
| Rated short-circuit making current | kA | 50 | 80(expected) |
| Earthing switch rated withstand current(peak) | kA | 50 | 50 |
| Earthing switch 4S rated short-time withstand current | kA | 20 | 20 |
| Auxiliary circuit rated voltage | V | 220:110 | 220:110 |
| Mechanical life(grade M2) | times | 20000 |
| | | |
Huanghua Group is an enterprise group, which integrates industrial manufacturing, import and Export, founded in 1980. Now the group has more than 500 employees. There are five subsidiaries, and the products have founded ready markets in all regions of China and some of oversea markets. CNHK Electrics Co., Ltd., is the head of the Group. It is the largest company in terms of production and sales volume of high voltage electrical components in the group. The second one is producing high voltage power transmission. The third one is producing transformer. The fourth one is producing cabinet and the fifth one is a domestic trade company.
Huanghua Group is one of the Top 500 Private Enterprises in comprehensive strength in China, mainly specializing in the production of high-low voltage power transmission and distribution equipment, including substation, power distribution automated switchgears, terminal devices, as well as high-low voltage components, etc. In view of being specialized in electric industry, Huanghua Group gradually grows into one of the leading enterprises in industrial electrical equipment field in China. The group has invested in Shanghai to establish Shanghai Huanghua (CNHK) Electric Industrial Zone. The industrial zone area is more than 80, 000 square meters.
For more than 30 years, Huanghau Group has always been insisting on the operation philosophy of "People oriented, Credit Based, Values Shared".
Nowadays, science and technology are under rapid development. We believe the human society's progress shall be highly promoted, and we will go with this trend to keep forging ahead actively.
We have passed ISO9001 Quality System Certification, ISO14001 Environment System Certification and other certificates on programs, including China Compulsory Certification (CCC) and CE. International certificates are under proceeding.
We are looking forward to cooperating with you and to creating a brilliant future together.
Contact person: Ms. Amber Ouyang
Fax/Tel.: 0086-577-62651121
Tel.: 0086-577-62651123
Mobile: 13575421178
International website: www.cnhkele.com
Domestic webiste: www.huanghua.com
