| Prod Model: |
ZW7-40.5 |
| Breaking Capacity: |
High Voltage Circuit Breakers |
| Operation: |
Electric Type |
| Speed: |
High-Speed Circuit Breaker |
| Arc-extinguishing Medium: |
Vacuum |
| Installation: |
Fixed |
| Poles Number: |
3 |
| Certification: |
CCC |
| Structure: |
Vcb |
Product Description
ZW6-40.5 (40.5kV) Vacuum Circuit Breaker, Outdoor Type, 1.General1.1Ratings: Rated voltage up to 40.5kV, Rated current up to 2000A, AC50HZ 1.2 Application: for making and breaking load current, overload current and short-circuit protection of electric systems and equipments. 1.3 Standard: IEC62271-1002. Type and Interpretation: Z : Vacuum circuit breaker
W : Outdoor
7 - :Design code
40.5: Breaking voltage(kV)3. Working Condition3.1 Ambient air temperature: -25
ºC~ +40
ºC3.2 Altitude: ≤2000m
3.3 Pollution level. ≤III
3.4 Wind speed: 34m/s (Equal to 700 over cylindrical surface)
3.5 The external shocking and earthquake could be neglected.
3.6 The influence of sunshine radiation when 1000w/m should be taken into consideration.
3.7The amplitude of electromagnetic interference in the secondary system
Note: Customized products for other special working conditions are available on your requirements.
4. Main Technical Parameter| Item | Unit | Data |
| Rated voltage | kV | 40.5 |
| Rated insulation level | 1min power frequency with stand voltage | Dry test | kV | 95 |
| Wet test | kV | 80 |
| Rated lightning impulse withstand voltage | kV | 185 |
| Rated frequency | Hz | 50 |
| Rated current | A | 1250 | 1600 | 2000 |
| Rated short-circuit breaking current | kA | 20 | 25 | 31.5 |
| Rated short-circuit making current(peak) | 50 | 63 | 80 |
| Rated short-time withstand current | kA | 20 | 25 | 31.5 |
| Rated peak withstand current | 50 | 63 | 80 |
| Rated duration of short-circuit | s | 4 | 4 | 4 |
| Rated operation sequence | | O-0.3s-CO-180S-CO* |
| Mechanical life(grade M2) | times | 10000 |
| Electrical life | | E2 class |
| Overall breaking time | s | |
| Rated breaking current of cables charging | A | 50 |
| Rated breaking times of short-circuit breaking current | times | 20 |
| Peak value of TRV | kV | 114 |
| Rated operating voltage and auxiliary circuit voltage | V | DC220,110,24
AC220,110,24 |
| Weight | kg | 800 |
5. Overall and Installation Dimension
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
