Vacuum Circuit Breaker (ZW7-40.5)
Product Specifications
| Prod Model: |
ZW7-40.5 |
| Markets: |
North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
| Arc-extinguishing Medium: |
Vacuum |
| Breaking Capacity: |
High Voltage Circuit Breakers |
| Operation: |
Electric Type |
| Installation: |
Fixed |
| Speed: |
Normal Type Circuit Breaker |
| Structure: |
Conventional Circuit Breaker |
Product Description
ZW7-40.5 series outdoor high voltage vacuum circuit breaker is three phase AC 50Hz, rated voltage is 40.5kV outdoor high-voltage electrical equipment, attached the spring operator or electromagnetic actuator can be well controlled electric opening and closing can also be Manual storage, manually open and close. Design performance meet GB1984-89
; National standards, and meet the IEC-56; International Electro-technical Commission standards. ZW7-40.5 Type vacuum circuit breaker is mainly used for outdoor 35kV power transmission system control and protection also applies to urban and rural power distribution networks and industrial and mining enterprises in the normal operation and short circuit protection purposes. The overall structure of the insulator pillar product type; Built vacuum interrupter type on the vase, porcelain vase for the next pillar vase. For frequent operation place. And has good sealing, anti-aging, high pressure, no burning, no explosion, long life, convenient installation and maintenance features.
| | Item | Unit | data |
| | Rated voltage | kV | 40.5 |
| | Rated insulation level | 1min power frequency withstand voltage | dry | kV | 95 |
| wet | 80 |
| Lightning impulse withstand voltage (peak) | 185 |
| | Rated current | A | 1250,1600,2000 |
| | Rated short-circuit breaking current | kA | 20,25,31.5 |
| | Rated operating sequence | | O-0.3s-CO-180s-CO |
| | Rated short-circuit breaking current breaking times | times | 20 |
| | Rated short- circuit closed current (peak) | kA | 50,63,80 |
| | Rated peak withstand current | kA | 50,63,80 |
| | Rated short-time withstand current | kA | 20,25,31.5 |
| | Rated short-circuit duration | s | 4 |
| | Average opening speed | ms | 1.5±0.3 |
| | Average closing speed | ms | 0.6±0.3 |
| | Contact closing bounce duration | ms | ≤5 |
| | Three phase closing and opening synchronism | ms | ≤2 |
| | Opening time | ms | ≤90 |
| | Closing time | ms | ≤60 |
| | Mechanism life | times | 10000 |
| | Rated operating voltage and auxiliary loop rated voltage | V | DC 110/220 |
| AC 110/220 |
| | Phase loop DC resistance (without current transformer) | µΩ | ≤100 |
| | Permitted accumulate wear-thickness of dynamic and static contact | mm | 3 |
| | Weight | kg | 800 |
GHORIT Electric Equipment Co. Ltd. Zhejiang established in 2000, is a large-scale high and new-tech enterprise specialized in researching, developing, producing, marketing and servicing. The leading products include vacuum circuit breaker, High voltage and Medium Frequency Capacitor, high voltage load disconnecting switches and other high & low voltage electrical component. The enterprise has Shanghai and Zhejiang two production base, take up 26000 square meter, and more than 200 staff, fixed assets 60 million, annul sales turnover up to 1 billion.
Ghorit has passed the ISO9001 Quality Management System Certification, CCC and European Economic Community product Safe Qualified Symbol CE. The enterprise own advance production line and test line for circuit breaker and other various advance production and test facilities about 60 sets, make sure all technical data keep on database from begin produce to leaving-factory. Establish advance ERP network management system and computer-aided design system. With rich technical research and development strength, advanced production check-out facility, exquisite production workmanship, we win confidence by our customer. Ghorit is award star enterprise, advance enterprise, the top 100 enterprise of tax and etc.
On the concept of "professional, innovation", the enterprise has a united, high specialized quality, skilled and management team. The enterprise purpose is " our work standard and pursuit is meet the customers demand and expectation" with first-class management, first-class technology, first-class facilities, first-class staff, which assure Ghorit become you best cooperation partner.
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