ZW8/630 outdoor high voltage vacuum circuit breaker is suitable for 50Hz three-phase power system, mainly used for breaking and closing the load current, no-load current and short-circuit current of the urban 10kV power grid. It can also be used as a sub-switch for rural power grids and small power systems. It is an updated product for urban and rural power grids and rural oil-free power systems.
- The overall structure of the ZW8 outdoor high-voltage vacuum circuit breaker product adopts a three-phase common box type, the bushing selects the line, the box body is dry air, and the electric spring operating mechanism is arranged on the side of the box body. Reliable use under harsh environmental conditions.
- The ZW8 outdoor high voltage vacuum circuit breaker product vacuum arc extinguishing announcement adopts ceramic shell, cup-shaped longitudinal magnetic field contact structure, copper chromium contact material, and has excellent breaking and short-circuit current capabilities.
- The product is small in size, light in weight and beautiful in appearance. The vacuum interrupter and the insulating support sleeve are compact in design, and the outlet conductive rod is filled with silicone rubber, which can adapt to harsh weather conditions and dirty environments.
|3||Power Frequency Withstand Voltage||42kV/48kV|
|4||Lightning Impact Withstand Voltage (peak)||75kV/85kV|
|5||Rated short-circuit switching current (EFFECTIVE value)||20kA|
|6||Rated short-circuit switching current (peak)||50kA|
|7||Rated order of operation||open 0.3s, close 180s|
|8||Rated short circuit current switching times||30|
|9||Mechanical Life ||10000|
|10||Rated operating voltage (closing/opening coil)||DC220V, AC220V|
|11||Allowance Wear thickness for dynamic and static contact||3mm|
|12||Isolated Port Disconnection Distance||>200mm|
Q: Are you the manufacturer or trader?
A: We are both manufacturer & trader. We have our own manufacturer named TIANYI TONGYI ELECTRIC CO.,LTD, who have 27 years experience in electric industry. It covers an totally area of 117,000 m2 with 300 employees, also is a qualified supplier of China National Nuclear Corporation(CNNC) and main supplier for State Grid & China Southern Power Grid.
Q: What is your after-sales service?
A: We always provide free online service and technical support within 24 hours. 18 months warranty for customers.
Q: What is your delivery time?
A: Normally 25~35days. It depends on the order quantity and season. We have very strong capacity to produce top quality products, please inquiry us if you have any questions.
Q: What is the quality warranty time?
A: We have quality certificate CCC, CQC, ISO9001, CE ... Meanwhile, we can provide 18 months warranty for our products. Free online service and technical support within 24 hours is always provided to our customers.
Q: Do you accept ODM and OEM?
A: Yes. We have professional R & D teams to update and develop the latest technology. We also can support ODM or OEM, please send us details drawing to discuss.
Q: What is your payment terms?
A: Generally there are two payment terms:
- 30% advance payment via T/T as a deposit, balance 70% against the shipping documents
- Irrevocable L/C at sight
Q: If I want to visit you, how to go?
A: Our factory is located in Luoyuan County, Fuzhou City. Details address is Songshan Area, Taiwan Investment Zone, Luoyuan County, Fuzhou City, Fujian Province,China.
Anyway, please contact us in advance, we will send the car to the airport or train station to pick you up.Sincerely welcome you to come and visit us.
- The nearest airport is Fuzhou Airport, if you come by air, please arrive in Fuzhou Airport, it takes 1 hour from the airport to our factory
- The nearest train station is Luoyuan Station, if you come by train, please arrive in Luoyuan Station, it takes only 5 minutes to our factory.
Q: Do you need agents?
A: Yes, we welcome you to be a partner. Welcome to contact us for more information.