Chinese manufacture high voltage indoor vaccum electrical circuit breaker VCB 12KV with best selling
USD $500 - $2,500 /Set
Min.Order:1 Set
Qingdao Yonghuaxu Trading Co., Ltd.
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Overviews
Indoor high-voltage vacuum circuit breaker is an AC three-phase 50HZ indoor high-voltage switching equipment with rated voltage of 24KV,mainly applied for protection and control in power distribution system of power plant,electric substation and industrial and mining enterprise,It is especially applied for breaking of important load and place requiring frequent operation.
1.Altitude:≤2000m,It should be custom-made for>2000m.
2.Ambient temperature:Max.+40 °C,Min.-25°C
3.Relative Humidity:Daily average value should be less than 95%,monthly average value should be less than 90%
4.The earthquake intensity:less than 8 degree.
5.The place where it is used is free from fire,explosion,chemical corrosion and intense vibration.
NO | Item | Units | parameters |
1 | Rated voltage | KV | 12 |
2 | Rated Frequency | HZ | 50 |
3 | Rated Current | A | 630.1250.1600.2000.3150 |
4 | Rated short-circuit breaking current | KA | 20 25 31.5 |
5 | Rated short-circuit closing current (peak) | KA | 50 63 80 |
6 | Rated short-circuit duration | S | 4 |
7 | Rated short-circuit breaking current breaking number | nos | 50s |
8 | Rated operating sequence |
| 0-0.3s-CO-180s-CO |
9 | Rated lightning impulse withstand voltage | kv | 125 |
10 | 1min power frequency withstand voltage | KV | 65 |
11 | Closing time | ms | ≤ 70 |
12 | opening time | ms | ≤ 50 |
13 | Mechanical life | Times | 20000 |
14 | Rated Storage and operation voltage | V | AC DC 220/110 |
15 | Breaking life | ms | ≤ 80 |
16 | Storage life | s | ≤ 10 |
a. Delivery term:
We will delivery for you after you done the full payment within 7 to 20 working days.
b. Payment:
Usually,we accept T/T, irrevocable L/C at sight ,for regular order ,we prefer 50% in advance ,50% against the copy of B/L.
1.We have a professional and efficient team. Young R&D team with experienced, our team average age is 13 years and the staff longest experience in the industry field are over 15 years while the shortest one are more than 20 years.
2.Our products manufacturing process are in accordance with GB/T19001-2008 quality management system requirements and technical standards are in accordance with GB11022 / DL404 IEC60694 which could guarantee delivering time & excellent quality for the clients.
3.The price advantage: our company has established complete supplier evaluation & supervision system, strict control of production cost and strive to provide the optimized cost-effective products for clients
4.Professional and timely after-sales service: Based on all products standardized design, we can provide users with the most convenient and fast service, our 24 hours service telephone: 0086-532-80771657.
5.Team trust, cooperation, commitment, loyal customers, strict compliance and deliver on time.
Q: How do you control the quality ?
A: We have QC team comply with TQM,each step is in compliance to the standards,At the same time ,we will take photos and shoot video for you .
Q: What about lead or shipping time?
A: The lead time depends on quantity you ordered ,but generally within 40-50 days upon receipt of advance payment.
Q: How long does it take for me to get the quotation.
A: For customized products, we will quote after you provide the requested product detailes within 48 hours beacuse we need the time to calculate cost, but we will quote the soonest possible. for our standard product posted here we can quote in 24 hours.
Q: Why should I choose your company?
A: We take customers's requirments as our mission,and take each details very carefully. We have about 15 years experience for electric power business. We try to support our customers always,including delivery time,price ,pre-sale,after-sales,though We are not the best,but we are always to improve ourself and meet your needs.Choose us ,will don't make you disappointed.