Home > Products > Components Of Vitality > ZW7-40.5KV outdoor vacuum circuit breaker(vcb)
ZW7-40.5KV outdoor vacuum circuit breaker(vcb)
- 500 Set / Sets per Month
- Qingdao
- T/T
Product Details
Place of Origin: | Shandong, China | Brand Name: | GREATWALL | Model Number: | ZN63-12 |
Type: | Vacuum | Poles Number: | 3 |
Product Description
ZN63-12 Type side mounted type vacuum circuit breaker is indoor high voltage switch equipment is applicable to rated voltage 12 kV, frequency 50Hz three-phase power system, as the protection and control of electrical use, due to the special advantages of vacuum circuit breakers, especially for applications that require frequent operation rated current, or multiple short-circuit breaking current place.
VS1-12 Type side mounted type vacuum circuit breaker adopts fixed installation, mainly for fixed switch, the circuit breaker can be used alone, but also for ring network power supply, box variant or non-standard power supply system.
Number | Project | Unit | Data | |||
1 | Rated Voltage | KV | 12 | |||
2 | Maximum working voltage | KV | 12 | |||
3 | Rated Current | A | 630-1250 | 630-1600 | 630-1600 | |
4 | Rated short circuit breaking current | KA | 20 | 25 | 31.5 | |
5 | Rated short –circuit current | KA | 50 | 63 | 80 | |
6 | Rated peak withstand current | KA | 50 | 63 | 80 | |
7 | 4S rated short-circuit withstand current | KA | 20 | 25 | 31.5 | |
8 | Rated insulation level | Frequency voltage (rated breaking before and after) | KV | 42(Fracture 84) | ||
Impulse withstand voltage (rated breaking before and after) | 75(Fracture 48) | |||||
9 | Rated operating sequence |
| All sub-sub -0.3S-sub-180s-Hop | |||
10 | Mechanical life | Times | 10000 | |||
11 | Rated short-circuit current breaking times | Times | 50 | |||
12 | Rated operating mechanism closing voltage(DC) | V | AC,DC 110,220 | |||
13 | Actuator voltage of the floodgate (DC) | V | AC,DC 110,220 | |||
14 | Contact opening distance | mm | 11±1 | |||
15 | Overtravel (the length of contact spring compression) | mm | 3.5±0.5 | |||
16 | Three-phase points, closing phase of the different | ms | ≤2 | |||
17 | Contact closing bounce time | ms | ≤2 | |||
18 | Average opening speed | m/s m/s | 0.9~1.2 | |||
19 | Average closing speed | 0.5~0.8 | ||||
20 | Tripping time | Maximum operating voltage | S
| ≤0.05 | ||
Minimum operating voltage | ≤0.08 | |||||
21 | Closing time | S | 0.1 | |||
22 | The main circuit resistance of each phase | uΩ | 630≤50 1250≤45 1600≤40 | |||
23 | Cumulative thickness of the wear contact allows movement | mm | 3 |
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 xxx 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.
Contact Us
- Qingdao Yonghuaxu Trading Co., Ltd.
- Contact nameJackie Wang
- Phone86-532-80771657
- Address901, Unit 1, Bldg. 2, Lvdao Jiayuan, No. 16, Fuzhou South Road, Shinan Dist., Qingdao,Shandong
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