| Customization: | Available |
|---|---|
| Breaking Capacity: | High Voltage Circuit Breakers |
| Operation: | Manual Type |
|
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ZW8-12 Series High-voltage Vacuum Circuit Breaker
Application
ZW8-12 series high-voltage vacuum circuit breaker is a kind of outdoor high-voltage switch equipment with 50Hz three-phase alternating current 12 kV rated voltage. It mainly apply to break and close the load current, overload and short-circuit in country power net, city power net and mini-type power system.
| No. | Item | Unit | Data | ||||
| 6.3 kA | 12.5kA | 20kA | |||||
| 1 | Rated voltage | kV | 12 | ||||
| 2 | Maximum | kV | 12 | ||||
| 3 | Rated current | A | 630 | ||||
| 4 | Rated short circuit load dropout current | kA | 6.3 | 12.5 | 20 | ||
| 5 | Rated short-circuit making current | kA | 16 | 31.5 | 50 | ||
| 6 | Rated peak withstand current | kA | 16 | 31.5 | 50 | ||
| 7 | Rated short time 1 min tolerance current | kA | 6.3 | 12.5 | 20 | ||
| 8 | Rated insulation level | High-voltage test with working frequency | kV | 42 | |||
| Lightning shock pressure | 75 | ||||||
| 9 | Rated operating sequence | Prat-0.3S- Joints-180S-Joint points | |||||
| 10 | Institution life | time | 10000 | ||||
| 11 | Rated short open circuit current switch frequency | time | 30 | ||||
| 12 | Operating mechanism rated switching voltage | V | 110,220 | ||||
| 13 | Operating mechanism rated points brake current | V | 110,220 | ||||
| 14 | Contact clearance | mm | 11±1 | ||||
| 15 | Super stroke (contact spring compression length) | mm | 3 | ||||
| 16 | Three phase points, closing not synchronism | ms | ≤2 | ||||
| 17 | Contact switching bounce time | ms | ≤2 | ||||
| 18 | Average opening speed | m/s | 1.0±0.2 | ||||
| 19 | Average closing speed | m/s | 0.7±0.15 | ||||
| 20 | Opening time | The highest operating voltage | s | 0.015-0.05 | |||
| The minimum operating voltage | 0.03-0.06 | ||||||
| 21 | Closing time | s | 0.025-0.05 | ||||
| 22 | Each phase main loop resistance | μΩ | ≤120(≤200) | ||||
| 23 | Action contact allowed to wear accumulative thickness | mm | 3 | ||||
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Know More About Our Company
Define-TAILI
Total Solution is how we define "TAILI". From design & customization, engineering, manufacturing, installation, to after - sale service. TAILI provides a Total Solution to our customers, helping and supporting them to gain a competitive advantage in their market.
TAILI, founded in 1988,is one of the largest and most respected manufacturers of MV power distribution products in Wenzhou, China, the "Electric Industry Center" of China. We have factories for manufacturing, research &development, and distribution of products: Transformers, Indoor&outdoor switches, Switchgears, Power substations, and electric components for transformers and switchgears.
Our mission at TAILI is to provide the highest - quality products at the best possible price. And by doing so, to provide an unmatched customer experience and actively establish long-term cooperative relationships with our new and old customers.
Our Advantages
Design Ability:Our design team can combine the needs of customers from East Europe, Africa, South America, the Middle East, Southeast Asia and other regions to customize transformers for different local market demands. As a Chinese manufacturer with more than 25 years' experience, we can produce transformers with European quality at a very competitive price, and perfectly replace imported products from Europe, so that users can use high-quality power products at the lowest cost to gain more advantages in their market.
Efficient Service: With 15 years of experience in the electrical line, we are committed to providing comprehensive technical support, design and customized solutions for our partners. And provide timely service for each step within 24 hours from design,production, logistics installation, etc..,to ensure clients an efficient and smooth operation of the projects! Partners' recognition is the motivation and encouragement for us. We attach importance and pursue giving one-stop service!
Certifications
Attention
1. The payment term: We accept TT,30% deposit and 70% balance against copy of BL.
2. The delivery time: Usually it will take about 15-20 days.
3. The standard of package: Usually use strong plywood cases for protection.
4. The material of transformer: We have two types, one is with copper and another one is with aluminum. It depends on your requirement. In fact, there are differences between the two when they work well. Except for the long - life factor, copper is better and also has a higher price.
5. The logo: If you have a good quantity, it is absolutely no problem to do OEM.
6. Our market: Our products are popular in Indonesia, the Philippines, Russia, the USA, the Middle East and so on. Some of them are our regular customers and some are in the process of development. We hope you can join us and make mutual benefits from our cooperation.
7. Warranty: within 12 months since BL date.
FAQ
Q1: Are you a manufacturer or trading company?
A1: Yes, we are a manufacturer dedicated to designing customized products according to different country standards and the production of a wide range of high-quality transformers, switchgears, and power substations. Meanwhile, we can also provide relevant accessories and components with guaranteed quality from our branch factories. We improve the design to make our products more competitive in the market while maintaining better quality to ensure long-term performance.
Q2: How does your factory handle quality control and after-sales support?
A2: All the products will be 100% checked and tested before delivery. We also have an inspection team to make videos with customers online or send them via email. All our products comply with strict tests, ensuring easy maintenance. We also offer online after-sale service in case of any further problems.
Q3: When can I get the price?
A3: Usually we quote within 1 hour after we receive your inquiry. For customized products that need special design, we will quote within 12 hours with detailed specifications for confirmation.
Q4: Can you manage the delivery directly to our country under the DIP term?
A4: Yes, we have our own logistics company that helps to find a better solution for delivery, making the delivery time more punctual and at a lower cost.
Q5: Can I get a product guarantee after delivery?
A5: Yes, every product has a 2-3 year quality warranty under the condition that customers use the products correctly.
Q6. Do you have any certificates?
A6: Yes. Each of our products has CE, 3C and CQC certificates. If you need any other certificates, we can help you apply for them.
Q7: How can I pay you?
A7: Payment by T/T and L/C is acceptable
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