ZN63(VS1) indoor high-voltage alteratingcurrent vacuum circuit breaker has a frequency of 50Hz and a rated voltage of 12kV. It applies to the ecrical equipment control and protection in industial and mining enterprises, power plants and substations, priculanty to the places needing frequent operation. It can be fixed in a switch cabinet or nstalld on a handcart.
Product Description:
ZN63(VS1) indoor high-voltage alteratingcurrent vacuum circuit breaker has a frequency of 50Hz and a rated voltage of 12kV. It applies to the ecrical equipment control and protection in industial and mining enterprises, power plants and substations, priculanty to the places needing frequent operation. It can be fixed in a switch cabinet or nstalld on a handcart.
With stable performance and convenient intallation, it is the best choice for the control and protection of hig-voltage power transmission and distribution systems.
Product Parameter (Specification)
| Item | Unit | Parameters | ||
| Rated Voltage | KV | 12 | ||
| Rated Current | A | 630-3150 | ||
| Rated short- circuit breaking current | KA | 20 | 31.5 | 40 |
| Rated short- circuit closing current | KA | 50 | 80 | 100 |
| Rated dynamic steady electric current(peak) | KA | 50 | 80 | 100 |
| Rated thermal stability current(RMS) | KA | 20 | 31.5 | 40 |
| Rated thermal stability time | S | 4 | ||
| The breaking times of rated short circuit breaking current | Times | 30 (50) | ||
| Open time of CD10 electromagnetic operating mechanism | mS | < 80 | ||
| Rated operating sequence | O-0.3s-CO- 180s-CO | |||
| A minute power frequency withstand voltage(RMS) | KV | The phase 42, section 48 | ||
| Lightning shock pressure | KV | The phase 75, section 85 | ||
| Mechanical life | Times | 10000 | ||
| Note: 20KA,31.5KA t=0.3s t 1= 180s 40KA t=180s t 1= 180s | ||||
Packaging:

COMPANY INTRODUCTION:
Jecsany Electrical Equipment Co., Ltd. was established in 2009, and it is backed by China Electric Porcelain Import and Export Co Ltd. Since 1981, the company has focused on the research and development, manufacturing and export of professional high-voltage power products, and has accumulated profound technical background and rich industry experience in this field, and has built a reputation for delivering high-quality products and exceptional service to our clients.
Moreover, the company gives full play to its own R&D and production experience advantages, and strives to cultivate a professional team that can match products with the fastest speed and highest accuracy. At present, the company has professional teams engaged in the power industry in South Africa, USA, South America, Vietnam and other places.
After years of development, the company has gradually become a professional supplier of diversified products including Power Transformers, Auto-Reclosers, Vacuum circuit breakers, Lightning arresters, Line protection devices, Switchgears, Fuse cutouts, Polymer / Glass / Porcelain insulators, Power line fittings and Tools, etc. Jecsany can provide customers with one-stop full-service from product development, design, manufacturing to transportation, installation and after-sales service.




