Product Specifications
| Prod Model: |
VS1-24KV |
| Markets: |
North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
| Type: |
Circuit Breaker |
| Function: |
Circuit-Breaker Failure Protection |
| Arc-extinguishing Medium: |
Vacuum |
| Breaking Capacity: |
High Voltage Circuit Breakers |
| Poles Number: |
2 |
| Certification: |
ISO9001-2000 |
| Operation: |
Manual Type |
| Installation: |
Fixed |
| Speed: |
High-Speed Circuit Breaker |
| Structure: |
Moulded Case Circuit Breaker |
Product Description
VS1-24 series side-loading type(VBM7) indoor high-voltage vacuum circuit breaker is a kind of three-phase indoor high-voltage switchgear of rated voltage 24kV and AC 50Hz, used for control and protection of electric facilities.
|
Item |
Unit |
Parameter |
|
Rated Voltage |
kV |
24 |
|
Rated Current |
A |
630~1250 |
630~1250 |
630~1250 |
|
Rated Short-circuit Breaking Current |
kA |
20 |
25 |
31.5 |
|
Rated Short-circuit Making Current |
kA |
50 |
63 |
80 |
|
Rated Peak Withstand Current |
kA |
50 |
63 |
80 |
|
4s Rated Short-time Withstand Current |
kA |
20 |
25 |
31.5 |
|
Rated Insulation Level |
1min Power Frequency Withstand Voltage (crest) |
kV |
65 |
|
Lightning Impulse Withstand Voltage (peak) |
kV |
125 |
|
Rated Operating Sequence |
|
O-0.3s-C O-180s-CO |
|
Mechanical Life |
times |
10000 |
|
Rated Short-circuit Current Breaking Times |
times |
50 |
|
Rated Closing Voltage of Operator (DC) |
V |
110, 220 |
|
Rated Opening Voltage of Operator (DC) |
V |
110, 220 |
|
Clearance Between Open Contacts |
mm |
11± 1 |
|
Over travel of Contacts |
mm |
3.5± 0.5 |
|
Three-phase Opening/Closing Synchronization |
ms |
≤ 2 |
|
Closing Bouncing Time |
ms |
≤ 2 |
|
Average Opening Speed |
m/s |
0.9~0.12 |
|
Average Closing Speed |
m/s |
0.4~0.8 |
|
Opening Time |
Highest Operating Voltage |
s |
≤ 0.05 |
|
Lowest Operating Voltage |
s |
≤ 0.08 |
|
Closing Time |
s |
0.1 |
|
Main Loop Resistance of Each Phase |
μ Ω |
60 |
50 |
|
Total Thickness of Permissible Wear of Moving and Static Contacts |
mm |
3 |
Zhejiang Zhongneng Electrical Co., Ltd., located in Zhejiang Province, is the key medium/high voltage electric productive enterprise of FATO Mechanical and Electrical Equipment Group Co., Ltd.And a provincial advanced enterprise, mainly producing 220kV and below high voltage electro ceramic products, especially lightning arrester series, composite insulator series and drop-out fuse cutout series, and low-voltage surge protective device series.Our products have complete testing devices and strict quality and production management systems.Our products are known for the characteristics of solid power, advanced science and technology, considering service and solid quality.Moreover, for some core products, we have the independent intellectual property right.
Our corporation has the independent corporate capacity.Our progenitor is the division store of Suzhou Surge Arrester Co., Ltd.Which is founded in 1989, and after joined into FATO Mechanical and Electrical Equipment Group Co., Ltd.In 2003, we changed the name to Zhejiang Zhongneng Electrical Co., Ltd.
Zhejiang Zhongneng Electrical Co., Ltd.Is the professional over-voltage protectors manufacturing enterprise, and a member unit of China Electric Industry Association.We passed the certification of ISO9001 quality system and confirmed to standards such as IEC 60099-4, 61643-1, 291, 282 issued by international electric and industrial committee.Moreover, we have a long-term technical cooperation with many technical and research institutes and core enterprises in this industry line, and the qualities of our products can stand long-time decimation.
Following the technical and economical developing step, and the globalization process, in the merger process of global advantage resources, we constantly expect the cooperation coming from global partner.We are looking forward to cooperating with you!
