Product Specifications
| Prod Model: |
GVS7-12 |
| Markets: |
North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
| Arc-extinguishing Medium: |
Vacuum |
| Breaking Capacity: |
High Voltage Circuit Breakers |
| Operation: |
Electric Type |
| Installation: |
Fixed |
| Speed: |
Normal Type Circuit Breaker |
| Structure: |
Conventional Circuit Breaker |
Product Description
GVS7-12 type mine high-voltage vacuum circuit breaker, adapt to our company own developed overall type spring operating mechanism, combined with flameproof electrical feeds, development, production of miniature circuit breaker. Use for underground three-phase AC 50Hz, rated voltage 12 (7.2) kV of the mine explosion-proof devices. Available for coal mine explosion-proof electrical feeds, and general occasions of mine electrical control and protection purposes. Circuit breakers can be installed as Handcart-type or fixed structure to meet the needs of different installation sites.
|
NO |
Item |
Units |
parameters |
|
1 |
Rated voltage |
KV |
12(7.2) |
|
2 |
Rated Frequency |
HZ |
50 |
|
3 |
Rated Lightning Impulse voltage tolerance(peak) |
KV |
43(32) |
|
4 |
Rated short-time power-frequency voltage tolerance(1min) |
KV |
75(60) |
|
5 |
Rated current |
A |
125.250.400.630 |
|
6 |
rated short-circuit breaking current |
KA |
12.5.16.20.25 |
|
7 |
rated short-circuit closing current (peak) |
KA |
31.5.40.50.63 |
|
8 |
rated short-circuit duration time |
S |
4 |
|
9 |
Rated operating sequence |
|
0-0.3s-CO-180s-CO |
|
10 |
Rated short-circuit breaking current breaking number |
times |
30 |
|
11 |
Closing time |
ms |
35-70 |
|
12 |
Opening time |
Times |
20-50 |
|
13 |
Mechanical life |
V |
10000 |
|
14 |
Rated Storage and operation voltage |
mm |
AC DC 220/110 |
|
15 |
Contact distance |
mm |
10± 1 |
|
16 |
Contact Over travel |
mm |
3.5± 1 |
|
17 |
average Closing speed |
m/s |
0.7-1.0 |
|
18 |
average opening speed |
m/s |
1.1-1.5 |
|
19 |
Contact closing spring time |
ms |
≤ 2 |
|
20 |
Three phase closing opening asynchrony |
ms |
≤ 2 |
GHORIT Electric Equipment Co. Ltd. Zhejiang established in 2000, is a large-scale high and new-tech enterprise specialized in researching, developing, producing, marketing and servicing. The leading products include vacuum circuit breaker, High voltage and Medium Frequency Capacitor, high voltage load disconnecting switches and other high & low voltage electrical component. The enterprise has Shanghai and Zhejiang two production base, take up 26000 square meter, and more than 200 staff, fixed assets 60 million, annul sales turnover up to 1 billion.
Ghorit has passed the ISO9001 Quality Management System Certification, CCC and European Economic Community product Safe Qualified Symbol CE. The enterprise own advance production line and test line for circuit breaker and other various advance production and test facilities about 60 sets, make sure all technical data keep on database from begin produce to leaving-factory. Establish advance ERP network management system and computer-aided design system. With rich technical research and development strength, advanced production check-out facility, exquisite production workmanship, we win confidence by our customer. Ghorit is award star enterprise, advance enterprise, the top 100 enterprise of tax and etc.
On the concept of "professional, innovation", the enterprise has a united, high specialized quality, skilled and management team. The enterprise purpose is " our work standard and pursuit is meet the customers demand and expectation" with first-class management, first-class technology, first-class facilities, first-class staff, which assure Ghorit become you best cooperation partner.
