FOB Price
Obtener el precio más reciente1 ~ 2000 / Set ( Negotiable )
|Minimum Order
Place of Origin:
-
Price for Minimum Order:
Minimum Order Quantity:
1 Set
Packaging Detail:
wooden case
Delivery Time:
within 10 days after receive deposit
Supplying Ability:
1000 Set per Month
Payment Type:
T/T, L/C, Western Union, Money Gram
Persona de contacto Ms. crystal
No.111 , Xinguang Road, Xinguang Industrial Zone, Liushi, Wenzhou, Zhejiang
GVS***2 Series High Voltage Vacuum Circuit Breaker for Mine
GVS***2 series high voltage vacuum circuit breaker for mine, 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 *0Hz, rated voltage *2 (7.2) kV of mine explosion-proof device, available for coal mine explosion-proof electrical feeds, and general occasions of mine electrical control and protection purpose. Circuit breakers can be installed as handcart-type or fixed structure to meet the needs of different installation sites.
Â
The Use of Environmental Conditions
Â
Mainly Technical Parameters
|
NO. |
Item |
Units |
Value |
|
1 |
Rated voltage |
kV |
*2(7.2)* |
|
2 |
Rated frequency |
Hz |
*0 |
|
3 |
Rated lightning impulse voltage tolerance (peak) |
kV |
*2(*2)* |
|
4 |
Rated short-time power-frequency voltage tolerance (1min) |
kV |
*5(*0)* |
|
5 |
Rated current |
A |
**5,**0,**0,**0 |
|
6 |
Rated short-circuit breaking current |
kA |
2.5,*6,*0,*5 |
|
7 |
Rated short-circuit closing current (peak) |
kA |
*1.5,*0,*0,*3 |
|
8 |
Rated short-circuit duration time |
S |
4 |
|
9 |
Rated operating sequence |
 |
O*0.3s-CO***0s-CO |
|
*0 |
Rated short-circuit breaking current breaking number |
Times |
*0 |
|
*1 |
Closing time |
ms |
*5~*0 |
|
*2 |
Opening time |
ms |
*0~*0 |
|
*3 |
Mechanical life |
Times |
****0 |
|
*4 |
Rated storage and operation voltage |
V |
AC**0/**0DC**0/**0 |
|
*5 |
Contact distance |
mm |
*0±1 |
|
*6 |
Contact over travel |
mm |
3.5±1 |
|
*7 |
Average closing speed |
m/s |
0.7~1.0 |
|
*8 |
Average opening speed |
m/s |
1.1~1.5 |
|
*9 |
Contact closing spring time |
ms |
≤2 |
|
*0 |
Three phase closing opening asynchrony |
ms |
≤2 |
