In order to give you convenience and enlarge our business, we also have inspectors in QC Team and assure you our best service and product for Factory Cheap China Rockwill Brand 12/24kv-1250A-31.5ka Vd4 Disyuntor for Switchgear, By our hard get the job done, we’ve constantly been around the forefront of clean technology merchandise innovation. We are a green partner you can rely on. Call us today for more data!
In order to give you convenience and enlarge our business, we also have inspectors in QC Team and assure you our best service and product for China Vacuum Circuit Breaker, Circuit Breaker, Now we have a excellent team supplying experienced service, prompt reply, timely delivery, excellent quality and best price to our customers. Satisfaction and good credit to every customer is our priority. We’re sincerely looking forward to cooperate with customers all over the world. We believe we can satisfy with you. We also warmly welcome customers to visit our company and purchase our solutions.
ZN63(VS1)-12 indoor high voltage side_mounted vacuum circuit breaker is suitable for power system with 50hz
General
ZN63(VSl)-12 indoor high voltage handcart vacuum circuit breaker is applied to 12KV, three-phase, AC50Hz.It can provide control and protection for industrial and mining enterprises, power plants and substations, electrical facilities, and is suitable for frequent operation.The operating mechanism is integrated wih the circuit breaker, and the design can be used as a fixed installation unit. It can also be a special propulsion mechanism to form a handcart unit. The main loop adopts the integral solid pole to realize the miniaturization, high reliability and free-maintenance of the circuit breaker.It can be used in KYN28A-12(GZS) and other center-mounted handcart switchgears.The fixed type could also be used in the XGN series fixed switchgear.
Technical specification
NO. |
Item |
Unit |
Data |
|||
1 |
Rated voltage |
KV |
12 |
|||
2 |
Rated frequency |
Hz |
50 |
|||
3 |
Rated lightning impulse withstand voltage (peak) |
KV |
75 |
|||
4 |
Rated short-lime power frequency voltage (1 min) |
KV |
42 |
|||
5 |
Rated current |
A |
630、1250 |
630、1250 |
1250 、1600、 2000、2500 |
1600、2000 2500、3150 4000、5000 |
6 |
Rated short circuit breaking current |
KA |
20 |
25 |
31.5 |
40 |
7 |
Rated short circuit making current (peak) |
KA |
50 |
63 |
80 |
100 |
8 |
Rated short circuit duration |
S |
4 |
|||
9 |
Rated operating sequence |
O-0.3S-CO-180S-CO 0-I80s-C0-I80s-C0 (40KA) |
||||
10 |
Rated single / bock Io back capacitor bank breaking current |
A |
630/400 |
|||
11 |
Rated short circuit current breaking time |
Times |
30 |
|||
12 |
Opening lime |
ms |
35-70 |
|||
13 |
Closing lime |
ms |
20-50 |
|||
14 |
Mechanical life |
Times |
10000 |
|||
15 |
Rated energy storage and operating voltage |
V |
AC220/11ODC220/110 |
|||
16 |
Contact stroke |
mm |
11 ±1 |
|||
17 |
Contact overtravel |
mm |
3.5 ±0.5 |
|||
18 |
Average closing speed |
m/s |
0.5-0.8 |
|||
19 |
Average opening speed |
m/s |
0.9-1.2 |
|||
20 |
Contact closing bounce time |
ms |
≤2 |
|||
21 |
Three-phase opening.dosing asynchronous |
ms |
≤2 |
|||
22 |
The main circuit resistance |
μQ |
≤50 (630A)≤45 (1250A) ≤35 (1600-2000A) ≤25 (more than 2500) |
Outline overall and installing dimensions
In order to give you convenience and enlarge our business, we also have inspectors in QC Team and assure you our best service and product for Factory Cheap China Rockwill Brand 12/24kv-1250A-31.5ka Vd4 Disyuntor for Switchgear, By our hard get the job done, we’ve constantly been around the forefront of clean technology merchandise innovation. We are a green partner you can rely on. Call us today for more data!
Factory Cheap China Vacuum Circuit Breaker, Circuit Breaker, Now we have a excellent team supplying experienced service, prompt reply, timely delivery, excellent quality and best price to our customers. Satisfaction and good credit to every customer is our priority. We’re sincerely looking forward to cooperate with customers all over the world. We believe we can satisfy with you. We also warmly welcome customers to visit our company and purchase our solutions.