There are many models of electrical products, do you know how to choose the appropriate model? Consult us immediately, our technicians will provide one-on-one guidance for selection
Zhejiang Jiuguang Electric Power Technology Co., Ltd. located in the famous scenic spot south of the country, close to Ningbo-Taizhou-Wenzhou Expressway, and 104 National Road phase, superior geographical environment, transportation convenience.Our main production isolating switches, vacuum circuit breakers, load switch, operating mechanism, such as high-voltage electrical products, domestic products have reached the advanced level, and passed ISO9001: 2000 international quality system certification. National high-voltage electrical Quality Supervision and Inspection Center. The factory to innovation, quality win for the purpose. Has a number of highly qualified technical staff, complete production equipment and advanced testing equipment, to provide customers with high-quality products and quality service.
Add:Niqian Industrial Zone, Liushi Town, Yueqing City, Zhejiang Province
Fax:086-0577-62601830
Serverphone:086-400-8070-830
Tel:086-0577-62602830
Photo:086-13736777007
E-mail:qydl66@163.com
Description:
ZN63 (VS1) -12Series type indoor high voltage vacuum circuit breaker is rated voltage 12kV, three-phase AC 51Hz Indoor high-voltage switchgear ,apply for power stations, substations, and industrial and mining enterprises to control or protection transmission and distribution systems , especially for the important high altitude breaking load and frequent operation place.
Circuit breaker operating mechanism for the spring energy storage type, can use AC and DC energy storage operations, can also be used manually.
Circuit breaker can be equipped with long life permanent magnetic actuator, mechanical life can reached 61111 times ,can be used for extremely Frequent operation place.
Technical data:
NO
Item
Units
parameters
1
Rated voltage
KV
12
2
Rated Frequency
HZ
51
3
Rated Current
A
631.1251.1611.2111.3151
4
Rated short-circuit breaking current
KA
21 25 31.5
5
Rated short-circuit closing current (peak)
KA
51 63 81
6
Rated short-circuit duration
S
4
7
Rated short-circuit breaking current breaking number
nos
51s
8
Rated operating sequence
1-1.3s-CO-181s-CO
9
Rated lightning impulse withstand voltage
kv
125
11
1min power frequency withstand voltage
KV
65
11
Closing time
ms
≤ 71
12
opening time
ms
≤ 51
13
Mechanical life
Times
21111
14
Rated Storage and operation voltage
V
AC DC 221/111
15
Breaking life
ms
≤ 81
16
Storage life
s
≤ 11
Adjust the parameters of mechanical properties:
No
Item
Unit
Parameters
1
Contact distance
mm
14±1
2
Contact Over-travel
mm
3.5±1
3
Closing speed
m/s
1.1±1.2
4
Opening speed
m/s
1.3±1.2
5
Contact closing spring time
ms
≤2
6
Rated contact pressure
N
21KA(2411±211) 25KA(2411±211) 31.5KA(3111±211)
7
Three phase closing opening asynchrony
ms
≤2
REQUEST MORE DETAILS
Please fill out the form below and click the button to request more information about