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:
12kv vacuum circuit breaker for indoor
1.Rated voltage 12KV
2.Rated current 631/1251/1611A
3.short-circuit breaking current
Technical data:
No.
Item
Unit
Value
1
Rated voltage
KV
12
2
Rated lighting impulse withstand voltage
KV
Inter phase or to ground 75, fructure 81
3
Rated short-time power frequency withstand voltage
KV
Inter phase or to ground 42, fructure 48
4
Rated short-circuit breaking current
KA
21,25
31.5
41
5
Rated current
A
631/1251/1611 /2111/2511/3151
6
Rated thermo stability current(valid)
KA
25
31.5
41
7
Rated dynamic stability current(peak)
KA
63
81
111
8
Rated short-circuit making current(peak)
KA
63
81
111
9
Rated operations of short-circuit breaking current
Times
51(41kA is 31)
11
Rated working current of over current and tripping coil
A
5
11
Rated operating sequence
1-1.3s-CO-181s -CO
12
Rated current of auxiliarate switch
A
AC11,DC5
13
Rated voltage of energy saving release
V
AC.DC221 AC.DC111
14
Closing time
Times
≤75
15
Opening time
≤61(41)
16
Power of energy saving motor
W
275
17
Energy saving time
S
≤15
18
Mechanical life
Times
21111
REQUEST MORE DETAILS
Please fill out the form below and click the button to request more information about