| Type: | Vacuum |
|---|---|
| Model Number: | ZN96-12 |
| Brand Name: | Tengen |
| Place of Origin: | China (Mainland) |
| Product name: | Draw-out Type Conventional Vacuum Circuit Breaker |
| Pole: | 3 Pole |
| AC/DC: | AC |
| Rated voltage: | 12KV |
| Frequency: | 50/60Hz |
| Phase: | 3 Phase |
| Type: | Draw out tye Vacuum circuit breaker |
| Rated current: | 630A |
| Ambient temperature: | +40 degree---- -15 degree |
Quick Details
Specifications
Draw-out Type Conventional Vacuum Circuit Breaker
Application
ZN96-12 high voltage AC Draw-out Type Conventional Vacuum Circuit Breaker is indoor switching device of 3-phase Ac, 50Hz, with rated voltage of 12kv.It is used in power plant, substation, industrial and mineral enterprises for controlling and protecting electric equipment. ZN96-12 can be operated frequently. ZN96-12 high voltage AC Draw-out Type Conventional Vacuum Circuit Breaker can be equipped into cabinet of KYN96-12 and other Centrally Installed Switchgear, and it also can be equipped into fixed cabinet or gas insulated cabinet.
Normal use conditions:
Ambient temperature: +40℃, -15℃
Daily average relative humidity no more than 95%, Daily average saturated vapor pressure no more than 2.2kPa.
Monthly average relative humidity no more than 90%, monthly average saturated vapor pressure no more than 1.8kPa.
Altitude: no exceeding 2000m
Ambient air environment: no corrosive or flammable gas
No regular intense vibration and severe pollution.
Main technical data:
1. Technical data of breaker:
|
Item |
Unit |
Value |
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|
Rated voltage |
kv |
12 |
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|
Rated insulation level |
Rated power frequency withstand voltage(1min) |
42 |
|||||
|
Rated lighting impulse withstand voltage(peak value |
75 |
||||||
|
Rated frequency |
Hz |
50 |
|||||
|
Rated current |
A |
630 1250 |
630 1250 |
630 |
1250 |
1250 |
|
|
1250 |
1600 |
1600 |
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|
1600 |
2000 |
2000 |
|||||
|
2000 |
2500 |
2500 |
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|
2500 |
3150 |
3150 |
|||||
|
3150 |
4000 |
4000 |
|||||
|
Rated short circuit breaking current |
KA |
20 |
25 |
31.5 |
40 |
50 |
|
|
Rated instantaneous withstand current |
KA |
20 |
25 |
31.5 |
40 |
50 |
|
|
Rated peak value withstand current |
50 |
63 |
80 |
100 |
125 |
||
|
Rated short circuit closing current(peak value |
50 |
63 |
80 |
100 |
125 |
||
|
Rated out-phase short circuit breaking current |
17.4 |
21.8 |
27.4 |
37.8 |
43.5 |
||
|
Rated single/back to back capacitor group breaking current |
A |
630/400 |
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|
Duration of rated short circuit current |
S |
4 |
|||||
|
Breaking times of rated short circuit current |
times |
50(50ka is 30 times) |
|||||
|
Rated operation sequence |
|
Auto-reclosing:O-0.3s-CO-180s-CO |
|||||
|
|
Non auto-reclosing:O-180s-CO-180s-CO |
||||||
|
Mechanical life |
times |
30000/20000 |
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